HS5B Series
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Door Interlock Switches
HS5B Series Miniature Interlock Switch
HS5B features:
30mm x 30mm x 91mm Compact Housing
Available with 2 Contact Confi gurations (1NO + 1NC or 2NC)
Flexible Installation: By turning the head of the switch to the desired angle, the actua-
tor can be accessed from 8 directions
Plastic Housing: Light weight
Direct Opening Action: Opening the door forces the contacts to disconnect even if the
contacts are welded (IEC60947-5-1)
Degree of Protection: IP67 (IEC60529)
GS-ET-15
BG standard in Germany
Direct Opening
Action
Double
Installation
Part Numbers
Contact Confi guration
Conduit
Port
Size
Part Number
(Standard Stock in bold)
Plastic Head Type Metal Head Type
1NC-1NO
21
4
Zb
3
G1/2 HS5B-11B HS5B-11ZB
PG13.5 HS5B-11NP
M20 HS5B-11BM HS5B-11ZBM
2NC
21
3
Zb
4
G1/2 HS5B-02B HS5B-02ZB
PG13.5 HS5B-02NP
M20 HS5B-02BM HS5B-02ZBM
The actuators are not included, must be ordered separately.
Part Number Key
HS5B - 11 Z BM
Head Housing Color/
Conduit Port
B: Black / G1/2
BM: Black /M20
NP: Gray PG13.5
Head Material
blank: Plastic
Z: Metal
Circuit Code
11: 1NO-1NC
02: 2NC
Actuator Keys
Appearance Description Part Number
(Package Qty 1)
Straight HS9Z-A51
Straight w/rubber
bushings HS9Z-A51A
Right-angle HS9Z-A52
Right-angle w/rubber
bushings HS9Z-A52A
Angle Adjustable
(for hinged doors) HS9Z-A55
Parts Description
M3.5 Terminal
Screws
Right-angle Actuator
Angle Adjustable
Actuator
(for hinged doors)
Straight Actuator
w/rubber bushing
Conduit Port
(Use conduits or cable glands
which can maintain IP67
protection.)
Right-angle Actuator
Actuator w/rubber bushing
Straight Actuator
HS5B Series
Door Interlock Switches
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Accessories
Appearance Description Part Number Weight
HS5B/HS5E Plug Actuator
(allows switch to be used as
interlock plug unit)
HS9Z-A5P 35g
HS5B/HS5E Padlock Hasp
(prevents unauthorized
insertion of actuator)
HS9Z-PH5 35g
Contact Confi guration & Operation Chart
Model Contact Confi guration Contact Operation Chart Contact Status
HS5B-11
1NC-1NO
21
4
Zb
33–4
1–2
Actuator
inserted
completely
Actuator
removed
completely
ON (closed)
OFF (open)
HS5B-02
2NC
21
3
Zb
43–4
1–2
Specifi cations
Conforming to Standards EN1088, IEC60947-5-1, EN60947-5-1, GS-ET-15, UL508
Operating Temperature –20 to +70˚C (no freezing)
Storage Temperature –40 to +80˚C
Operating Humidity 85% RH maximum (no condensation)
Altitude 2,000m maximum
Rated Insulation Voltage (Ui) 300V
Impulse Withstand Voltage (Uimp) 4 kV
Insulation Resistance 100MΩ minimum (500V DC megger)
Electric Shock Protection Class Class II (IEC61140)
Pollution Degree 3 (IEC60664-1)
Degree of Protection IP67 (IEC60529)
Vibration
Resistance
Operating Extremes 10 to 55 Hz, amplitude 0.5 mm
Damage Limits 60 m/sec2 (approx. 6G)
Shock Resistance 1,000 m/sec2 (approx. 100G)
Actuator Operating Speed 1 m/sec maximum
Positive Opening Travel 8 mm minimum
Positive Opening Force 60N minimum
Thermal Current (Ith) 10A
Rated Operating Current (Ie)
Operating Voltage (Ue) 30V 125V 250V
AC Resistive load (AC12)
Inductive load (AC15)
10A
10A
10A
5A
6A
3A
DC Resistive load (DC12)
Inductive load (DC13)
8A
4A
2.2A
1.1A
1.1A
0.6A
Operating Frequency 900 operations/hour
Mechanical Life 1,000,000 operations
Electrical Life 100,000 operations (rated load)
Conditional Short-circuit Current 100A (IEC60947-5-1)
Recommended Short
Circuit Protection 250V, 10A fuse (Type D01 based on IEC60269-1, 60269-2)
Weight Approx. 80g
HS5B Series
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Door Interlock Switches
Application Examples and Circuit Diagrams
HS5B-11 (1NO-1NC)
Status 1 Status 2
Door/
Switch
Status
Door Closed
Machine ready to operate
Door opened
Machine cannot be started
Door
Circuit
Diagram
2
1
3
4
Main Circuit Auxiliary Circuit
-
+
2
1
3
4
Main Circuit Auxiliary Circuit
-
+
Main
Circuit 3-4: Closed 3-4: Open
Aux.
Circuit 1-2: Open 1-2: Closed
1. Main Circuit: used to enable the machine to start only when the main circuit is closed.
2. Auxiliary Circuit: used to indicate whether the machine circuit or door is open or closed.
HS5B-02 (2NC)
Status 1 Status 2
Door/
Switch
Status
Door Closed
Machine ready to operate
Door opened
Machine cannot be started
Door
Circuit
Diagram
2
1
3
4
Main Circuit Auxiliary Circuit
-
+
2
1
3
4
Main Circuit Auxiliary Circuit
-
+
Main
Circuit 3-4: Closed 3-4: Open
Aux.
Circuit 1-2: Closed 1-2: Open
Dimensions (mm)
Plastic Head - using the straight actuator (HS9Z-A51)
Conduit Port Conduit Port
Actuator Actuator
Actuator Stop
Actuator Stop
RP RP
Plastic Head (black or gray) Plastic Head (black or gray)
Slot Plug (supplied)
(Note)
1 20 1
30
36.2
91
20
28
6.2
26.4
R2.2
5.2 6.2
36 26.4
20
28
6±1
1 20 1
30
36.2
91
42.2
5.2
R2.2
6±1
15
24
30
15
24
30
2-M4 Screws
Mounting Hole Layout
20 to 22
RP: Actuator Mounting Reference Position
Plug the unused actuator insertion slot using the slot plug supplied with the interlock switch.
HS5B Series
Door Interlock Switches
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Dimensions (mm), continued
Plastic Head – using the Right-angle actuator (HS9Z-A52)
Actuator Cover
Actuator
Actuator Cover
Actuator
Actuator Stop
Actuator Stop
Conduit Port Conduit Port
RP RP
Plastic Head (black or gray) Plastic Head (black or gray)
Slot Plug (supplied)
(Note)
R2.2
7.6±1
201
27.7
91
36.2
30
1
30
41.5 35.3
20
30
24
30
15
1 20 1
30
36.2
91
24
15
30
27.7
R2.2
20
7.6±1
2-M4 Screws
Mounting Hole Layout
20 to 22
Note: Plug the unused actuator entry slot using the slot plug supplied with the interlock switch.
Metal Head - using the straight actuator (HS9Z-A51A)
2-M4 Screws
Mounting Hole Layout
Actuator Actuator
Actuator Stop
Actuator Stop
RP RP
Plastic (gray)Plastic (gray)
Slot Plug (supplied)
(Note)
Metal Head Metal Head
Conduit Port Conduit Port
1 20 1
30
36.2
91
20
28
6.2
26.4
R2.2
5.2 6.2
36 26.4
20
28
6±1
1 20 1
30
36.2
91
42.2
5.2
R2.2
6±1
15
24
30
15
24
30
20 to 22
RP: Actuator Mounting Reference Position
Metal Head – using the Right-angle actuator (HS9Z-A52A)
Actuator Cover
Actuator
Actuator Cover
Actuator
Actuator Stop
Actuator Stop
RP RP
Plastic (gray) Plastic (gray)
Slot Plug (supplied)
(Note)
Metal Head Metal Head
Conduit Port Conduit Port
R2.2
7.6±1
201
27.7
91
36.2
30
1
30
41.5 35.3
20
30
24
30
15
1 20 1
30
36.2
91
24
15
30
27.7
R2.2
20
7.6±1
2-M4 Screws
Mounting Hole Layout
20 to 22
Note: Plug the unused actuator insertion slot using the slot plug supplied with the interlock switch.
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Door Interlock Switches
Actuator Key Dimensions (mm)
Straight Actuator - HS9Z-A51
(mainly for sliding doors)
Right-angle Actuator - HS9Z-A52
(mainly for hinged doors)
Adjustable Actuator - HS9Z-A55
6.2 32.4
4-R 2.2
15
26
28
20
0.8
5.2
(6)
6.4
Actuator Stop (Note)
10
2
Actuator Mounting Hole Layout
2-M4 Screw 20
(Straight, Right-angle)
Actuator Stop (Note)
30
2
2-ø4.4
1.6
28
0.84.5
15
20
33
2 7.27.2
Angle Adjustment
(M3 Hexagon Socket Head Screw)
Angle Adjustment
(M3 Hexagon Socket Head Screw)
3
Actuator Stop
(Note)
Actuator Stop
(Note)
0.8
2
20°
38
2-M4 Screw
Actuator Mounting Hole Layout
(horizontal/vertical swing)
7
18.5 29
Orienting
Insert
Vertical Swing
Horizontal Swing
Orienting
Insert
49
15
20°
3.6
1
(M4 Holes)
R2.1
23
26
38
Actuator Orientation (Angle Adjustable)
The angle of actuator swing can be changed using the orient-
ing insert (white plastic) installed on the back of the actuator.
Do not lose the orienting insert, otherwise the actuator will
not operate properly.
The actuator stop is supplied with the actuator and used
when adjusting the actuator position. Remove the actua-
tor stop after the actuator position is determined.
Straight Actuator with rubber bushings
- HS9Z-A51A (mainly for sliding doors)
Right-angle Actuator with rubber bushings
- HS9Z-A52A (mainly for hinged doors)
43.8
2
2-ø10
30
7.3
15.3
15
2-ø4.3
12
(20)
0.8
Washer (supplied with the actuator)
0.8
2-ø9
(5)
Rubber Cushion
Actuator Stop (Note)
Actuator Stop (Note)
30
15.8
2
0.8
(11.2)
2-ø10
2-ø4.3
8.5
(5)
2-ø9
(20)
12
Rubber
Cushion
Washer (supplied
with the actuator)
15
0.8
(39.7)
The mounting center distance is set to 12 mm at factory. When 20-mm distance is required, adjust the
distance by moving the rubber bushings.
The actuator has fl exibility to the directions indicated by the arrows. When 20-mm distance is selected, the
actuator swings vertically.
Actuator Mounting Hole Layout
(straight with rubber bushing, right-angle with rubber bushing)
12
2-M4 Screw
Mounting centers can be widened to
20 mm by moving the rubber cushions.
Accessory Dimensions (mm)
HS9Z-A5P
(36.2)
R46
15.5
(30)
(30)
61.5
30.5
10.5
6.5
10 36
4346
22
40
(91)
HS5B Interlock
Switch
Spacer: Steel
Rivet: Stainless Steel
Washer: Steel
Handle: Aluminum
Thickness: 2
Actuator:
Stainless Steel
Thickness: 2.5
Area
Area
Coating: Orange
HS9Z-PH5
2
(36.2)
32
(91)
(30)
15.5
48
(30)
2-ø8
8
2-R4
16.5
28
65
7.57.5
ø4
27.5
38.5
24
9
HS5B Interlock Switch
Rivet:
Stainless Steel Material: SPCC
Thickness: 2.0
Material: SPCC
Thickness: 1.6
HS5B Series
Door Interlock Switches
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Mounting Examples
Mount the interlock switch as shown in the examples below.
Mounting on Sliding Doors
Actuator
HS9Z-A51
Door Stop
Door
Interlock Switch
HS5B
Mounting on Hinged Doors
HS5B
Interlock Switch
HS9Z-A51
Actuator
Latch
Hinged
Door
HS9Z-A52
Actuator
Mounting the HS5B Head
The metal head for the HS5E interlock switch cannot be used on the HS5B. Be
sure to use the plastic head or metal head for the HS5B. Take care particularly
when using both HS5B and HS5E together.
(black)
Plastic
(black or gray)
Metal HeadMetal HeadPlastic Head
Metal
(gray)
HS5B HS5E
Rotating the Head
The head of the HS5B can be rotated by removing the four screws from the
corners of the HS5B head and reinstalling the head in the desired orientation.
When reinstalling the head, make sure that no foreign object enters the interlock
switch. Tighten the screws. If the screws are loose it may cause the switch to
malfunction.
Recommended screw tightening torque: 1.0 ±0.1 N·m
Alternative Head OrientationsFactory Setting
Applicable Crimping Terminal
When using crimping terminals, be sure to install insulation tubes on the crimp-
ing terminals to prevent electric shocks.
Insulation Tube
Wire Crimping Terminal
Approx. 4
ø3.6 min.
3.5 max.
3.6 min.
6.9 max.
Applicable Wire Size
0.5 to 1.25 mm2 (AWG20 to AWG16)
Recommended Tightening Torque of Mounting Screws
Interlock Switch: 2.0 ± 0.2 N·m (two M4 screws) *
Actuator Keys
-HS9Z-A51: 2.0 ± 0.2 N·m (two M4 screws) *
-HS9Z-A52: 1.0 ± 0.2 N·m (two M4 Phillips screws)
-HS9Z-A51A/A52A: 1.0 to 1.5 N·m (two M4 screws) *
-HS9Z-A55: 1.0 to 1.5 N·m (two M4 screws) *
*The above recommended tightening torques of the mounting screws are the
values confi rmed with hex socket head bolts. When other screws are used and
tightened to a smaller torque, make sure that the screws do not come loose
after mounting.
Mounting bolts must be provided by user.
To avoid unauthorized or unintended removal of the interlock switch and the
actuator, it is recommended that the interlock switch and the actuator be
installed in an unremovable manner, for example using special screws or
welding the screws.
When installing HS9Z-A51A or HS9Z-A52A actuator keys, use the washer
(supplied with the actuator) on the hinged door, and mount tightly using two
M4 screws.
Mounting Centers
12 mm (factory setting), adjustable to 20 mm
M4 Tapped Hole
Hinged Door
Note: Choose mounting centers either 12 mm or 20 mm.
M4 Screw
Rubber Bushing
Washer
Conduit Port Size Identifi cation
Conduit port size is identifi ed by the arrow on the back of the HS5B interlock
switch. The following example shows the identifi cation of the M20 conduit port
size.
Arrow
M4 x 2
22
20
G
PG
M20
Marking Conduit Port Size
G G1/2
PG PG13.5
M20 M20
HS5B Series
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Door Interlock Switches
Actuator Angle Adjustment
Using the screw (M3 hex socket head screw), the actuator angle can be
adjusted (refer to the dimensional drawing). Adjustable angle: (0˚) to 20˚
The larger the adjusted angle of the actuator, the smaller the applicable
radius of the door opening.
After installing the actuator, open the door. Then adjust the actuator so that
its edge can be inserted properly into the entry slot of the safety switch.
Recommended tightening torque: 0.8 N-m (approx. 8.0 kgf-cm)
After adjusting the actuator angle, apply loctite or the like to the adjustment
screw to prevent it from loosening.
Minimum Radius of Hinged Door
When using the interlock switch on hinged doors, refer to the minimum radius
of doors shown below. When using on doors with small minimum radius, use
the angle adjustable actuator (HS9Z-A55).
Note: Because deviation or dislocation of hinged doors may occur in actual applications, make sure
of the correct operation before installation.
When using the HS9Z-A52 Actuator
When the door hinge is on the extension line of the interlock switch surface:
Minimum Radius
Minimum Radius
170 mm
190 mm
Door Hinge
Door Hinge
When door hinge is on the extension line of the actuator mounting surface:
Minimum Radius
Minimum Radius
230 mm
260 mm
Door Hinge
Door Hinge
When using the HS9Z-A55 Angle Adjustable Actuator
When door hinge is on the extension line of the interlock switch surface:
50 mm
When door hinge is on the extension line of the actuator mounting surface:
70 mm
Minimum Radius
Minimum Radius
Minimum Radius
Minimum Radius
50 mm
70 mm
70 mm
50 mm
Door Hinge
Door Hinge
Door Hinge
Door Hinge
Vertical Swing
Horizontal Swing
Actuator Angle Adjustment for the HS9Z-A55
Using the angle adjustment screw, the actuator angle can be adjusted (see
gures on page 354). Adjustable angle: 0 to 20°
The larger the adjusted angle of the actuator, the smaller the applicable
radius of the door opening.
After installing the actuator, open the door. Then adjust the actuator so that
its edge can be inserted properly into the actuator entry slot of the interlock
switch.
After adjusting the actuator angle, apply Loctite to the adjustment screw so
that the screw will not loosen.
Applicable Cable Glands
Use a cable gland with a degree of protection IP67
G1/2, PG13.5, M20
9 max.
30 max.
all dimensions in mm
When Using Flexible Conduits (Example)
Flexible conduit example: VF-03 (Nihon Flex)
Conduit Port Size Plastic Cable Gland Metal Cable Gland
G1/2 RLC-103 (Nihon Flex)
PG13.5 RBC-103PG13.5 (Nihon Flex)
M20 RLC-103EC20 (Nihon Flex)
When Using Multi-core Cables (Example)
Conduit Port Size Plastic Cable Gland Metal Cable Gland
G1/2 SCS-10*
(Seiwa Electric)
ALS-16**
(Nihon Flex)
PG13.5 ST13.5
(K-MECS)
ABS-**PG13.5
(Nihon Flex)
M20 ST-M20X1.5
(K-MECS)
ALS-**EC20
(Nihon Flex)
Different cable glands are used depending on the cable sheath outside diameter. When
purchasing a cable gland, confi rm that the cable gland is applicable to the cable sheath
outside diameter.
When using a 1/2-14NPT cable gland, use the HS5B interlock switch with M20 conduit
port (Part No.: HS5B-***BM) together with an adapter (Part No.: MA-M/NPT 20X1.5
5402-0110, K-MECS) and a gasket (Part No.: GP M20, K-MECS). Install a gasket between
the interlock switch and the adapter. Apply sealing tape between the cable gland and
the adapter to make sure of IP67 protection for the enclosure.
Precautions
Door Interlock Switches
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Safety Precautions
In order to avoid electric shock or a fi re, turn the power off before installation,
removal, wire connection, maintenance, or inspection of the switch.
If relays are used in the circuit between the safety switch and the load,
consider degrees of the danger and use safety relays, since welded or sticking
contacts of standard relays may invalidate the functions of the safety switch.
Do not place a PLC in the circuit between the safety switch and the load. The
safety security can be endangered in the event of a malfunction of the PLC.
Do not disassemble or modify the switch. It may cause a breakdown or an
accident.
Operation Precautions - for all series
Regardless of door types, do not use the safety switch as a door stop. Install
a mechanical door stop at the end of the door to protect the safety switch
against excessive force.
Do not apply excessive shock to the switch when opening or closing the door.
A shock to the door exceeding 1,000 m/sec2 (approx. 100G) may cause the
contacts of the switch to chatter, and a malfunction of the switch may occur.
For connection of wires, unscrew the cover. Unnecessary loosening of other
screws may cause a malfunction of the switch.
Prevent foreign objects such as dust and liquids from entering the switch
while connecting conduit or wiring.
If the operating atmosphere is contaminated, use a protective cover to
prevent the entry of foreign objects into the switch through the actuator entry
slots.
Entry of a considerable amount of foreign objects into the switch may affect
the mechanism of the switch and cause a breakdown.
Do not store the switches in a dusty, humid, or organic-gas atmosphere.
HS5E/HS5B Precautions
For Rotating Head Directions
The heads of the HS5E/HS5B can be rotated in 90° increments after removing
the 4 screws on the corners of the head. Prevent entry of foreign objects into
the switch during removal of the head. Tighten these screws with torque
designated in the instruction sheet. Improper torque may cause errors.
Head can be rotated.Factory Setting
Minimum Radius of Hinged Doors
When using the interlock switch on hinged doors, refer to the minimum radius
of doors shown below. When using on doors with small minimum radius, use
the angle adjustable actuator (HS9Z-A55).
Note: Because deviation or dislocation of hinged doors may occur in actual
applications, make sure of the correct operation before installation.
When using the HS9Z-A52 Actuator
When the door hinge is on the extension line of the interlock switch surface:
Minimum Radius
Minimum Radius
170 mm
190 mm
Door Hinge
Door Hinge
When door hinge is on the extension line of the actuator mounting surface:
Minimum Radius
Minimum Radius
230 mm
260 mm
Door Hinge
Door Hinge
HS2B Precautions
Wire Connection
The HS2B has 3 conduit ports, which are closed as a part of the molded
switch housing.
Make an opening for wire connection by breaking one of the conduit-port
knockouts on the switch housing using a screwdriver.
When breaking the conduit port, take care not to damage the contact block or
other parts inside the switch.
Cracks or burrs on the conduit entry may deteriorate the housing protection
against water.
When changing to another conduit port, close the unused opening with an
optional plug (Part No. HS9Z-P1).
Precautions
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Door Interlock Switches
HS1E Precautions
Wire Connection
Make an opening for wire connection by breaking one of the conduit-port
knockouts on the switch housing using a screwdriver.
Before breaking the knockout, temporarily remove the connector-fi xing lock
nut from the switch.
When breaking the knockout, take care not to damage the contact block or
other parts inside the switch.
Cracks or burrs on the conduit entry may deteriorate the housing protection.
When changing to the other conduit port, close the unused opening with an
optional plug (accessory).
Plug
Type No. HS9Z-P1
Manual Unlocking
Remove the screw located on the unlocking entry at the side of the switch us-
ing the key wrench included with the switch. Then insert a small screwdriver
into the switch to push the lever inside of the switch toward the indicator
until the actuator is unlocked (refer to the diagram on the right).
Insert a small screwdriver into the elliptical hole on the back of the switch,
then push the lever inside of the switch toward the indicator until the actuator
is unlocked (refer to the diagram on the right).
1. This unlocking method is intended for an escape from a machine when a person is
locked in. For access to the unlocking entry, an access hole should be opened on the
mounting panel. When opening the hole, apply proper protection against water or other
foreign objects.
2. Caution: After the unlocking operation, put the screw back into the unlocking entry
for safety.
Screwdriver
Unlock
Manual Unlocking Position
Unlock
Normal Position
23.5 26
89
M5
HS1C Precautions
Regardless of door type, do not use the safety switch as a locking device.
Install a locking device independently, for example, using a metal latch (also
applicable to HS1E).
The safety switch cover can be only removed with the special key wrench
supplied with the switch or with the optional screwdriver (also applicable to
HS1B and HS1E).
Remove the screw located on the unlocking entry at the side of the switch us-
ing the key wrench included with the switch. Then insert a small screwdriver
into the switch to push the lever inside of the switch toward the indicator
until the actuator is unlocked (refer to the diagram on the right).
Caution: After the unlocking operation, put the screw back into the unlocking
entry for safety.
Screwdriver
Precautions
Door Interlock Switches
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Operation Precautions
Applicable Crimping Terminals
(Refer to the Crimping Terminal 1 or 2 shown in the drawing below.)
HS1C
Terminals No. 1 to 6: Use solid or stranded wires only (crimping terminals
not applicable).
Terminals No. 7 and 8: Crimping Terminal 1
Ground Terminal: Crimping Terminal 2
HS1B
Ground Terminal: Crimping Terminal 2
Other Terminals: Crimping Terminal 1
HS2B, HS5B, and HS1E
Crimping Terminal 1
Crimping Terminal 1
6.9 max.
3.6 min. 3.5 max.
ø3.6 min.
7.6 max.
3.5 min. 3.8 max.
ø4.1 min.
Crimping Terminal 2
Use an insulation tube on the crimping terminal.
Approx. 4mm Crimping Terminal
Wire
Insulation Tube
Installation Examples (see the diagrams below)
Door Stop
HS9Z-A1 Actuator
Door
Mounting on Sliding Doors
Latch
HS9Z-A1 Actuator
HS9Z-A2 Actuator
Mounting on Hinged Doors
Applicable Connectors (As shown below)
Use connectors which maintain the IP67 protection.
Applicable Connector Dimensions
Flex Conduit: VF03 (Japan Flex) www.nipolex.co.jp
Steel Connector (G1/2): ALC-103
(PF13.5): RBC-103PG13.5
G1/2
9 mm max.
30 mm
max.
Recommended Screw Tightening Torque
HS1C: 5.0±0.5 N-m (approx. 50±5 kgf-cm)
(4 or 6 pcs of M5 hex socket head cap screws)
HS1B: 5.0±0.5 N-m (approx. 50±5 kgf-cm)
(2 or 4 pcs. of M5 hex socket head cap screws)
HS2B: 5.0±0.5 N-m (approx. 50±5 kgf-cm)
(2 pcs of M5 hex socket head cap screws)
HS5B: 4.0±0.4 N-m (approx. 40±4 kgf-cm)
(2 pcs of M4 hex socket head cap screws)
HS1E: 5.0±0.5 N-m (approx. 50±5 kgf-cm)
(4 or 6 pcs of M5 hex socket head cap screws)
Actuator (HS9Z-A1/A2)
5.0±0.5 N-m (approx. 50±5 kgf·cm)
(2 pcs. of M6 hex socket head cap screws)
Actuator (HS9Z-A51/A52)
2.0±0.2 N-m (approx. 20±2 kgf·cm)
(2 pcs of M4 hex socket head cap screws)
1.0±0.2 N-m (approx. 10±2 kgf·cm)
(2 pcs of M4 Phillips screws)
The screws are supplied by the user.
Applicable Wire Size
HS1C: 0.5 to 0.75 mm2 (Terminals No.1, 2, 5 to 8)
1.0 to 1.25 mm2 (Terminals No.3, 4, and grounding terminal)
HS5B: 0.5 to 1.25 mm2
HS1E: 0.5 to 1.25 mm2
Precautions
400 www.idec.com
OverviewX Series E-StopsDoor Interlock SwitchesEnabling SwitchesBarriersAS-Interface Safety at Work
Door Interlock Switches
Actuator Angle Adjustment
Using the screw (M3 hex socket head screw), the actuator angle can be
adjusted (refer to the dimensional drawing). Adjustable angle: (0˚) to 20˚
The larger the adjusted angle of the actuator, the smaller the applicable
radius of the door opening.
After installing the actuator, open the door. Then adjust the actuator so that
its edge can be inserted properly into the entry slot of the safety switch.
Recommended tightening torque: 0.8 N-m (approx. 8.0 kgf-cm)
After adjusting the actuator angle, apply loctite or the like to the adjustment
screw so as to prevent its loosening.
Minimum Radius of Hinged Door
When using the interlock switch on hinged doors, refer to the minimum radius
of doors shown below. When using on doors with small minimum radius, use
the angle adjustable actuator (HS9Z-A55).
Note: Because deviation or dislocation of hinged doors may occur in actual applications, make sure
of the correct operation before installation.
When using the HS9Z-A52 Actuator
When the door hinge is on the extension line of the interlock switch surface:
Minimum Radius
Minimum Radius
170 mm
190 mm
Door Hinge
Door Hinge
When door hinge is on the extension line of the actuator mounting surface:
Minimum Radius
Minimum Radius
230 mm
260 mm
Door Hinge
Door Hinge
When using the HS9Z-A55 Angle Adjustable Actuator
When door hinge is on the extension line of the interlock switch surface:
50 mm
When door hinge is on the extension line of the actuator mounting surface:
70 mm
Minimum Radius
Minimum Radius
Minimum Radius
Minimum Radius
50 mm
70 mm
70 mm
50 mm
Door Hinge
Door Hinge
Door Hinge
Door Hinge
Vertical Swing
Horizontal Swing
Actuator Angle Adjustment for the HS9Z-A55
Using the angle adjustment screw, the actuator angle can be adjusted (see
gures on page 370. Adjustable angle: 0 to 20°
The larger the adjusted angle of the actuator, the smaller the applicable
radius of the door opening.
After installing the actuator, open the door. Then adjust the actuator so that
its edge can be inserted properly into the actuator entry slot of the interlock
switch.
After adjusting the actuator angle, apply Loctite to the adjustment screw so
that the screw will not loosen.
Applicable Cable Glands
Use a cable gland with a degree of protection IP67
G1/2, PG13.5, M20
9 max.
30 max.
all dimensions in mm
When Using Flexible Conduits (Example)
Flexible conduit example: VF-03 (Nihon Flex)
Conduit Port Size Plastic Cable Gland Metal Cable Gland
G1/2 RLC-103 (Nihon Flex)
PG13.5 RBC-103PG13.5 (Nihon Flex)
M20 RLC-103EC20 (Nihon Flex)
When Using Multi-core Cables (Example)
Conduit Port Size Plastic Cable Gland Metal Cable Gland
G1/2 SCS-10*
(Seiwa Electric)
ALS-16**
(Nihon Flex)
PG13.5 ST13.5
(K-MECS)
ABS-**PG13.5
(Nihon Flex)
M20 ST-M20X1.5
(K-MECS)
ALS-**EC20
(Nihon Flex)
Different cable glands are used depending on the cable sheath outside diameter. When
purchasing a cable gland, confi rm that the cable gland is applicable to the cable sheath
outside diameter.
When using a 1/2-14NPT cable gland, use the HS5B interlock switch with M20 conduit
port (Part No.: HS5B-***BM) together with an adapter (Part No.: MA-M/NPT 20X1.5
5402-0110, K-MECS) and a gasket (Part No.: GP M20, K-MECS). Install a gasket between
the interlock switch and the adapter. Apply sealing tape between the cable gland and
the adapter to make sure of IP67 protection for the enclosure.