Sensata Gigavac GV241QAX

Sensata Gigavac GV241QAX is a 400A 800VDC High Voltage DC Contactor from the GV24 series, designed for battery test benches, high-voltage validation equipment, DC load banks, inverter development platforms, and controlled power cycling systems. This High Voltage DC Contactor combines a 48VDC external PWM coil configuration, stud power terminals, wire lead control termination, chassis mounting, sealed construction, and a no-auxiliary-contact configuration. It is a strong option when engineers need high-current DC switching with a 48V coil drive strategy and flexible wired installation.

GV241QAX is different from standard dual-coil GV24 variants because it is built around an external PWM drive approach. That gives the system designer more control over pull-in and hold behavior, which can be useful in test equipment and power cycling systems where coil heating, energy consumption, and repeatable sequencing matter. As a High Voltage DC Contactor rated for 800VDC and 400A, it can serve demanding DC paths without moving into larger 1500V contactor platforms.

Product Positioning

GV241QAX should be positioned as a 48V PWM High Voltage DC Contactor for engineered DC test and validation systems. Instead of focusing only on vehicle battery disconnect or general storage cabinets, this model fits equipment where contactor operation is part of a controlled test sequence. Examples include battery pack cycling, inverter input switching, DC source routing, load bank control, and prototype powertrain validation.

The no-auxiliary-contact configuration is useful when the test system already measures bus voltage, current flow, command state, or load response through external instrumentation. In those cases, the High Voltage DC Contactor does not need a built-in auxiliary feedback contact. The result is a focused GV24 configuration for systems that rely on their own measurement hardware and control software.

Key Specifications

• Manufacturer series: Sensata Gigavac GV24
• Part number: GV241QAX
• Product type: High Voltage DC Contactor
• Main contact form: SPST-NO-DM / 1 Form X
• Rated current: 400A
• Nominal switching voltage: 800VDC
• Coil voltage: 48VDC
• Coil type: external PWM
• Power termination: stud terminals
• Control termination: wire leads / flying leads
• Mounting style: chassis mount / upright mounting
• Auxiliary contact: none
• Construction: hermetically sealed
• Operating temperature range: -55°C to +85°C
• Typical operate time: approximately 20ms according to distributor data
• Typical release time: approximately 12ms according to distributor data

Features and Benefits

The main feature of GV241QAX is its 48VDC external PWM coil configuration. A PWM-driven High Voltage DC Contactor allows the equipment controller or external driver to manage the coil profile rather than relying only on an internal economizer. This can help reduce holding power, limit temperature rise, and support repeatable operation in benches that run long cycling programs.

The 400A current rating supports demanding DC test paths. Battery validation systems, inverter benches, and DC load banks often need contactors that can carry high current repeatedly while maintaining predictable switching behavior. GV241QAX provides this capability in the GV24 platform, with an 800VDC voltage class suited to many high-voltage battery and power electronics systems.

Stud terminals make the contactor practical for cable or busbar connections. Test benches and prototype equipment often change layout during development, so secure high-current studs and flexible wire leads can be easier to work with than board-only versions. This High Voltage DC Contactor can be mounted in a cabinet, fixture, or power bay while the control leads route back to the driver electronics.

The sealed construction helps protect the internal contact system from dust, humidity, and airborne contamination. In validation labs and industrial test areas, equipment may run for long hours and experience repeated duty cycles. A sealed High Voltage DC Contactor helps maintain consistent switching performance under those operating conditions.

Applications

GV241QAX is especially suitable for battery test benches and high-voltage validation platforms. In a pack cycling system, this High Voltage DC Contactor can connect a battery to a load bank, isolate a charger path, switch an inverter input, or control a DC source during automated test sequences. The 48V external PWM coil configuration allows the control system to manage energization behavior as part of the test profile.

It can also be used in inverter development, electric drivetrain labs, high-current DC distribution fixtures, charger qualification systems, and industrial power cycling equipment. The 800VDC voltage class and 400A current rating make GV241QAX appropriate for many high-voltage development environments where compact 100V devices are not sufficient.

For production equipment, GV241QAX may be used in DC cabinets, mobile electrification systems, charging support modules, and renewable energy power conversion assemblies when the design calls for a 48V external PWM coil and no auxiliary contacts. The final role should be confirmed against switching duty, thermal behavior, protection strategy, and control architecture.

Selection Guide

Before selecting GV241QAX, confirm the DC bus voltage, continuous current, peak current, inrush current, switching frequency, and expected duty cycle. This High Voltage DC Contactor is intended for 800VDC-class systems and 400A current paths, but real application limits depend on load type, precharge strategy, busbar design, cable sizing, heat rise, and protective device coordination.

The coil driver must be reviewed carefully. GV241QAX uses a 48VDC external PWM coil, so the system should provide the correct pull-in and hold control according to the datasheet requirements. If the application needs a standard 24V or 48V dual-coil configuration with simpler drive requirements, another GV24 variant may be more appropriate.

If direct contact position feedback is required, GV241QAX may not be the best configuration because it is listed as a no-auxiliary-contact model. For monitored safety loops, choose a related GV24 model with auxiliary contact functionality. For instrumented test benches that already verify contactor operation through voltage and current measurements, GV241QAX remains a focused High Voltage DC Contactor option.

FAQ

What is GV241QAX used for?

GV241QAX is used for battery test benches, inverter validation, DC load banks, high-current power cycling systems, and 800VDC-class DC switching equipment.

Is GV241QAX a High Voltage DC Contactor?

Yes. GV241QAX is a GV24 series High Voltage DC Contactor with 400A current rating and 800VDC nominal switching capability.

What coil configuration does GV241QAX use?

GV241QAX uses a 48VDC external PWM coil configuration, so the control system should provide the correct external PWM drive strategy.

Does GV241QAX include auxiliary contacts?

No. GV241QAX is listed as a no-auxiliary-contact configuration. Choose a related GV24 model with auxiliary contacts if feedback is required.

How is GV241QAX different from GV241QPX?

GV241QAX uses stud terminals and wire leads with chassis mounting, while GV241QPX is commonly associated with PC pin termination and PCB M8 mounting. Both use a 48V external PWM coil configuration in the GV24 family.

Conclusion

GV241QAX is a 400A 800VDC High Voltage DC Contactor for battery test benches, inverter validation systems, DC load banks, and engineered high-current switching platforms. With its Sensata Gigavac GV24 sealed construction, 48VDC external PWM coil, stud terminals, wire leads, chassis mounting, and no-auxiliary-contact configuration, it is a practical choice for systems that need controlled 48V PWM coil drive and reliable 800VDC-class power switching.