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  • Name: GRT508B-90A
  • ·: ◇ 90A contact switching capability
  • ·: ◇ Only impulse excitation needed, both for single and double coil.
  • ·: ◇ Low power consumption, small in size
  • ·: ◇ Custom assemblies available with flexible wire and/or copper straps, and/or with integrated shunt
  • ·: ◇ 4KV dielectric strength between coil and contacts
  • ·: ◇ RoHS compliant
  • ·: ◇ IEC62055-31 UC2 compliant
  • ·: ◇ Outline dimensions:(38.5 x 30 x 17.5/16.5) mm
  • ·:
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Coil Data (20℃)

Coil Voltage

Coil Resistance (Ω)

Coil Power (W)

Operating Voltage

Releasing Voltage

Allowing Voltage

Pulse     Duration   

(VDC)

Single    Double

Single  Double

(VDC)

(VDC)

(VDC)

(ms)

6

36

18/18

1.0

2.0

4.2

4.2

9

≥80

9

81

40.5/40.5

6.3

6.3

13.5

12

144

72/72

8.4

8.4

18

24

576

288/288

 ≤16.8

 ≤16.8

36

Contact Data

Characteristics

Contact Form

1B

Operate Time

20ms Max.

Contact Material

AgSnO2

Release Time

20ms Max.

Contact Resistance

Max.1.0mΩ (1A 6VDC)

Insulation Resistance (500VDC)

1000MΩ Min.

Dielectric Strength (50/60Hz,1Min)

Contact to Coil

4000VAC

Rated Load(Resistive)

90A    250VAC

Across Open Contacts

2000VAC

Max.Switching Voltage

250VAC

Contact to contact

 

Max.Switching Current

90A

Surge Voltage (1.2/50μs)

Contact to Coil

12KVAC

Max.Switching Power

22500VA

Service Life

Mechnical Endurance

1×105OPS

Dielectric Creepage

8mm

Electrical Endurance

1×104OPS

Unit Weight

About 50g

Max.Short-Circut Current

     2500A/10ms        4500A/10ms(no explosion)          

Outline Dimension (without connecting parts)

38.5X30X17.5  (mm)

Environmental Data

Ambient Temperature

-40℃~+85

Relative Humidity

5%-85% RH

Vibration

10-55Hz 1.5mm

Shock

98m/s2

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