Name: High Voltage DC Contactor GVB351-CAB 1000VDC 500A for industrial use
Brand: Beian New Energy | Lithium Battery, ESS System, DC Contactor Supplier

Description

1000V DC Switching Rated Current 500A SPST-NO-DM Dual Coil 12/24/48Vdc

Technical Specifications

Parameter	Value
Model	GVB351-CAB
Brand	GIGAVAC
Rated Load Voltage	1000VDC
Rated Load Current	500A
Coil Voltage	DC12V / DC24V / DC48V
Contact Arrangement	Main: SPST-NO · Auxiliary: SPST-NO
Mechanical Life	300,000 cycles
Contact Resistance (Max)	0.2 mΩ
Insulation Resistance	100 MΩ @ 1000VDC
Dielectric Strength	4000VAC
Environmental Seal	IP67 & IP69K
Short Circuit Withstand	20 ms @ 4,000A
Salt Fog	MIL-STD-810
Certification	CE / CCC, UL 60947-4-1

Product Details

GVB351-CAB 1000VDC 500A High Voltage DC Contactor — overview

GVB351-CAB dimensional drawing and technical parameters

GVB351-CAB internal structure and wiring diagram

Key Advantages

Feature	Benefit
✅ High-Efficiency Dual DC Coils	Very low 12/24/48 VDC coil power, no EMI or cross-talk — ideal for battery-powered systems.
✅ Arc-Suppression Gas	High fault-interrupt capability, rapid arc cooling, higher system efficiency and less heat.
✅ Built-In Coil Suppression	Saves engineering time and parts cost by removing external coil suppression.
✅ Not Position-Sensitive	Can be mounted in any position for easy installation in tight enclosures.
✅ IP67 & IP69K Sealed	Withstands dust, water and high-pressure washdown for harsh vehicle / outdoor use.

Certifications

CE / CCC · UL 60947-4-1

GVB351 meets CE/CCC and UL 60947-4-1 standards. Test reports and certificates are available on request from our Download center.

Product Applications

Application	Description
⚡ EV DC Fast Charging	Connect/disconnect up to 1000VDC in high-power charging piles and DC fast chargers.
🔋 Energy Storage Systems	Battery pack switching for grid-tied / off-grid ESS, BESS cabinets and UPS systems.
🚛 Battery Electric Mobility	Suitable for AGV, forklifts, electric trucks and special-purpose electric vehicles.
🧪 Battery Testing Equipment	High-current make/break in battery charge-discharge and test stations.

Ordering & Factory Info

Item	Detail
Brand / Origin	GIGAVAC · Jiangsu, China
MOQ	Flexible — contact sales for sample & volume pricing
Lead Time	4–6 weeks
Payment	T/T, Trade Assurance, etc. (confirm with sales)
Customization	OEM coil voltage options (12V / 24V / 48V) and auxiliary arrangements available
Warranty	1 year

Frequently Asked Questions

Q1. What is the rated voltage and current?

The GVB351 is rated for 1000VDC / 500A continuous load current, suitable for high-power EV charging, energy storage and battery test systems.

Q2. Which coil voltages are available?

Standard dual-coil options are DC12V, DC24V and DC48V. Other coil voltages can be discussed with our engineers.

Q3. What is the IP rating?

GVB351 is sealed to IP67 and IP69K, protecting against dust, water jets and high-pressure washdown.

Q4. What certifications does it carry?

CE/CCC and UL 60947-4-1. Certificates and test reports are available on request.

Q5. What are the MOQ and lead time?

MOQ is flexible for samples and trial orders. Standard lead time is typically 4–6 weeks; confirm with sales for exact schedule.

Q6. Can I use it for bidirectional current?

The GVB351 is designed for unidirectional DC switching. For bidirectional load currents, contact our sales team to discuss a suitable GVB351 variant.