NBC
SPST DC12V 50A Gap3.0mm Power Relay NB90-12S-S-A for EV Charging Equipment
Description:
It is a lastest design relay complied with EU standard.PIN widen,brass material,Gap with 3.0mm,high coil power 2.25W,between contacts and between coil & contacts both are 4000VAC,specially use for EV charging equipment of new energy field.
Feature:
1. Contact switching current: 50A
2. Brass PIN
3. Gap is 3.0mm by default.(1.8mm and 2.8mm for option)
4. Coil insulation grade Class F
5. Ambient temperature 105℃ for option
Application:
1. New energy:EV charger system
2. Photovoltaic power system
Specification:
Contact Rating | ||
Contact Form | 1A | |
Contact Material | AgSnO2 | |
Contact Load Capacity | NB90 | |
50A 240VAC 30VDC 50A 277VAC 2HP 240VAC TV-15 | ||
Switching Power Max. | 13850VA | |
Switching Voltage Max. | 277VAC | |
Switching Current Max. | 50A | |
Contact Resistance Max. | 20mΩ(1A ,24VDC) | |
Life expectancy | Electrical | 1*104ops (50A 240VAC, at 55℃,Resistive load 1s on 9s off) |
5*104ops (40A 240VAC, at 55℃,Resistive load 1s on 9s off) | ||
10*104ops (32A 240VAC, at 55℃,Resistive load 1s on 9s off) | ||
Machanical | 10 7 |
Safety Certification | |||
Approval | CQC | TUV | UL |
Load | 50A 240VAC 30VDC | 40A 240VAC 30VDC | 50A 277VAC 2HP 240VAC TV-15 |
Coil Rating | |||||
Coil Power 2.25W | |||||
No. | Nominal Voltage VDC | Max. Voltage VDC | Coil Resistance Ω±10% | Pick-up Voltage VDC Max. | Drop-out Voltage VDC Min. |
012 | 12 | 13.2 | 64 | 9.0(6.0V) | 0.6 |
Technical Rating | |||
Insulation Resistance | Min.1000MΩ | IEC 60255-5 | |
Dielectric Strength | Between Contacts | 4000 VAC | IEC 60255-5 |
Between Coil&Contact | 4000VAC | IEC 60255-5 | |
Operate Time | ≤15ms | ||
Release Time | ≤10ms | ||
Shock Resistance | Operation extremes 10G Damage limits 100G | IEC 68-2-27 test Ea | |
Vibration Resistance | 10Hz~55Hz double amplitude 1.5mm | IEC 68-2-6 test Fc | |
Ambient Temperature | ﹣55℃~85℃ | ||
Relative Humidity | 85% RH , 40℃ | IEC 68-2-3 test Ca | |
Termination | PCB | ||
Weight | Approx.30.0g | ||
Package | Sealed;Dust-proof type |
3 Dimension and electrocircuit of 50 ampere 3mm gap power relay
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Outline Dimensions | |
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Bottom View Layout | |
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Wiring Diagram(Bottom View) | |
Engineering Data | |
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