NVR6V-500X HVDC relay

The NVR6V-500X is a high-performance DC relay (HVDC relay) with a rated current of 500A, specifically designed for demanding high-voltage DC switch applications. This DC contactor employs advanced ceramic sealing technology to achieve excellent arc extinguishing capability and outstanding electrical lifespan, and is widely used in electric vehicles (EVs), energy storage systems (ESS), charging infrastructure, and industrial DC power distribution fields.

Product Detail

The NVR6V-500X DC relay is a high-performance DC contactor with a rated current of 500A.The NVR6V-500X DC relay is a high-performance DC contactor with a rated current of 500A. It adopts ceramic sealed arc extinguishing technology and supports voltage switching up to 1000Vdc. It adopts ceramic sealed arc extinguishing technology and supports voltage switching up to 1000Vdc. It is suitable for high-voltage DC scenarios such as electric vehicles, energy storage systems, DC fast charging stations, and industrial DC power distribution. It is suitable for high-voltage DC scenarios such as electric vehicles, energy storage systems, DC fast charging stations, and industrial DC power distribution.

Efficiency & Durability

The product features a dual-coil design, with an activation power consumption of approximately 36W and a holding power consumption as low as about 6W. The product features a dual-coil design, with an activation power consumption of approximately 36W and a holding power consumption as low as about 6W. It balances fast response and energy-saving requirements, has a mechanical life of 200,000 times, and its reliability has been rigorously verified. It balances fast response and energy-saving requirements, has a mechanical life of 200,000 times, and its reliability has been rigorously verified.

Model Selection

The model code follows a clear rule: NVR6V represents ceramic sealed type, 500 is the rated current, X is the series code, and the suffix defines the rated voltage (450V/750V/1000V), coil voltage (12V/24V), contact form, and lead-out configuration, facilitating customers to select according to their needs.
The model code follows a clear rule: NVR6V represents ceramic sealed type, 500 is the rated current, X is the series code, and the suffix defines the rated voltage (450V/750V/1000V), coil voltage (12V/24V), contact form, and lead-out configuration, facilitating customers to select according to their needs.

Technical Specs

The main contact of this DC relay has a contact resistance of ≤ 0.The main contact of this DC relay has a contact resistance of ≤0.5mΩ, can sustain 500A current continuously, and can withstand up to 2000A/5s in short-term.5mΩ, can sustain 500A current continuously, and can withstand up to 2000A/5s in short-term. The contact material is copper alloy, with a breaking capacity of 2000A/1000Vdc (1 time). The contact material is copper alloy, with a breaking capacity of 2000A/1000Vdc (1 time).

Integration

The product can be optionally equipped with an auxiliary contact version (FC5) for contact status monitoring. The product can be optionally equipped with an auxiliary contact version (FC5) for contact status monitoring. The accompanying connector is compatible with brands Yazaki and THB, with compact installation dimensions (total height 95. The accompanying connector is compatible with brands Yazaki and THB, with compact installation dimensions (total height 95.4mm, width 95mm), weighing approximately 630g, and suitable for equipment integration in limited spaces.
4mm, width 95mm), weighing approximately 630g, and suitable for equipment integration in limited spaces.

Application Scenarios

In terms of application scenarios, the NVR6V-500X DC relay is widely used in the on-off of high-voltage circuits in electric vehicles, battery energy storage system charging and discharging switching, power module protection in DC fast charging stations, UPS DC bus control, and DC-side switches of photovoltaic inverters.In terms of application scenarios, the NVR6V-500X DC relay is widely used in the on-off of high-voltage circuits in electric vehicles, battery energy storage system charging and discharging switching, power module protection in DC fast charging stations, UPS DC bus control, and DC-side switches of photovoltaic inverters.

The product operates within a temperature range of -40°C to +85°C, and its altitude adaptability reaches 4000m (above 2000m requires reduced capacity in accordance with IEC 60947-1). The 50G mechanical shock and 5G random vibration tolerance ensure stable operation in vehicle-mounted and industrial vibration environments.
The product operates within a temperature range of -40°C to +85°C, with altitude adaptability up to 4000m (above 2000m requires reduced capacity in accordance with IEC 60947-1), and has 50G mechanical shock and 5G random vibration tolerance to ensure stable operation in vehicle-mounted and industrial vibration environments.

Installation & Safety

When installing and using, it is important to note: The dual-coil startup must adopt the voltage pulse rising mode, and the voltage slow rise will not cause activation; the copper bus installation must use M8 screws with a torque of 8~10N·m, with a copper bus thickness of 8~10mm, and a flatness of ≤ 0.When installing and using, please note: The dual-coil startup must adopt the voltage pulse rising mode, and the voltage slow rise will not cause activation; the copper bus installation must use M8 screws with a torque of 8~10N·m, with a copper bus thickness of 8~10mm, and a flatness of ≤0.1mm; the installation screws are of M5 specification, with a torque of 3~4N·m, and a need for a washer; it is prohibited to install two copper buses on the same side to prevent short circuits; the contact surface must not be coated with grease or corrosive liquids; for inductive loads (L/R ≥ 1ms), a surge absorption device must be paralleled; otherwise, the electrical lifespan will be shortened. The product complies with RoHS 2.0 standards, with pure copper as the static contact material, and it is necessary to check the oxidation condition before use after long-term storage.
1mm; the installation screws are of M5 specification, with a torque of 3~4N·m, and a need for a washer; it is prohibited to install two copper buses on the same side to prevent short circuits; the contact surface must not be coated with grease or corrosive liquids; for inductive loads (L/R ≥ 1ms), a surge absorption device must be paralleled; otherwise, it will shorten the electrical lifespan. The product complies with RoHS 2.This DC relay integrates ceramic arc extinguishing, dual-coil energy saving, compact and lightweight design, and high vibration resistance.0 standards, with pure copper as the static contact material, and it is necessary to check the oxidation condition before use after long-term storage.

It is currently the most cost-effective and reliable high-voltage DC contactor available on the market.This DC relay integrates ceramic arc extinguishing, dual-coil energy saving, compact and lightweight design, and high vibration resistance. If you need a 12V or 24V coil version, an auxiliary contact version, or special code customization, please contact Chengdu Shouchen Environmental Protection Materials Co., Ltd. for technical support and bulk quotations. It is currently the most cost-effective and reliable high-voltage DC contactor available on the market. If you need a 12V or 24V coil version, an auxiliary contact version, or special code customization, please contact Chengdu Shouchen Environmental Protection Materials Co., Ltd. for technical support and bulk quotations.

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