Sensata Gigavac GX14CBB

Sensata Gigavac GX14CBB is a 350A 800VDC High Voltage DC Contactor for battery disconnect panels, compact DC distribution boxes, charging interfaces, and industrial power switching assemblies. This GX14 series High Voltage DC Contactor uses a 24VDC coil, SPST-NO main contact form, auxiliary contacts, stud terminals, wire leads, and hermetically sealed construction. GX14CBB is a practical High Voltage DC Contactor for systems that need a 24V control coil and contact-state feedback without moving into a larger contactor frame.

This version is best described around battery disconnect and compact distribution work. In those designs, the High Voltage DC Contactor is often mounted near fuses, precharge resistors, current sensors, service disconnects, or busbar links. The contactor must fit the physical layout, support clean power cable routing, and give the control board confirmation that the switching state is correct. GX14CBB answers those needs as a sealed 350A High Voltage DC Contactor for 800VDC-class systems.

Product Positioning

GX14CBB is positioned as a monitored High Voltage DC Contactor for battery packs and DC distribution units that use 24V control electronics. It is suitable for battery modules, industrial power cabinets, compact charger outputs, material handling equipment, and service disconnect boxes. The core value of this High Voltage DC Contactor is its balance of 350A current capacity, sealed switching chamber, auxiliary feedback, and compact GX14 mounting format.

While GX14CCB can be described around longer-lead mobile wiring, GX14CBB is better positioned for compact battery disconnect assemblies where the contactor sits close to the busbar structure and the control harness remains inside the enclosure. This distinction helps reduce duplicate content while keeping the verified specifications unchanged. In a battery disconnect module, the High Voltage DC Contactor can serve as the main positive contactor, main negative contactor, charger contactor, or load contactor depending on system design.

Key Specifications

• Model: GX14CBB High Voltage DC Contactor.
• Series: Sensata-Gigavac GX14 series High Voltage DC Contactor.
• Main contact form: SPST-NO, 1 Form X High Voltage DC Contactor arrangement.
• Rated current: 350A for high-current DC battery and distribution paths.
• Voltage class: 800VDC-class GX14 High Voltage DC Contactor platform.
• Coil voltage: 24VDC, suitable for battery management and industrial control systems.
• Auxiliary contact: yes, supporting feedback and contact-position monitoring.
• Termination style: stud terminals and wire leads.
• Mounting type: chassis mount High Voltage DC Contactor for enclosure installation.
• Sealing: hermetically sealed design for harsh operating environments.
• Operating temperature: commonly listed for GX14 devices as -55°C to +85°C.
• Typical use: battery disconnect, charger isolation, DC bus switching, and compact distribution control.

Features and Benefits

GX14CBB gives system designers a High Voltage DC Contactor that can be integrated into compact battery and power distribution layouts. The chassis-mount format and stud terminals are helpful when the power path is built around cable lugs or busbar connections. The 350A rating makes the High Voltage DC Contactor suitable for medium-to-high current battery equipment where smaller contactors do not provide enough margin.

The auxiliary contact feature is important in battery disconnect applications. A battery management system should know whether the High Voltage DC Contactor is actually open or closed. By using the feedback signal, the controller can compare the contactor command with the contactor response before enabling charging, traction, inverter output, or service operations. This makes GX14CBB a better fit for monitored systems than a contactor without feedback.

The hermetically sealed construction helps protect the contact area from dust, humidity, oxidation, and other environmental factors. A High Voltage DC Contactor used in a battery enclosure may face thermal cycling, vibration, and intermittent exposure to contamination. GX14CBB is designed for demanding conditions, which supports long service life in industrial, mobile, and energy storage equipment.

Applications

• Battery disconnect units requiring a 350A High Voltage DC Contactor.
• Compact DC distribution boxes for industrial power systems.
• Material handling equipment with 24V control electronics.
• Battery management systems that require auxiliary contact feedback.
• Charger input or output isolation circuits in 800VDC-class platforms.
• Inverter DC bus switching where a compact High Voltage DC Contactor is preferred.
• Service disconnect panels for electric vehicles, battery packs, and industrial machines.

Selection Guide

Select GX14CBB when the application needs a 350A High Voltage DC Contactor with 24VDC coil control, auxiliary contact feedback, sealed construction, and compact enclosure mounting. If the design needs a 12V coil, choose the proper GX14B suffix. If the project requires a different lead length or harness routing option, compare GX14CCB and related GX14 variants. If the design requires higher voltage above the GX14 platform or significantly higher current, select a different High Voltage DC Contactor family.

For battery disconnect designs, verify continuous current, short-circuit protection, fuse coordination, cable size, busbar clearance, and precharge timing. The High Voltage DC Contactor should work with the full protection strategy, not as a standalone safety device. When used correctly, GX14CBB can simplify compact DC switching assemblies because it combines power switching and feedback in one sealed contactor package.

FAQ

Is GX14CBB suitable for battery disconnect systems?

Yes. GX14CBB is a 350A 800VDC-class High Voltage DC Contactor with a 24VDC coil and auxiliary contacts, making it suitable for battery disconnect and monitored DC switching systems.

Does GX14CBB provide contact feedback?

Yes. GX14CBB includes auxiliary contacts, which allow the control system to monitor whether the High Voltage DC Contactor has opened or closed as expected.

What is the main difference between GX14CBB and GX14CCB?

Both are 24V GX14 High Voltage DC Contactor variants with 350A capacity and auxiliary feedback. GX14CCB is commonly identified with a 48-inch lead configuration, while GX14CBB is best selected by checking the exact harness and suffix requirement for the enclosure.

Can GX14CBB be used in industrial DC distribution?

Yes. GX14CBB can be used as a High Voltage DC Contactor in industrial DC distribution panels, charger isolation circuits, and battery-controlled power paths when the electrical ratings match the application.

Conclusion

Sensata Gigavac GX14CBB is a 350A 800VDC High Voltage DC Contactor for compact battery disconnect, DC distribution, and monitored switching systems. Its 24VDC coil, auxiliary contacts, sealed construction, stud terminals, and chassis-mount format make it suitable for industrial and mobile power designs that need reliable contactor feedback. For battery packs, charger interfaces, and compact DC control boxes, GX14CBB is a practical High Voltage DC Contactor when 350A capacity and 24V control are required.