High-Voltage DC Relay NVR6V-250C for New Energy Industry | China Suppliers & Factory
With the rapid development of new energy vehicles, energy storage systems, and DC power distribution, the high-voltage DC relay, as the core control component of the power circuit, directly determines the safety and stability of the entire system. Chengdu Suchen Environmental Protection Material Co., Ltd. has launched the NVR6V-250C high-voltage DC relay, which, with a rated current capacity of 250A, a maximum switching voltage of 1000V, and multiple reliability designs, has become the ideal choice for the on-off control of high-voltage DC circuits in the new energy field.
Key Performance Advantages of NVR6V-250C
1. Exceptional Current Tolerance Capacity
- 250A current can operate continuously for a long time;
- 350A current can be tolerated for 5 minutes;
- 500A current can be tolerated for 2 minutes;
- 900A current can be tolerated for 30 seconds;
- 1000A current can be tolerated for 25 seconds.
2. Excellent Durability
- Electrical Durability: 20,000 on-off cycles at 14.5V DC/250A; 1,000 on-off cycles at 450V DC/250A; 200 on-off cycles at 800V DC/250A;
- Mechanical Durability: 200,000 on-off cycles without load, with mechanical life far exceeding industry norms;
- Short Circuit Tolerance: 5ms tolerance at 450V DC/8000A, during which the product's appearance structure remains intact, without fire, smoke, or cracks, effectively avoiding secondary safety issues caused by short circuits.
3. High Reliability Insulation & Quick Response
4. Wide Environmental Adaptability
Frequently Asked Questions (FAQ)
What is the rated current and voltage capacity of the NVR6V-250C relay?
The NVR6V-250C high-voltage DC relay has a rated current capacity of 250A and a maximum switching voltage capacity of 1000V, making it ideal for high-voltage DC circuits in new energy systems.
How much current overload can the NVR6V-250C withstand?
Under standard conditions (85℃, rated coil voltage, 60mm² wire), it can withstand 350A for 5 minutes, 500A for 2 minutes, 900A for 30 seconds, and up to 1000A for 25 seconds.
What is the electrical and mechanical lifespan of the relay?
It features a mechanical durability of 200,000 no-load cycles. Its electrical durability ranges from 20,000 cycles at 14.5V DC/250A, to 1,000 cycles at 450V DC/250A, and 200 cycles at 800V DC/250A.
What are the insulation specifications of the NVR6V-250C?
The relay provides an insulation resistance of ≥ 1000MΩ (at 1000V DC test) and can withstand dielectric voltages up to 4000V AC (between open contacts) and 3000V AC (between coil and contacts).
How fast does the relay respond to signals?
The NVR6V-250C features highly rapid response times, with an absorption time of ≤ 30ms, a release time of ≤ 10ms, and a return time of ≤ 5ms to ensure quick circuit isolation during faults.
What environmental conditions can this relay operate under?
It operates reliably in temperatures from -40℃ to +85℃, humidity levels of 5% to 85%, and altitudes up to 4000m. It is also highly resistant to mechanical shocks (up to 588m/s²) and vibration (10 to 500Hz at 49m/s²).
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