Switches
17
Plastic-bodied
limit switches
I88
Euronorm standard switch to
DIN EN 50047
Protection class IP 65
Hinged snap lid
lStandard actuators to DIN EN 50047
type A, B, C, E
lLarge range of actuators
lSnap action or slow make & break
contacts
lGalvanically separated contacts
lForced disconnection of NC contacts
lProtection class IP 65
lBody and lid PA 6 which is self
extinguishing
l4 x 90° actuator positions
lCable entry M 20 x 1.5
lTerminals numbered in accordance with
DIN EN 50013
lInternational approvals
Mounting
a) Adjustable – Two slots for M 4 screws
(22 mm centres)
b) Fixed – Two holes for M 5 screws for
safety applications without additional
fixings (fig. 1)
c) Additional positive location with guide
discs (fig. 2)
d) Front mounting (type dependant)
(fig. 3)
Fig. 1 Fig. 2
Fig. 3
Benefits
lHinged snap lid for quick and easy
access (screwdriver release)
lLid hinges open to 135° (can also be
easily detached)
lInternal cover protects the contacts
during mounting
lScrew terminals with self-lifting clamps
for easy wiring
lTransparent cover for easy adjustment
and inspection
Options
lContact lock (safety pull button reset)
lContact LED display (LED protected
within terminal chamber)
lCable entry M 16 x 1.5
lAdditional lid security with fixing screw
Accessory equipment page 53
Standard actuators DIN EN 50047
Type A Type B Type C Type E
Contact configuration
Contact type Switch function Switch contacts Reference Max. Voltage Max constant current
Slow make & break Changeover 1NC/1NO U1/U1Z 500 V 10 A
Snap action Changeover 1NC/1NO SU1/SU1Z 500 V 10 A
Slow make & break NC 2NC A2Z 400 V 6 A
Slow make & break NO 2NO E2 400 V 6 A
Slow make & break Changeover 1NC/1NO UV1Z 500 V 10 A
Slow make & break Changeover 2NC/1NO UV15Z 400 V 6 A
Slow make & break Changeover 1NC/2NO UV16Z 400 V 6 A
q
18
All dimensions in mm (inch)
Designation
Part number
Circuit diagram
pForced disconnect to
IEC 947-5-1 chapter 3
Za: not galvanically separated contacts
Zb: galvanically separated contacts
Slow make & break/snap-action
Internal seal (iw)/external seal (w)
1) Latch Point
Voltage max.
Permanent current max.
In-rush current complies with standards
IEC 947-5-1 AC 15/DC 13
Switching frequency max.
Mechanical life – number of switching actions
Operating temperature min./max.
Standard actuator form
Approvals
Weight
Delivery: ex-stock/built to order
Contact travel mm
(inch)
Tol. ± 0.25 mm
Actuator angle °
Tol. ± 3.5° Actuator torque Ncm
Tol. ± 10%
Actuator force N
Tol. ± 10%
On Off
I88-U1Z w
608.6103.008
pZb
l/–
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
B
UL, CSA
0.06 kg/0.13 lb
l/–
I88-E2 w
608.6803.014
–
l/–
w
400 V AC
5 A
l
100/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
B
UL, CSA
0.06 kg/0.13 lb
l/–
I88-SU1Z w
608.6153.012
pZb
–/l
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
B
UL, CSA
0.06 kg/0.13 lb
l/–
23 24
13 14
13 14
21 22
(2.91")
74
(0.39")
10
(0.78")
20
(0.31")
Ø8
I88-A2Z w
608.6803.013
pZb
l/–
w
400 V AC
5 A
l
100/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
B
UL, CSA
0.06 kg/0.13 lb
l/–
23 24
11 12
11 12
21 22
(1.20")
30.5
(0.79")
20
M20
(0.39")
10
(2.44")
62
(0.31")
8
(0.16")
4
(0.87")
22
(0.63")
16
(1.22")
31
(0.17")
Ø4.2
Switches
19
I88-UV16Z w
608.6603.047
pZb
l/–
w
400 V AC
6 A
l
100/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
B
UL, CSA
0.06 kg/0.13 lb
l/–
I88-U1Z w Rast
618.6103.005
pZb
l/–
w
500 V AC
10 A
l
60/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
B
UL, CSA
0.06 kg/0.13 lb
l/–
(0.59")
%%C15
(0.79")
20
(0.64")
16
(2.91")
74
(0.39")
10
(0.78")
20
(0.31")
Ø8
33 34
15 16
23 24
23 24
11 12
I88-UV1Z w
608.6303.011
pZb
l/–
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
B
UL, CSA
0.06 kg/0.13 lb
l/–
I88-UV15Z w
608.6603.046
pZb
l/–
w
400 V AC
6 A
l
100/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
B
UL, CSA
0.06 kg/0.13 lb
l/–
23 24
15 16
33 34
15 16
25 26
20
I88-U1Z Riw K
608.6117.017
pZb
l/–
iw
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
C
UL, CSA
0.07 kg/0.15 lb
l/–
I88-SU1Z Riw K
608.6167.018
pZb
–/l
iw
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
C
UL, CSA
0.07 kg/0.15 lb
l/–
I88-A2Z Riw K
608.6817.087
pZb
–/l
iw
400 V AC
5 A
l
100/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
C
UL, CSA
0.07 kg/0.15 lb
l/–
I88-U1Z Riw L
608.6117.050
pZb
l/–
iw
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.07 kg/0.15 lb
l/–
I88-SU1Z Riw L
608.6167.051
pZb
–/l
iw
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.07 kg/0.15 lb
l/–
I88-A2Z Riw L
608.6817.072
pZb
–/l
iw
400 V AC
5 A
l
100/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.07 kg/0.15 lb
l/–
(1.04")
26.5
(3.37")
85.5
(0.13")
3
(0.39")
Ø10
(0.39")
10
(1.22")
31
(3.62")
92
(0.13")
3
(0.55")
Ø14
(0.39")
10
23 24
11 12 13 14
21 22
11 12
21 22 23 24
11 12 13 14
21 22
11 12
21 22
(1.20")
30.5
(0.79")
20
M20
(0.39")
10
(2.44")
62
(0.31")
8
(0.16")
4
(0.87")
22
(0.63")
16
(1.22")
31
(0.17")
Ø4.2
All dimensions in mm (inch)
Designation
Part number
Circuit diagram
pForced disconnect to
IEC 947-5-1 chapter 3
Za: not galvanically separated contacts
Zb: galvanically separated contacts
Slow make & break/snap-action
Internal seal (iw)/external seal (w)
1) Latch Point
Voltage max.
Permanent current max.
In-rush current complies with standards
IEC 947-5-1 AC 15/DC 13
Switching frequency max.
Mechanical life – number of switching actions
Operating temperature min./max.
Standard actuator form
Approvals
Weight
Delivery: ex-stock/built to order
Contact travel mm
(inch)
Tol. ± 0.25 mm
Actuator angle °
Tol. ± 3.5° Actuator torque Ncm
Tol. ± 10%
Actuator force N
Tol. ± 10%
On Off
Switches
21
I88-U1Z Hw
608.6121.021
pZb
l/–
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
E
UL, CSA
0.07 kg/0.15 lb
l/–
I88-SU1Z Hw
608.6171.022
pZb
–/l
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
E
UL, CSA
0.07 kg/0.15 lb
l/–
I88-A2Z Hw
608.6821.099
pZb
–/l
w
400 V AC
5 A
l
100/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
E
UL, CSA
0.07 kg/0.15 lb
l/–
I88-U1Z AH
608.6135.033
pZb
l/–
iw
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
A
UL, CSA
0.10 kg/0.22 lb
l/–
I88-SU1Z AH
608.6185.034
pZb
–/l
iw
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
A
UL, CSA
0.10 kg/0.22 lb
l/–
I88-U1 AV
608.6136.037
Zb
l/–
iw
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.11 kg/0.24 lb
l/–
(3.54")
90
(0.22")
5.5
(1.20")
30.5
(0.43")
Ø11
(0.39")
10
(0.71")
Ø18
(0.94")
24
(0.83")
21
(1.92")
49
(0.31")
8
(4.25")
108
(4.17"-5.61")
106-142.5
(0.98")
Ø25
(0.77"-2.16")
19.5-55
(0.83")
21
(1.86")
47
(0.31")
8
23 24
11 12 13 14
2
122
11 12
21 22 23 24
11 12 13 14
21 22 23 24
11 12
I88-A2Z AH
608.6835.059
pZb
l/–
iw
400 V AC
5 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
A
UL, CSA
0.10 kg/0.22 lb
–/l
11 12
21 22
22
I88-U1Z DGH w
608.6121.029
pZb
l/–
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.07 kg/0.15 lb
l/–
I88-SU1Z DGH w
608.6171.030
pZb
–/l
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.07 kg/0.15 lb
l/–
I88-A2Z DGH w
608.6821.120
pZb
–/l
w
400 V AC
5 A
l
100/min.
1 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.07 kg/0.15 lb
l/–
I88-U1Z DGK w
608.6127.025
pZb
l/–
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.07 kg/0.15 lb
l/–
I88-SU1Z DGK w
608.6177.026
pZb
–/l
w
500 V AC
10 A
l
100/min.
10 x 106
–30 °C/+80 °C
–22 °F/+176 °F
–
UL, CSA
0.07 kg/0.15 lb
–/l
(0.24"-0.47")
6-12
(0.35")
9
(0.87")
Ø22
(1.59")
40.5
(4.15")
105.5
(0.20")
5
(0.39")
10 (0.71"-0.94")
18-24
(0.83")
21
(0.87")
Ø22
(1.59")
40.5
(4.15")
105.5
(0.20")
5
(0.39")
10
23 24
11 12 13 14
21 22
11 12
21 22 23 24
11 12 13 14
21 22
(1.20")
30.5
(0.79")
20
M20
(0.39")
10
(2.44")
62
(0.31")
8
(0.16")
4
(0.87")
22
(0.63")
16
(1.22")
31
(0.17")
Ø4.2
All dimensions in mm (inch)
Designation
Part number
Circuit diagram
pForced disconnect to
IEC 947-5-1 chapter 3
Za: not galvanically separated contacts
Zb: galvanically separated contacts
Slow make & break/snap-action
Internal seal (iw)/external seal (w)
Voltage max.
Permanent current max.
In-rush current complies with standards
IEC 947-5-1 AC 15/DC 13
Switching frequency max.
Mechanical life – number of switching actions
Operating temperature min./max.
Standard actuator form
Approvals
Weight
Delivery: ex-stock/built to order
Contact travel mm
(inch)
Tol. ± 0.25 mm
Actuator angle °
Tol. ± 3.5° Actuator torque Ncm
Tol. ± 10%
Actuator force N
Tol. ± 10%
On Off
