Sensata Gigavac GV221CAB

Sensata Gigavac GV221CAB is a 200A 800VDC High Voltage DC Contactor for charging safety circuits, battery control panels, auxiliary DC bus switching, and monitored service disconnect systems. This GV22 series High Voltage DC Contactor uses a 24VDC coil, SPST-NO main contact arrangement, auxiliary contacts, flying leads, stud terminals, chassis mounting, and hermetically sealed construction. GV221CAB is a compact High Voltage DC Contactor for applications where 200A capacity is enough and controller feedback is important.

This page positions GV221CAB around monitored charging and battery control rather than high-current main disconnect service. In a charger, battery cabinet, or industrial DC panel, a 200A High Voltage DC Contactor may be used for a branch circuit, charger output, precharge-related path, auxiliary bus, or controlled load connection. The auxiliary contact feature allows the controller to verify contactor state before enabling power transfer, making GV221CAB a useful High Voltage DC Contactor for safety-aware control sequences.

Product Positioning

GV221CAB is positioned as a 24V coil High Voltage DC Contactor for 200A monitored DC circuits. It is suitable for battery charging equipment, energy storage subcircuits, DC service panels, inverter auxiliary inputs, and industrial power modules. The High Voltage DC Contactor provides an 800VDC nominal rating in a smaller current class than GV24 or GV200 models, which can help reduce size and cost when 400A or 500A capacity is not required.

Compared with GV241BAX, GV221CAB has a lower 200A current rating but includes auxiliary contact feedback and uses 24V coil control. Compared with GV221CAX, this High Voltage DC Contactor adds auxiliary feedback. Compared with larger 400A GV24 contactors, GV221CAB is better suited to moderate-current circuits where the system still needs sealed construction and contact-position confirmation.

Key Specifications

• Model: GV221CAB High Voltage DC Contactor.
• Series: Sensata-Gigavac GV22 series High Voltage DC Contactor.
• Main contact form: SPST-NO, 1 Form X High Voltage DC Contactor arrangement.
• Current rating: 200A for charger, battery, and DC branch circuits.
• Switching voltage: 800VDC nominal High Voltage DC Contactor class.
• Coil voltage: 24VDC for industrial and charging control systems.
• Coil current: about 280mA, with approximately 6.8W coil power.
• Features: auxiliary contacts and hermetically sealed construction.
• Termination style: stud terminals with wire leads / flying leads.
• Mounting type: chassis mount High Voltage DC Contactor.
• Operate and release reference: about 20ms operate time and 12ms release time.
• Operating temperature range: -55°C to +85°C.

Features and Benefits

The auxiliary contacts are a central benefit of GV221CAB. In a monitored DC system, the controller should know whether the High Voltage DC Contactor has opened or closed as commanded. Auxiliary feedback can support charger enable logic, BMS state checks, service lockout, fault response, and startup sequencing. This is especially valuable in charging safety circuits where contactor state affects whether the output can be energized.

The 200A rating makes GV221CAB useful for moderate-current paths. Not every circuit requires a 400A or 500A High Voltage DC Contactor. Charger branches, battery subcircuits, auxiliary loads, and controlled DC outputs may be better served by a smaller 200A device. This helps the design avoid unnecessary size while still using a sealed High Voltage DC Contactor suitable for high voltage DC service.

The 24VDC coil fits common industrial and energy control architectures. Chargers, BMS cabinets, PLC panels, and safety modules frequently use 24V auxiliary power. GV221CAB allows the High Voltage DC Contactor to integrate into that control layer while flying leads support flexible harness routing inside the enclosure. The sealed design helps protect the contact system from dust, humidity, oxidation, and temperature variation.

Applications

• Charging safety circuits requiring a 200A High Voltage DC Contactor with feedback.
• Battery management systems using 24V contactor control.
• Energy storage subcircuits and controlled DC branch outputs.
• Auxiliary DC bus switching in inverter or charger cabinets.
• Service disconnect panels where contact-position feedback is required.
• Industrial DC distribution systems with moderate current paths.
• Battery test and validation fixtures requiring monitored switching.

Selection Guide

Select GV221CAB when the design needs a 200A High Voltage DC Contactor, 800VDC nominal rating, 24VDC coil, flying leads, sealed construction, and auxiliary contact feedback. If the system does not require auxiliary feedback, choose a GV221CAX variant. If the current requirement is closer to 400A, choose a GV24 series High Voltage DC Contactor. If the control system uses 12V or 48V, confirm the matching GV22 coil suffix before ordering.

For charging and battery control systems, confirm the expected current, cable size, fuse coordination, precharge behavior, controller input logic, coil driver rating, and service safety sequence. A High Voltage DC Contactor with feedback can improve monitoring, but it still must be coordinated with the complete protection and control design.

FAQ

Does GV221CAB include auxiliary contacts?

Yes. GV221CAB is a High Voltage DC Contactor with auxiliary contacts, allowing the controller to monitor contactor state.

What coil voltage does GV221CAB use?

GV221CAB uses a 24VDC coil, which fits many charger, BMS, industrial control, and energy storage systems.

What current rating does GV221CAB provide?

GV221CAB is a 200A High Voltage DC Contactor with an 800VDC nominal switching class.

When should GV221CAB be used instead of a 400A GV24 model?

Use GV221CAB when the circuit only needs 200A capacity but still requires sealed construction, 24V coil control, and auxiliary feedback from the High Voltage DC Contactor.

Conclusion

Sensata Gigavac GV221CAB is a 200A 800VDC High Voltage DC Contactor for monitored charging safety, battery control, and moderate-current DC distribution circuits. Its 24VDC coil, auxiliary contacts, flying leads, SPST-NO contact form, and sealed GV22 construction make it suitable for systems that need reliable switching plus contact-state feedback. For 24V-controlled branch circuits and charger safety paths, GV221CAB is a practical High Voltage DC Contactor choice.