01
High-Voltage DC Support
Available in 450 V, 1000 V, and 1500 V DC ratings. Provides stable power control for high-voltage DC circuits.
DC Relay
The LS ELECTRIC High-Voltage DC Relay is a reliable DC switching solution designed for stable power supply and interruption in high-voltage DC circuits. This relay's interrupting mechanism uses hydrogen and nitrogen gas to support arc extinguishing performance and electrical durability. With a compact, low-noise design, the product can be applied across a range of system environments, including electric vehicles, energy storage systems, UPS, solar power, and wind power applications.
- Operational voltage
- 450/1000/1500 V DC
- Conventional Thermal Current
- 10 – 600 A
- Standard
- UL 60947-4-1
Key Features
02
Stable Interruption Performance
Interrupting mechanism uses hydrogen and nitrogen gas. Supports reliable arc extinguishing performance and minimizes contact damage.
03
Durable and Reliable Operation
Provides mechanical durability of 200,000 operations. Supports stable operation in applications requiring repeated switching.
04
Flexible Applications
Suitable for electric vehicles, ESS, UPS, and renewable energy systems. Designed for next-generation DC power applications.
Lineup
Item |  GPR Series |  GPR-M Series |  GPR-H Series | |
|---|---|---|---|---|
Pole | 1 Pole | 1 Pole | 1 Pole | |
Operating Voltage | DC 450V | DC 600, 1000V | DC 1500V | |
Rated Impulse Withstand Voltage | 4 kV | 4, 6 kV | 8 kV | |
Conventional Thermal Current | 10 - 400 A | 10 - 400 A | 500, 600 A | |
Short Time Withstand Current | 2Min | 15 - 800 A | 750 A Max. | 900, 1000 A |
15Min | 600 A Max. | 15 - 500 A | 750, 770 A | |
Durability(Mechanical) | 200000 cycles | 200000 cycles | 200000 cycles | |
Operating Time | Max. 30 - 50ms | Max. 30 - 50ms | Max. 35ms | |
Downloads
[DC Relay]
- [DC_Relay]_EN_C20002-09-202605.pdf (24.05MB)
USR, CNR - Switches, industrial control, Model GPR followed by 060, followed by DC12V, may followed by various alpha-numeric suffixes identifying the customer type.
- E465782-Vol2-Sec8.pdf
Switches, industrial control, Model GPR-H followed by 500, followed by -A, followed by DC24V, maybe followed by alphanumeric suffixes.
- E465782-Vol2-Sec2-20260423_Certificate of Compliance.pdf
Switches, industrial control, Model GPR-M followed by 010, followed by DC12V or DC24V, followed by SM or blank
- E465782-Vol2-Sec5.pdf
Switches, industrial control, Model GPR-M followed by 250, followed by DC12V or DC24V, followed by Side or blank.
- E465782-Vol2-Sec7-20250526_Certificate of Compliance.pdf
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