
50A
MINIATURE POWER RELAY
FEATURES
•50 Amp switching
•Wide contact gap > 1.85mm
•Holding power <100mW
•Dielectric strength 5000Vrms
•Isolation spacing greater than 10mm
•Reinforced insulation, EN 60730-1 (VDE 0631, part 1),
EN 60335-1 (VDE 0700, part 1)
•UL, CUR file E44211
•VDE certificate 40033251
GENERAL DATA
Life Expectancy
Mechanical
Electrical
Minimum operations
1 x 106
5 x 104 at 55A 250 VAC Res.
Operate Time (typical) 40 ms at nominal coil voltage
Release Time (typical) 5 ms at nominal coil voltage
(with no coil suppression)
Dielectric Strength 5000 Vrms coil to contact
(at sea level for 1 min.) 2500 Vrms between contact sets
2500 Vrms between open contacts
Insulation 1000 megohms min. at 20°C
Resistance 500 VDC 50% RH
Insulation C250
(according to Overvoltage category: III
DIN VDE 0110, Pollution degree: 3
IEC 60664-1) Nominal voltage: 250 VAC
Dropout Greater than 5% of nominal coil voltage
Ambient Temperature At nominal coil voltage
Operating -40°C (-40°F) to 85°C (185°F)
Vibration 0.062" (1.5 mm) 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
Weight 105 grams
Packing unit in pcs 10 per inner carton / 100 per carton box
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.
RoHS compliant !
Arrangement SPST (1 Form A)
DPST (2 Form A)
Ratings Resistive load:
AZSR250
Max. switched power: 1500W or 13850VA
Max. switched current: 55A
Max. switched voltage: 150 VDC* or 440 VAC
* Note: If switching voltage is greater than 30VDC,
special precautions must be taken.
Please contact the factory.
Rated Load
UL
VDE
AZSR250
55A at 277 VAC, resistive
Material Silver tin oxide
Resistance < 50 milliohms initially
CONTACTS
Power
At Pickup Voltage
(typical)
Max. Continuous
Dissipation
Temperature Rise
270 mW
2.0 W at 20°C (68°F) ambient
15°C (27°F) at nominal coil voltage
Temperature Max. 155°C (311°F) Class F
COIL
AZSR250
4/22/19
AZSR250
50A at 263 VAC, test refering to AC-7a, 85°C