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quality LF102F-H 50A High Voltage New Energy Relay Dust Proof Motor Load Switching Custom ODM Solution factory
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quality LF102F-H 50A High Voltage New Energy Relay Dust Proof Motor Load Switching Custom ODM Solution factory
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LF102F-H 50A High Voltage New Energy Relay Dust Proof Motor Load Switching Custom ODM Solution

Product Summary

50A high voltage new energy relay with dust-proof design for motor load switching, backed by custom ODM co-development engineering support.

Product Custom Attributes

Contact Capacity:
50A 250VAC
Contact Form:
1A (SPST-NO)
Coil Voltage:
DC 12V / 24V / 48V (customizable)
Contact Resistance:
<=50m Ohm
Insulation Resistance:
>=1000M Ohm (500VDC)
Dielectric Strength:
4000VAC (1min)
Operate Time:
<=20ms
Release Time:
<=10ms
Mechanical Life:
10,000,000 Operations
Electrical Life:
100,000 Operations (50A Resistive)
Operating Temperature:
-40 To +85 C
Enclosure:
Dust-proof Cover
Termination:
PCB And Quick-connect Terminals
Highlight:

50A High Voltage New Energy Relay

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Custom ODM Co-Development Engineering Support

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Motor Load Switching Dust Proof Relay

Design Now

Basic Properties

Place of Origin:
Shenzhen, Guangdong, China
Brand Name:
Rocfly
Certification:
ISO 9001:2015, CQC, CE
Model Number:
LF102F-H

Trading Properties

Packaging Details:
Export-grade corrugated carton with foam partition, 100 pieces per carton
Delivery Time:
3 working days for stock, 15-25 days for production
Payment Terms:
T/T,L/C,PayPal
Supply Ability:
100000 Pieces per Month

Product Description

LF102F-H 50A High Voltage New Energy Relay

The LF102F-H is a 50A high voltage relay engineered for new energy applications, delivering reliable motor load switching in a compact dust-proof enclosure with PCB and quick-connect terminals.

Product Features

  • 50A contact switching capacity
  • Suitable for switching motor loads
  • Dust-proof cover structure
  • PCB and quick-connect terminals
  • Low contact resistance and long electrical life

Custom ODM Co-Development Engineering Solutions

We are more than a relay supplier. Our engineering team co-develops solutions and products together with you from concept to mass production. Coil voltage, contact form, terminal type, enclosure and load ratings can all be customized to your exact application.

  • Rapid prototyping and sample verification
  • Dedicated engineering support from schematic design to production
  • Custom PCBA and relay module integration
  • In-house tooling and automated production lines

Why Partner With Us

  • Save time - one-stop design, prototyping and production
  • Save effort - a single point of contact across the whole engineering cycle
  • Save cost - competitive pricing through in-house manufacturing

Applications

New energy vehicles, EV charging stations, energy storage systems, photovoltaic inverters, industrial motor control and smart grid equipment.

Overall Rating
5.0
★★★★★
★★★★★
Based on 50 reviews recently
5 star
100%
4 star
0
3 star
0
2 star
0
1 star
0
All Reviews
  • S
    saj
    Canada Aug 17.2026
    ★★★★★
    ★★★★★
    We deployed this LSR1-1-225DD SSR in our latest medical-grade heating controllers, and it has exceeded expectations.
  • N
    nedim
    Turkey Jul 31.2026
    ★★★★★
    ★★★★★
    It performed well in our BMS PCBA testing. Low RDS(on), stable under load, and the batch quality was consistent. Good value for power applications.
  • I
    isabel
    Australia Jul 17.2026
    ★★★★★
    ★★★★★
    The AO3400 MOSFETs performed reliably in our BMS and power management boards. Low RDS(on), stable quality, and smooth supply made them a solid choice for our PCBA projects.

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