Contact Us
- 1289 Tanjialing West Road, Lanjiang Street, Yuyao City, Zhejiang Province, China
- humphreyzhu@nbc-relays.com
- +86-574-62824561
Low Temperature Increase 50A Power Relay
1 Product Presentation of low temperature increase 50A power relay Product Features ◆ It can keep 8 hours low temperature when working ◆High load switching capability: 50A ◆4000VAC is avaliable for dielectric strength between contact and coil ◆ Coil isolation grade Class F ◆ High power...
Description
1 Product Presentation of low temperature increase 50A power relay
Product Features
◆ It can keep 8 hours low temperature when working
◆High load switching capability: 50A
◆4000VAC is avaliable for dielectric strength between contact and coil
◆ Coil isolation grade Class F
◆ High power consumption relay
◆ Dust-proof&Sealed type
◆ In deference to RoHS-Directive
◆ Dimension: 32*27.2*20mm
◆ It Can replace Hongfa's similar relay with model No. HF2150/HF105F-1
Name principle
| NB90 | -12 | S | -S | -A | W | 4KV | P | T-105℃ | X |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1: Relay Model 2: Coil rated voltage 3: package S: Sealed, D: dust proof.
4: Contact Material: S:AgSnO2 C:AgCdO 5: Contact Form: A:Normally Open B:Normally Close C:SPDT(NO&NC)
6: W: white None: black 7: 4KV: Dielectric Strength between contact and coil 4000VAC none: Dielectric Strength between contact and coil 2500VAC
8: P: Pin width 2.9mm , none: normal width pin. 9: T-105℃: ambient temperature 105℃ none: normal ambient temperature
10: X: customer used code
2 Figure table of low temperature increase 50A power relay
Contact Rating | |
Contact Form | 1A |
Contact Material | AgSnO2 |
Contact Load Capacity | NO: 50A 277VAC 40A 240VAC, 2HP240VAC, TV-15 |
Switching Power Max. | 1500W 13850VA |
Switching Voltage Max. | 30VDC/277VAC |
Switching Current Max. | 50A |
Contact Resistance Max. | 50mΩ(1A ,24VDC) |
Life expectancy | Electrical 50A: 1x104 40A: 5x104 |
Machanical | 10 7 |
Safety Certification | ||
Approval | TUV/CQC | UL |
Load | 40A 240VAC 30VDC | 50A 277VAC, 2 HP 240VAC, TV-15 |
Coil Rating | |||||
1.2W/0.9W | |||||
No. | Coil Voltage | Coil Resistance Ω±10% | Pick up (VDC) Max. (75% of Rated Voltage) | Drop out (VDC) Min.(10% of Rated Voltage) | |
Rated | Max. | ||||
012-120 | 12 | 13.2 | 120/160 | 8.4/9.0 | 0.6 |
024-120 | 24 | 26.4 | 480/640 | 16.8/18 | 1.2 |
Technical Rating | |||
Insulation Resistance | Min.1000MΩ(500VDC) | IEC 60255-5 | |
Dielectric Strength | Between Contacts | 1500VAC, 50/60Hz 1min; Max 4000 VAC | IEC 60255-5 |
Between Coil&Contact | 4000VAC ( without Pin #6) | 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℃;﹣55℃~105℃ | ||
Relative Humidity | 85% RH , 40℃ | IEC 68-2-3 test Ca | |
Weight | Approx.30.0g | ||
Package | Sealed;Dust-proof type | ||
3 Dimension and circuitry of low temperature increase 50A power relay

Outline Dimensions

Bottom View Layout

Wiring Diagram(Bottom View)
Engineering Data

Application Strategy example: EV AC charging Pile



4. FAQ
Q: What's your after-sale service?
A: Our quality warranty period is one year. Any quality problem will be solved to customer satisfactions.
Q: Can I request to change the form of packaging and transportation?
A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.
Hot Tags: low temperature increase 50a power relay, China, suppliers, manufacturers, factory, made in China
You Might Also Like














