General Purpose
Power Relay SZR-LY Series
FEATURES
xSmall package design
xARC barrier equipped
xSilver Cadium Oxide
contact
xHigh dielectric strength
(1,800 Vac)
xHigh reliability and long life
xUltra-high sensitivity with
quick response time
(25 ms max.)
xHigh vibration and shock
resistance
xOptions include LED
indicator, diode protection,
and LED indicator/diode
protection
xUL listed, CE certified,
CSA certified
TYPICAL APPLICATIONS
xControl panels
xElevator panels
xMachine tools
xTest equipment
WARNING
PERSONAL INJURY
DO NOT USE these
products as safety or
emergency stop devices o r
in any other application
where failure of the product
could result in personal
injury.
Failure to comply with
these instructions could
result in death or serious
injury.
®
SZR-LY Series general-purpose power relays are designed for a wide
range of applications including power as well as logic control for factory
machines and control pan els.
SZR-LY Series relays break 10 A loads and are ideal for control panels
that require stable and reli able relays.
One standard and three op tions are available: LED indicator, internal
surge protection diode, and LED indicator/diode protection. Honeywell’s
global sales and distribution channels ensure a rapid response and excellent
customer service.
WARNING
MISUSE OF DOCUMENTATION
xThe information presented in this product sheet is for reference only. Do
not use this document as a product installation guide.
xComplete installation, operation, and maintenance information is provided
in the instructions supplied with each product.
Failure to comply with these instructions could result in death or
serious injury.
Sensing and Control
General Purpose
Power Relays SZR-LY Series
RELAY MODEL SELECTION GUIDE
Type Terminal Contact Catalog Listing
DPDT SZR-LY2-1
Standard Plug-in/Solder 4PDT SZR-LY4-1
DPDT SZR-LY2-1P
PCB 4PDT SZR-LY4-1P
LED Indicator Plug-in/Solder DPDT SZR-LY2-N1
4PDT SZR-LY4-N1
DIODE surge suppression DPDT SZR-LY2-D1
4PDT SZR-LY4-D1
LED indicator + surge suppression DPDT SZR-LY2-X1
4PDT SZR-LY4-X1
SOCKETS – REQUIRED ACCESSORIES
Din-rail Mounting Solder Terminal PCB Terminal
Relay Contact
DPDT
For use with
SZR-LY2-1, -
N1, -D1, -X1
SZX-SLF-08N SZX-SLB-08 SZX-SLB-08P
4PDT
For use with
SZR-LY4-1, -
N1, -D1, -X1
SZX-SLF-14 SZX-SLB-14 SZX-SLB-14P
CONTACT RATINGS
Load
Ratings Resistive Load
(p.f. = 1) Inductive load
(p.f. = 0.4, L/R = 7 ms)
Rated load 110 Vac, 10 A
24 Vdc, 10 A 110 Vac, 7.5 A
24 Vdc, 5 A
Carry current 10 A
Max. operating voltage 250 Vac, 125 Vdc
Max. operating current 10 A
Max. switching capacity 1,100 VA, 240 W 825 VA, 120 W
Min. permissible load 5 Vdc, 100 mA
2 Honeywell x Sensing and Control
General Purpose
Power Relays SZR-LY Series
COIL RATINGS (DPDT)
Rated Current (mA) Coil Inductance (H)
Rated
Voltage
(V)
50 Hz 60 Hz Coil
resistance
(:)
Armature
OFF Armature
ON Pick-up
Voltage
(V)
Dropout
Voltage
(V)
Maximum
Voltage
(V)
Power
Consumption
(W)
6 214.1 183 12.2 0.04 0.08 Approx.
12 106.5 91 46 0.17 0.33 1.0 W to 1.2 W
24 53.8 46 180 0.69 1.3 Max. Min. (60 Hz)
AC 50 25.7 22 788 3.22 5.66 80 % 30% 110%
100/110 11.7/12.9 10/11 3,750 14.54 24.6 Approx
110/120 9.9/10.8 8.4/9.2 4,430 19.2 32.1 0.9 W to 1.1 W
200/220 6.2/6.8 5.3/5.8 12,950 54.75 94.07 (60 Hz)
220/240 4.8/5.3 4.2/4.6 18,790 83.5 136.4
6 150 40 0.17 0.33
12 75 160 0.73 1.37 Max. Min. Approx.
DC 24 36.9 650 3.2 5.72 80% 10% 110% 0.9 W
48 18.5 2,600 10.6 21.0
100/110 9.1/10 11,000 45.6 86.2
COIL RATINGS (4PDT)
Rated Current (mA) Coil Inductance (H)
Rated
Voltage
(V)
50 Hz 60 Hz Coil
resistance
(:)
Armature
OFF Armature
ON Pick-up
Voltage
(V)
Dropout
Voltage
(V)
Maximum
Voltage
(V)
Power
Consumption
(W)
6 386 330 5 0.02 0.04
12 199 170 20 0.1 0.17 Approx.
24 93.6 80 78 0.38 0.67 Max. Min. 1.95 W to 2.5 W
AC 50 46.8 40 350 1.74 2.88 80 % 30% 110% (60 Hz)
100/110 22.5/25.5 19/21.8 1,800 10.5 17.3
200/220 11.5/13.1 9.8/11.2 6,700 33.1 57.9
6 240 25 0.09 0.21
12 120 100 0.39 0.84 Max. Min. Approx.
DC 24 69 350 1.41 2.91 80% 10% 110% 1.5 W
48 30 1,600 6.39 13.6
100/110 15/15.9 6,900 32 63.7
Note 1: The rated current and coil resistance are measured at a coil temperature of 23 °C [73.4 °F] with tolerances of +15%,
-20% for AC rated current and ± 15% for DC coil resistance.
Note 2: The rated current of N1 and X1 types is 4 mA higher than the value in the table above.
Honeywell xSensing and Control 3
General Purpose
Power Relays SZR-LY Series
SPECIFICATIONS
Contact material Silver Cadium Oxide
Contact resistance Max. 50 MOhm
Operate time Max. 25 ms
Release time Max. 25 ms
Mechanical 18,000 operations per hourOperating
frequency Electrical 1,800 operations per hour
Insulation resistance Min. 100 Mw at 500 Vdc
Dielectric withstand voltage 1,800 Vac 50 Hz/60 Hz for one minute between non-continuous current
carrying terminals and between coil thermals and contact terminals
1,000 Vac 50/60 Hz for 1 minute between contacts of same polarity
Mechanical durability 10 Hz to 55 Hz at double amplitude of 1.0 mm Vibration
resistance Malfunction durability 10 Hz to 55 Hz at double amplitude of 1.0 mm
Mechanical durability 1,000 m/s2 (approx. 100 g) Shock resistance Malfunction durability 200 m/s2 (approx. 20 g)
Mechanical AC: Min. 50 million operations (at operating freq uency of 18,000 operations/hour)
DC: Min. 100 million operations (at operating frequency of 18,000 operations/hour)
Service life
Electrical DPDT: Min. 500,000 operations (at operating frequency of 1,800 operations/hour)
4PDT: Min. 200,000 operations (at operating frequency of 1,800 operations/hour)
Weight DPDT: Approximately 35 g 4PDT: Approximately 65 g
Note 1: The data shown above are of initial value
CHARACTERISTIC DATA
0 2 4 6 8 10 12 14 16
1,000
Electrical life
500
100
50
10
Numberofoperations(×
10)
4
AC110V resistive load
DC24V
(L/R=7ms) AC110V
(cosf =0.4)
Current(A)
DC2 4V resistive load
Electric al li f e
0 2 4 6 8 10 12 14 16
1,000
500
100
50
10
Numberofoperations(×
10)
4
AC110V resistive load
DC24V
(L/R=7ms) AC110V
(cosf =0.4)
Current(A)
DC24V resistive load
10
5
1
0.5
0.1
10
550 100 500
Ratedoperatingcurrent(A)
Max.Switchingcapacity
DC resistive
AC resistive
DC inductive
L/R=7ms
AC inductive
p.f.=0.4
Rated operating voltage(V)
10
5
1
0.5
0.1
10
550 100 500
Ratedoperatingcurrent(A)
Max.Switchingcapacity
DC resistive
AC resistive
DC inductive
L/R=7ms
AC inductive
p.f.=0.4
Rated operating voltage(V)
DPDT
4PDT
4 Honeywell x Sensing and Control
General Purpose
Power Relays SZR-LY Series
CATALOG LISTING MATRIX
SZR – LY 2 – ___ 1 P – AC110-120V
Product Type
General Purpose Relay
Amp Rating:
MY = 5 A or 3 A
LY = 10 A
Poles
2 = DPDT
4 = 4PDT
Option Type
__ = No Indicator or Diode
D = Interna l S urg e P r ot ection Diode
N = Red LED Operation Indicator
X = LED and Dio de
Mounting Type
1 = Terminal
Terminal Type
__ = Solder/P lu g-in
P = PCB
Voltage Rating:
AC6V = 6 Vac
AC12V = 12 Vac
AC24V = 24 Vac
AC50V = 50 Vac
AC100V = 100 V a c
AC110-120V = 110/ 12 0 Vac
AC200V = 200 V a c
AC220V = 220 V a c
AC220-240V = 220/240 Vac *
DC6V = 6 Vdc
DC12V = 12 V dc
DC24V = 24 V dc
DC48V = 48 V dc
DC100V = 100 V d c
240 Vac -S u bm i tted for UL approval
Honeywell xSensing and Control 5
General Purpose
Power Relays SZR-LY Series
HOLDING CLIPS
xHolding clips are included with the sockets
xHolding clips for the SLF-08N cannot be removed once inserted
xThe holding clip for the SLF-14 can be remo ved by pushing the side of the inserting hold with a sharp object
xHolding clips for all SMB sockets are wire for easy removal
xHolding clips are to be inserted into the slots provided on the socket
DIMENSIONS (For reference only – mm/in)
Figure 1. Dimensions
For SZX-SLF-14 sockets
16,0 [0.63]
4,5
[0.18]
4,5
[0.18]
6,0
[0.24] 45,5 [1.79]
7,0
[0.28]
Figure 2. Dimensions
For SZX-SLF-08N sockets
49,9 [1.96]
6,2
[0.24]
5,0
[0.20]
14,5
[0.57]
6,5
[0.26]
4,6 [0.18]
Figure 3. Dimensions
For all SZX-SLB sockets
29,0 [1.14]
22,0 [0.87]
39,6 [1.56]
2,2
[0.09]15°
6 Honeywell x Sensing and Control
General Purpose
Power Relays SZR-LY Series
FIGURE 4. DIMENSION, CIRCUIT DIAGRAM, TERMINAL ARRANGEMENT, AND MOUNTING HOLE FOR
SZR-LY2-1, SZR-LY2-N1, SZR-LY2-D1, and SZR-LY2-X1
Max. 36,0 [1.42]
0,5
[0.02]
5,0
[0.20]
3,0 [0.12]
6,4 [0.26] Max. 21,5
[0.85]
5,75
[0.23]
Max. 28,0 [1.10]
14 - O 3,0 [0.12]
Bottom view
12
34
56
78
LY2-1 LY2-N1 AC LY2-N1 DC
78
1
3
5
2
4
6
LY2-D1 LY2-X1
78
1
3
5
2
4
6
-+ 78
1
3
5
2
4
6
-+ 78
1
3
5
2
4
6
-+
FIGURE 5. DIMENSION, CIRCUIT DIAGRAM, TERMINAL ARRANGEMENT, AND MOUNTING HOLE FOR
SZR-MY2-1P and SZR-MY4-1P
0,5
[0.02]
2,0
[0.08]
1,0
[0.04] 4,5
[0.18]
Max. 36,0 [1.42] Max. 21,5 [0.85]
Max. 28,0 [1.1 0 ]
5,75
[0.23]
The circuit diagram is the same wit standard type of SZR-MY2-1 or the SZR-MY4-1
Honeywell xSensing and Control 7
General Purpose
Power Relays SZR-LY Series
FIGURE 6. DIMENSION, CIRCUIT DIAGRAM, TERMINAL ARRANGEMENT, AND MOUNTING HOLE FOR
SZR-LY4-1, SZR-LY4-N1, SZR-LY4-D1, and SZR-LY4-X1
14 - O 3.0 Holes
Max. 36,0 [1.42] 6,4 [0.25]
3,0
[0.12]
5,0
[0.20]
0,5
[0.02]
Max. 41,5 [1.63]
Max. 28, 0 [ 1.1 0]
13
1
5
9
2
6
10
3
7
11
4
8
12
14
LY4-1 LY4-N1 DC
13
1
5
9
2
6
10
3
7
11
4
8
12
14
LY4-N1 AC
LY4-D1 LY4-X1
13
1
5
9
2
6
10
3
7
11
4
8
12
14
-+
13
1
5
9
2
6
10
3
7
11
4
8
12
14
-+13
1
5
9
2
6
10
3
7
11
4
8
12
14
-+
Bottom view
FIGURE 7. CIRCUIT DRAWING FOR SZR-LY2- and SZR-LY4-
3.4 5.3
5.5 4.1
14.2
10
8- 2.5
0.1
10 10 10
7.15
13.15 4.6
14- 2.5 0.1
4PDT
DPDT
8 Honeywell x Sensing and Control
General Purpose
Power Relays SZR-LY Series
SOCKETS
FIGURE 8. SZX-SLF-08N FIGURE 9. SZX-SLF-14
2 - O 4,5 [0.18] Holes
2 - M4
25,0 ± 0,2
[0.99 ± .008]
19,0
[0.75]
2,5
[0.10]
14,5
[0.57]
25,0 [0.99]
4,2
[0.17]
30,0 [1.18]
26,0
[1.02]
47,0
[1.85]
67,0 [2.64]
22,0 [0.87]
8,0
[0.31]
Max. 61,0 [2.40]
Max. 30,0 [1.18]
8,0
[0.31]
35,5 [1.40]
69,0 ± 0,3
[2.72 ± 0.0 1]
36,0 ± 0, 2
[1.42 ± 0.008]
2-M4
3,4 [0.13]
14-M3.5x8
7,0
[0.28]
2 - O 6,0 [0.24]
4,5
[0.18]
68,0 [2.68]
Max. 78,5 [3.09]
Max. 45,5
[1.79]
Max. 66,0 [2.60]
FIGURE 10. SZX-SLB-08 FIGURE 11. SZX-SLB-14
8 - O 1,7 [0.07]
Max. 20,5
[0.81]
2,7
[0.11]
5,0
[0.20]
0,3
[0.01]
Max. 24,0
[0.94]
Max.25,5
[1.00]
Max.29,5[1.16]
38,5
[1.52]
25,8 ± 0,2
[1.02 ± .008]
Max. 21,4 ± 0,2
[0.84 ± .008]
14 - O 1,7 [0.07] Holes
5,0
[0.20]
Max. 42,5 [1.67]
Max. 26,5
[1.04]
Max. 29,5 [1.16]
Max. 20,5
[0.81]
2,7
[0.11]
38,5 [1.52]
26,6 ± 0,3
[1.05 ± 0.01]
41,0 ± 0,2
[1.61 ± 0. 00 8]
Honeywell xSensing and Control 9
General Purpose
Power Relays SZR-LY Series
Sensing and Control
www.honeywell.com/sensing
Honeywell
11 West Spring Street
FIGURE 12. SZX-SLB-08P FIGURE 13. SZX-SLB-14P
8 - O 2,0 [0.08] Holes
11,5
[0.45]
5,8
[0.23]
6,5
[0.26]
6,5
[0.26]
12,5
[0.50]
4,6
[0.18]
10,0
[0.39]
38,5
[1.52]
4,5
[0.18]
1,0
[0.04]
2,0
[0.08]
5,0
[0.20]
Max. 29,5 [1 .16]
Max. 25,5
[1.00]
Max. 24,0
[0.94]
0,5
[0.02]
2,7
[0.11]
Max. 16,5
[0.65] 4,5 [0.18]
1,0 [0.04]
0,5
[0.02]
2,0 [0.08]
5,0
[0.20]
2,7
[0.11]
Max. 16,5
[0.65] Max. 29,5 [1.16]
Max. 26,5
[1.04]
Max. 42,5
[1.67]
38,5 [1.52]
6,5
[0.26]
5,2
[0.20]
17,1 [0.67]
6,5 [0.26] 6,0
[0.24]
14 - O 2,0 [0.08] Holes
10,0
[0.39]
30,0 [1.18]
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as
being free of defective materials an d faulty
workmanship. Contact your local sales office for
warranty information. If warranted goods are returned
to Honeywell during the period of coverage,
Honeywell will repair or replace without charge those
items it finds defective. The foregoing is Buyer’s
sole remedy and is in lieu of all other warranties,
expressed or implied, including those of
merchantability and fitness for a particular
purpose.
Specifications may change without notice. The
information we supply is believed to be accurate and
reliable as of this printing. However, we assume no
responsibility for its use.
While we provide application assistance personally,
through our literature and the Ho neywell web site, it
is up to the customer to determine the suitability of
the product in the application.
For application assistance, curre nt specifications,
or name of the nearest Authorized Distributor, contact
a nearby sales office. Or call:
1-800-537-6945 USA/Canada
1-815-235-6847 Intern ational
FAX
1-815-235-6545 USA
INTERNET
www.honeywell.com/sensing
info.sc@honeywell.com
Freeport, Illinois 61032
009551-4-EN IL50 GLO 0104 Printed in USA
Copyright 2003-2004 Honeywell International Inc. All Rights Reserved.
