Sensata Gigavac GV221BAX

Sensata Gigavac GV221BAX is a GV22 series High Voltage DC Contactor designed for compact energy storage systems, battery disconnect boxes, charger support circuits, and 800VDC DC power modules. This High Voltage DC Contactor provides 200A current capacity, 800VDC switching voltage, 12VDC coil control, SPST-NO contact form, flying leads, upright mounting, and hermetically sealed construction. GV221BAX is a practical High Voltage DC Contactor when a system needs more capacity than a small relay but does not require a 400A or 600A contactor.

The GV221BAX High Voltage DC Contactor is suitable for rack-level battery branches, modular ESS cabinets, compact inverter interfaces, and service disconnect circuits. In these systems, the High Voltage DC Contactor can connect or isolate a protected DC path under controller command. The 12VDC coil makes GV221BAX useful in equipment that already uses a 12V auxiliary controller, while the flying leads make the High Voltage DC Contactor easier to route inside compact enclosures.

Product Positioning

GV221BAX is positioned as a compact 200A High Voltage DC Contactor for 800VDC battery and power conversion systems. It is not a low-voltage MX contactor and not a 1500V GTM contactor. GV221BAX fits the middle range where the equipment requires an 800VDC High Voltage DC Contactor, but the current path is moderate rather than heavy traction level.

The main application angle for GV221BAX is compact ESS branch switching. A High Voltage DC Contactor in this role may be installed at a battery rack output, charger interface, inverter input branch, or DC service disconnect point. The sealed GV22 construction helps the High Voltage DC Contactor resist dust, moisture, and service environment contamination.

Key Specifications

• Model: GV221BAX
• Brand: Sensata-Gigavac
• Series: GV22
• Product type: High Voltage DC Contactor
• Current rating: 200A High Voltage DC Contactor class
• Switching voltage: 800VDC High Voltage DC Contactor class
• Coil voltage: 12VDC coil for High Voltage DC Contactor control
• Contact form: SPST-NO-DM / 1 Form X
• Termination style: flying leads
• Mounting style: upright mount
• Construction: hermetically sealed High Voltage DC Contactor body
• Typical role: compact ESS High Voltage DC Contactor, battery disconnect High Voltage DC Contactor, charger interface High Voltage DC Contactor

Features and Benefits

The first benefit of GV221BAX is its 800VDC switching capability. A High Voltage DC Contactor selected for an ESS or battery cabinet must match the voltage class of the system. GV221BAX gives designers an 800VDC High Voltage DC Contactor in a compact 200A package.

The second benefit of GV221BAX is the 12VDC coil. Some compact battery systems, mobile energy modules, and service devices use 12V control electronics. A 12VDC High Voltage DC Contactor can fit those platforms without requiring a separate 24V coil supply.

The third benefit is flying lead installation. Flying leads allow the High Voltage DC Contactor to be mounted near the DC power path while the control wires route to a BMS, relay board, or terminal strip. This makes GV221BAX useful in tight ESS cabinets and battery disconnect boxes.

The fourth benefit is sealed construction. A High Voltage DC Contactor used inside a battery system may face humidity, vibration, temperature change, and maintenance exposure. The sealed GV221BAX High Voltage DC Contactor helps protect the switching chamber and supports dependable operation.

Applications

GV221BAX is commonly used as a High Voltage DC Contactor in compact ESS systems. It can switch a battery rack branch, isolate a charger input, control an inverter interface, or disconnect a protected DC load. The GV221BAX High Voltage DC Contactor is also suitable for modular DC distribution where each branch needs its own switching device.

In charging and service equipment, this High Voltage DC Contactor can control a moderate-current 800VDC path. In battery test equipment, GV221BAX can act as a controlled connection point between the pack and the test load. In renewable energy support cabinets, the High Voltage DC Contactor can isolate a DC branch before service or fault recovery.

Selection Guide

Select GV221BAX when the design needs a 200A High Voltage DC Contactor with 800VDC switching voltage, 12VDC coil control, flying leads, and upright mounting. If the controller uses 24VDC, choose another GV22 High Voltage DC Contactor. If the current requirement is 400A or higher, review a GV24, GX14, GX16, or GTM High Voltage DC Contactor.

Before replacing another contactor with GV221BAX, confirm current rating, maximum DC voltage, coil voltage, lead routing, mounting clearance, thermal conditions, fuse coordination, and precharge requirements. A High Voltage DC Contactor should always be selected as part of the complete battery safety design.

FAQ

Is GV221BAX a High Voltage DC Contactor?

Yes. GV221BAX is a Sensata-Gigavac GV22 High Voltage DC Contactor rated for 200A and 800VDC switching.

What coil voltage does GV221BAX use?

The GV221BAX High Voltage DC Contactor uses a 12VDC coil.

What termination style does GV221BAX use?

GV221BAX uses flying leads, making the High Voltage DC Contactor practical for compact cabinet wiring.

Where is GV221BAX commonly used?

GV221BAX is commonly used as a High Voltage DC Contactor in compact ESS branches, battery disconnect boxes, charger interfaces, inverter support circuits, and modular DC power systems.

Conclusion

Sensata Gigavac GV221BAX is a 200A, 800VDC High Voltage DC Contactor with 12VDC coil control, flying leads, upright mounting, SPST-NO contact form, and hermetically sealed construction. GV221BAX is a practical High Voltage DC Contactor for compact ESS cabinets, battery disconnect systems, charger interfaces, and modular DC distribution equipment that needs reliable 12V-controlled switching.