Sensata Gigavac GX26BAB

Sensata Gigavac GX26BAB is a GX26 series High Voltage DC Contactor built for heavy vehicle battery systems, mobile machinery, marine battery packs, and high-current 800VDC-class power platforms. This High Voltage DC Contactor provides 600A current capacity, 800VDC maximum switching voltage, 12VDC coil control, SPST-NO main contact form, normally open auxiliary feedback, flying leads, stand-up mounting, and hermetically sealed EPIC construction. For equipment that uses 12V control electronics but switches a high-current DC bus, the GX26BAB High Voltage DC Contactor is a practical heavy-duty option.

The GX26BAB High Voltage DC Contactor is best positioned for rugged battery main switching rather than compact auxiliary circuits. A 600A High Voltage DC Contactor can support large traction packs, vehicle-mounted energy systems, battery-electric work platforms, and DC power cabinets where smaller 150A or 350A contactors are not enough. The 12VDC coil makes this High Voltage DC Contactor especially useful in mobile platforms that already use a 12V service battery or vehicle control rail.

Product Positioning

GX26BAB is positioned as a heavy vehicle High Voltage DC Contactor for 12V-controlled battery systems. The stand-up GX26 package helps designers place the High Voltage DC Contactor in a power compartment without specially routed busbars or unusual cable paths. The normally open auxiliary contact allows a BMS, VCU, or safety controller to confirm High Voltage DC Contactor status before enabling drive, charge, or service functions.

This High Voltage DC Contactor is suitable for harsh operating environments. The GX family is known for sealed construction, vibration-resistant design, and high reliability in EV, ESS, and power management systems. For battery systems exposed to movement, service access, moisture, and temperature change, the GX26BAB High Voltage DC Contactor provides a sealed switching point for high-current DC circuits.

Key Specifications

• Model: GX26BAB
• Brand: Sensata-Gigavac
• Series: GX26
• Product type: High Voltage DC Contactor
• Current rating: 600A High Voltage DC Contactor class
• Switching voltage: 800VDC maximum High Voltage DC Contactor class
• Coil voltage: 12VDC coil for High Voltage DC Contactor control
• Main contact form: SPST-NO-DM / 1 Form X
• Auxiliary contact: SPST normally open auxiliary contact
• Coil termination: flying leads
• Mounting style: stand-up / chassis mount
• Construction: hermetically sealed EPIC High Voltage DC Contactor body
• Typical role: heavy vehicle battery main contactor, traction pack contactor, mobile ESS contactor

Features and Benefits

The first benefit of GX26BAB is high current capacity. A 600A High Voltage DC Contactor can carry demanding battery and inverter loads in heavy vehicles, marine DC systems, and industrial mobile equipment. This makes the GX26BAB High Voltage DC Contactor suitable for main battery isolation, drive inverter connection, and high-current DC branch control.

The second benefit is 12V coil compatibility. Many mobile machines and vehicles use 12V control power even when the traction battery operates at higher voltage. A 12VDC coil High Voltage DC Contactor can simplify the control architecture and reduce the need for separate coil power supplies.

The third benefit is monitored switching. The normally open auxiliary contact helps the controller verify whether the High Voltage DC Contactor has responded to a command. This can support precharge sequencing, service lockout, drive enable logic, charger interlocks, and fault response.

The fourth benefit is sealed EPIC construction. A High Voltage DC Contactor in mobile equipment may face vibration, water exposure, dust, and heat. The sealed GX26 design helps protect the switching chamber and supports stable performance in harsh installations.

Applications

GX26BAB is a strong High Voltage DC Contactor choice for heavy vehicle battery packs. It can be used as a main positive contactor, battery disconnect contactor, or drive inverter contactor. In marine power systems, this High Voltage DC Contactor can switch a high-current battery path while using 12V control wiring common in marine equipment.

In mobile energy storage and off-highway machinery, the GX26BAB High Voltage DC Contactor can control battery output, charger input, service isolation, or high-current DC distribution. The High Voltage DC Contactor should be coordinated with precharge hardware, fuses, insulation monitoring, thermal design, and auxiliary feedback logic.

Selection Guide

Select GX26BAB when the system needs a 600A High Voltage DC Contactor, 800VDC maximum switching capability, 12VDC coil control, flying leads, and normally open auxiliary feedback. If the controller uses 24VDC, another GX26 or GX16 High Voltage DC Contactor may be more suitable. If the design requires no auxiliary feedback, verify the matching suffix before purchase.

FAQ

Is GX26BAB a High Voltage DC Contactor?

Yes. GX26BAB is a Sensata-Gigavac GX26 High Voltage DC Contactor rated for 600A and 800VDC maximum switching.

What coil voltage does this High Voltage DC Contactor use?

This High Voltage DC Contactor uses a 12VDC coil.

Does GX26BAB include auxiliary feedback?

Yes. GX26BAB is configured with a normally open auxiliary contact for monitored High Voltage DC Contactor operation.

Where is this High Voltage DC Contactor commonly used?

It is commonly used in heavy vehicle batteries, marine battery systems, off-highway equipment, traction packs, and mobile energy storage systems.

Conclusion

Sensata Gigavac GX26BAB is a 600A, 800VDC High Voltage DC Contactor with 12VDC coil control, SPST-NO main contacts, normally open auxiliary feedback, flying leads, stand-up mounting, and sealed EPIC construction. It is a strong High Voltage DC Contactor for heavy vehicle battery packs, mobile power systems, marine DC platforms, and rugged high-current equipment that needs reliable 12V-controlled switching.