Sensata Gigavac GV200CAB-1

Sensata Gigavac GV200CAB-1 is a 500A 800VDC High Voltage DC Contactor from the GV200 series, designed for EV power systems, high-current battery packs, inverter input control, charger interfaces, and heavy DC distribution assemblies. This High Voltage DC Contactor uses an SPST-NO-DM main contact form, a 24VDC coil, stud power terminals, wire lead control termination, chassis mounting, auxiliary contact functionality, and hermetically sealed construction. It is a strong option when the application needs more current capacity than 350A or 400A contactors while staying within an 800VDC-class architecture.

GV200CAB-1 is built for demanding DC switching where current capacity, sealed reliability, and low-power control behavior matter. The 500A rating supports substantial battery and inverter paths, while the GV200 platform is intended for battery-powered systems and applications where efficient coil operation is important. The sealed contact chamber helps protect the internal switching system from moisture, dust, and contamination, supporting stable performance in vehicles, power cabinets, industrial machines, and high-current DC equipment.

Product Positioning

GV200CAB-1 should be positioned as a 500A High Voltage DC Contactor for EV power systems and heavy battery distribution. Compared with GV14 or GX14 350A contactors, this model provides higher current capability. Compared with HX 1500VDC contactors, GV200CAB-1 is better suited to 800VDC-class systems where 500A current capacity is the main requirement rather than 1500V voltage headroom.

The 24VDC coil makes this High Voltage DC Contactor practical for vehicle and industrial control systems that already use 24V auxiliary power. The auxiliary contact allows the controller to monitor switching state, support interlock logic, verify commanded operation, and coordinate precharge or shutdown sequences. This feedback is especially useful in EV power systems where contactor status affects safe energization of downstream equipment.

Key Specifications

• Manufacturer series: Sensata Gigavac GV200
• Part number: GV200CAB-1
• Product type: High Voltage DC Contactor
• Main contact form: SPST-NO-DM / 1 Form X
• Rated current: 500A
• Rated DC voltage: 800VDC / 12-800VDC range according to distributor listings
• Coil voltage: 24VDC
• Coil type: DC dual low-power coil / internal coil suppression referenced by public listings
• Power termination: stud terminals
• Control termination: wire leads / flying leads
• Lead length: 38 cm / 15 in according to public listing
• Mounting style: chassis mount
• Auxiliary contact: included, SPST-NO auxiliary contact referenced by public listing
• Construction: hermetically sealed
• Operating temperature range: -55°C to +85°C
• Must operate voltage: approximately 16VDC according to DigiKey data
• Must release voltage: approximately 2VDC according to DigiKey data
• Typical operate time: approximately 20ms
• Typical release time: approximately 12ms

Features and Benefits

The main benefit of GV200CAB-1 is its 500A current rating in an 800VDC-class sealed contactor package. A High Voltage DC Contactor in this class can switch main battery paths, inverter inputs, charger outputs, DC bus sections, and protected high-current branches where smaller contactors may not provide enough current margin.

The 24VDC coil supports common vehicle and industrial auxiliary power architectures. Many EV platforms, service vehicles, power conversion cabinets, and battery management systems use 24VDC for contactors, controllers, sensors, relays, fans, and protection circuits. Selecting GV200CAB-1 helps keep the coil supply aligned with that control architecture.

The auxiliary contact supports monitored switching. Instead of relying only on coil command, a controller can verify whether the High Voltage DC Contactor has changed state. This can support precharge coordination, inverter enable logic, charger interlocks, maintenance lockout, and fault diagnostics in high-current EV and battery systems.

Stud terminals provide secure high-current connection points for cables or busbars. The 38 cm wire leads allow coil and auxiliary wiring to route to a nearby harness, controller, or safety board. This installation style works well when the contactor must be mounted close to the main DC conductors while low-voltage control wiring is routed separately.

Hermetically sealed construction helps protect the internal contact system from dust, humidity, and contamination. A sealed High Voltage DC Contactor is valuable in vehicle compartments, charging equipment, industrial power cabinets, and mobile machines where vibration and environmental exposure can affect open switching devices.

Applications

GV200CAB-1 is especially suitable for EV power systems and high-current battery packs. In an electric vehicle, utility platform, or battery-powered machine, this High Voltage DC Contactor can serve as a main positive contactor, main negative contactor, inverter input contactor, charger interface contactor, or high-current branch isolation device.

The contactor can also be used in charging equipment, industrial DC distribution, battery energy storage support systems, power conversion cabinets, mobile electrification platforms, and heavy auxiliary power modules. Its 500A rating makes it useful when 350A or 400A models are not enough, while its 800VDC class keeps it focused on high-current battery and inverter systems rather than 1500V architectures.

Selection Guide

Before selecting GV200CAB-1, confirm maximum DC bus voltage, continuous current, peak current, inrush current, switching duty, and load type. This High Voltage DC Contactor is intended for 500A and 800VDC-class use, but final suitability depends on circuit energy, precharge design, cable or busbar sizing, thermal rise, fuse coordination, and operating environment.

The coil supply should be a stable 24VDC source. Designers should verify coil driver capability, auxiliary contact wiring, lead routing, terminal clearance, mounting orientation, vibration exposure, and service access. If the design requires a lower current rating, GV14, GX14, GV24, or GX series models may be more compact. If the design requires 1500VDC capability, HX series models should be reviewed instead.

FAQ

What is GV200CAB-1 used for?

GV200CAB-1 is used for EV power systems, high-current battery packs, inverter inputs, charger interfaces, industrial DC buses, and 800VDC-class power switching.

Is GV200CAB-1 a High Voltage DC Contactor?

Yes. GV200CAB-1 is a Sensata Gigavac GV200 series High Voltage DC Contactor with 500A current rating and 800VDC switching capability.

What coil voltage does GV200CAB-1 use?

GV200CAB-1 uses a 24VDC coil. DigiKey lists 16VDC must-operate voltage and 2VDC must-release voltage.

Does GV200CAB-1 include auxiliary contacts?

Yes. DigiKey lists auxiliary contacts, and other public listings reference SPST-NO auxiliary contact functionality.

How is GV200CAB-1 different from GX14CAB?

GV200CAB-1 is a 500A GV200 contactor for heavier current paths, while GX14CAB is a 350A GX14 contactor. Both are 800VDC-class High Voltage DC Contactor options with 24VDC coil configurations.

Conclusion

GV200CAB-1 is a 500A 800VDC High Voltage DC Contactor for EV power systems, battery packs, inverter interfaces, charger paths, and heavy DC distribution. With its Sensata Gigavac GV200 sealed construction, 24VDC coil, stud terminals, 38 cm wire leads, chassis mounting, and auxiliary contact feedback, it is a practical choice for OEM systems that need reliable high-current 800VDC switching with monitored control.