AZ743
8 AMP DPDT MINIATURE
POWER RELAY
FEATURES
• Dielectric strength 5000 Vrms
• Low cost
• Epoxy sealed version available
• 8 Amp switching — double pole contacts
• Class B (130°C) standard
• Class F (155°C) versions available
• Isolation spacing greater than 10 mm
• UL, CUR file E43203, VDE file 124746 ÜG
CONTACTS
GENERAL DATA
Arrangement
DPST (2 Form A, 2 Form B)
DPDT(2 Form C)
Life Expectancy
Mechanical
Electrical
Minimum operations
1 x 107
1 x 105 at 8 A 240 VAC Res.
Ratings
Resistive load:
Operate Time (typical) 7 ms at nominal coil voltage
Max. switched power: 240 W or 2216 VA
Max. switched current: 8 A
Max. switched voltage: 150* VDC or 400 VAC
Release Time (typical) 4 ms at nominal coil voltage
(with no coil suppression)
*Note: If switching voltage is greater than 30 VDC,
special precautions must be taken. Please contact the
factory.
Dielectric Strength
(at sea level for 1 min.) 3000 Vrms between contact sets
5000 Vrms coil to contact
1000 Vrms between open contacts
Rated Load
UL, CUR
Insulation
Resistance
1000 megohms min. at 500 VDC,
20°C, 50% RH
8 A at 277 VAC Resistive, 30k cycles
1/2 HP at 250 VAC (2 Form A)
1/4 HP at 125 VAC (2 Form A)
Dropout
Greater than 10% of nominal coil voltage
VDE
8 A at 250 VAC Resistive, 30k cycles
Silver cadmium oxide
Ambient Temperature At nominal coil voltage
Material
Resistance
Operating
Storage
-40°C (-40°F) to 85°C (185°F)
-40°C (-40°F) to 130°C (266°F)
< 50 milliohms initially (using 6 V 1 A method)
Vibration
0.062" DA at 10–55 Hz
10 g
Shock
COIL
Enclosure
P.B.T. polyester
Tinned copper alloy, P.C.
270°C (518°F)
5 seconds
Power
Terminals
At Pickup Voltage
(typical)
190 mW
Max. Solder Temp.
Max. Solder Time
Max. Solvent Temp.
Max. Continuous
Dissipation
2.1 W at 20°C (68°F) ambient
1.6 W at 40°C (81°F) ambient
80°C (176°F)
Temperature Rise
Max. Temperature
16°C (29°F) at nominal coil voltage
130°C (266°F)
Max. Immersion Time 30 seconds
Weight 16 grams
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.
2/28/01W