NOTES
1. All values at 20°C (68°F).
2. Relay may pull in with less than “Must Operate” value.
3. Specifications subject to change without notice.
AZ
CONTACTS
Arrangement DPST (2 Form A, 2 Form B)
DPDT(2 Form C)
Ratings Resistive load:
Max. switched power: 240 W or 2500 VA
Max. switched current: 10 A
Max. switched voltage: 150* VDC or 400 VAC
*Note: If switching voltage is greater than 30 VDC,
special precautions must be taken. Please contact the
factory.
Rated Load
UL, CUR 10 A at 250 VAC Resistive, 30k cycles (N.O.)/
6k (N.C.) [1]
8 A at 277 VAC Resistive, 30k cycles [1]
8 A at 277 VAC Resistive. 75k cycles [2]
8 A at 277 VAC Resisive, 100k cycles [3]
1/2HP at 250 VAC (N.O.) [1]
1/4 HP at 125 VAC (N.O) [1]
VDE 8 A at 250 VAC Resistive, 30k cycles [1]
Contact factory for additional VDE ratings
[1] Silver cadmium oxide, [2] Silver tin oxide
[3] Silver nickel
Material Silver cadmium oxide, silver tin oxide, or silver
nickel. Gold plating available
Resistance < 50 milliohms initially (using 6 V 1 A method)
AZ743
10 AMP DPDT MINIATURE
POWER RELAY
FEATURES
Dielectric strength 5000 Vrms
Low cost
Epoxy sealed version available
10 Amp switching — double pole contacts
AC and DC coils
Class B (130°C) standard
Class F (155°C) versions available
Isolation spacing greater than 10 mm
UL, CUR file E44211, VDE file 40006031
COIL
Power
At Pickup Voltage 196 mW (DC)
(typical) 0.43 VA (AC)
Max. Continuous
Dissipation 1.7 W at 20°C (68°F) ambient
Temperature Rise 26°C (47°F) at nominal coil voltage
Max. Temperature 130°C (266°F)
1/15/13
GENERAL DATA
Life Expectancy Minimum operations
Mechanical 1 x 107
Electrical 1 x 105at 8 A 240 VAC Res.
Operate Time (typical) 7 ms at nominal coil voltage
Release Time (typical) 4 ms at nominal coil voltage
(with no coil suppression)
Dielectric Strength 5000 Vrms coil to contact
(at sea level for 1 min.) 3000 Vrms between contact sets
1000 Vrms between open contacts
Insulation 1000 megohms min. at 500 VDC,
Resistance 20°C, 50% RH
Dropout Greater than 10% of nominal coil voltage (DC)
Greater than 15% of nominal coil voltage (AC)
Ambient Temperature At nominal coil voltage
Operating -40°C (-40°F) to 100°C (212°F)
Storage -40°C (-40°F) to 130°C (266°F)
Vibration 0.062" DA at 10–55 Hz
Shock 10 g
Enclosure P.B.T. polyester
Terminals Tinned copper alloy, P.C.
Max. Solder Temp. 270°C (518°F)
Max. Solder Time 5 seconds
Max. Solvent Temp. 80°C (176°F)
Max. Immersion Time 30 seconds
Weight 16 grams
RELAY ORDERING DATA
COIL SPECIFICATIONS - DC COIL ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Resistance Unsealed Sealed
VDC VDC VDC ± 10%
5 3.5 10.2 62 AZ743–2C–5D AZ743–2C–5DE
6 4.2 12.3 90 AZ743–2C–6D AZ743–2C–6DE
12 8.4 24.7 360 AZ743–2C–12D AZ743–2C–12DE
15 10.5 30.9 562 AZ743–2C–15D AZ743–2C–15DE
18 12.6 37.0 810 AZ743–2C–18D AZ743–2C–18DE
24 16.8 49.4 1,440 AZ743–2C–24D AZ743–2C–24DE
48 33.6 98.0 5,760 AZ743–2C–48D AZ743–2C–48DE
60 42.0 112.9 7,500 AZ743–2C–60D AZ743–2C–60DE
110 77.0 206.9 25,200 AZ743–2C–110D AZ743–2C–110DE
AZ743
1/15/13
COIL SPECIFICATIONS - AC COIL ORDER NUMBER*
Nominal Coil Must Operate Max. Continuous Coil Current (mA) Coil Resistance Unsealed Sealed
VAC VAC VAC
24 18.0 31.2 31.6 350 ± 10% AZ743–2C–24AF AZ743–2C–24AEF
115 86.3 149.5 6.6 8,100 ± 15% AZ743–2C–115AF AZ743–2C–115AEF
230 172.5 299.0 3.2 32,500 ± 15% AZ743–2C–230AF AZ743–2C–230AEF
* Substitute “2A” or “2B” in place of “2C” for Form A or B respectively. Add suffix “E” to “2A” or “2B” or “2C” for silver tin oxide contacts. Add suffix “B” to
“2A” or “2B” or “2C” for silver nickel contacts. Add suffix “A” for gold plated contacts. Add suffix “F” for Class F version (DC coils only). When suffix “E” is
specified for Epoxy Seal, refer to AZ “Relay Technical Notes” on AZ website - Product Resources. Consult factory for other PCB process conditions that may
apply.
AZ743
1/15/13
MECHANICAL DATA
Dimensions in inches with metric equivalents in parentheses. Tolerance: ± .010"
HARDWARE ORDERING DATA
DESCRIPTION ORDER NUMBER DESCRIPTION ORDER NUMBER
Socket ST484–U1 Retainer ST482–3
[2 .5 ]
.0 9 8
[5 .0 ]
.1 9 7
[5 .0 ]
.1 9 7
.597
[15.16 ]
2X ø.0 3 2
[ø0 .8 ]
[5 .0 ]
.1 9 7
.1 9 7
[5 .0 ]
[15.16]
[1 6 .2 ]
.6 3 8 M a x .
[4.1]
.161
[0 .9 ]
6X .035
6X ø.0 5 0
[ø1.3]
6 X .0 2 0
[0 .5 ]
.2 9 5
[7 .5 ]
[2 .5 ]
.0 9 8
.597
[1 3 .2 ]
.5 2 0 M a x .
[7 .5 ]
.2 9 5
[7 .5 ]
.2 9 5
[2 9 .5 ]
1.161M ax.
[ø0 .6 ]
6X ø.0 2 4
VIEWED TOWARDS TERMINAL
.5 0 0
(1 2 .7 )
1.22
(3 0 .9 )
1.28
(3 2 .5 )
.1 7 7
(4 .5 )
MAX
.3 5 4
(9 .0 )
.3 6 6
(9 .3 )
.1 2 5 D IA
(0 .5 )
.1 9 7
(5 .0 )
.2 9 5
(7 .5 )
.5 9 0 (1 5 )
.1 9 7
(5 .0 )
.0 5 9 D IA
(1 .5 )
.118
(3 .0 )
.4 1 4
(1 0 .5 )
1.385 [35.19]
2 Form C 2 Form A
54 3 2
87 6 1
54 2
87 1
*
*
**
**
* N ot used on 2 Form A
** N ot used on 2 Form B
2 Form B
43 2
76 1
S T482-3
OUTLINE DIMENSIONSPC BOARD LAYOUT
VIEW TOWARD TERMINALS
VIEW TOWARD TERMINALS
RETAINING CLIP
WIRING DIAGRAM
.895 [22.73]
.661 [16.79]