Sensata Gigavac GV244PPX

Sensata Gigavac GV244PPX is a 400A 800VDC High Voltage DC Contactor from the GV24 series, designed for demanding DC power switching in industrial distribution, energy storage, charging support equipment, and heavy-duty battery systems. This High Voltage DC Contactor uses an SPST-NO main contact arrangement, a 12/24VDC external PWM coil configuration, PCB M8 mounting, PC pin termination, and sealed construction. For OEM designs that need a compact High Voltage DC Contactor for high-current DC power control, GV244PPX provides a strong balance of electrical capacity, installation flexibility, and environmental protection.

As a GV24 series High Voltage DC Contactor, GV244PPX is built for 800VDC-class systems where current carrying ability and switching reliability are critical. The contactor is suitable for controlled connection and isolation of DC buses, battery strings, power conversion equipment, and distribution branches. Its sealed construction helps protect the contact system from moisture, dust, and contamination, while the PCB M8 mounting option supports cleaner OEM assembly and reduced wiring complexity.

Product Positioning

GV244PPX is positioned as a High Voltage DC Contactor for industrial DC distribution systems that require 400A current capacity and 800VDC nominal switching capability. Compared with lower-current contactors, this model is better suited for larger battery packs, DC cabinets, inverter input circuits, power conversion units, and protected distribution modules. Compared with auxiliary-contact versions, GV244PPX is a simpler no-auxiliary-contact option for systems where contact status feedback is handled elsewhere or not required.

The 12/24VDC external PWM coil configuration makes this High Voltage DC Contactor useful in designs where the control strategy is managed by an external economizer or PWM driver. This can help reduce coil power during hold operation and gives engineers more control over the contactor drive circuit. GV244PPX is especially appropriate for industrial power assemblies that already use 12VDC or 24VDC control architecture.

Key Specifications

• Manufacturer series: Sensata Gigavac GV24
• Part number: GV244PPX
• Product type: High Voltage DC Contactor
• Contact arrangement: SPST-NO, normally open
• Rated current: 400A
• Nominal switching voltage: 800VDC
• Coil voltage: 12/24VDC external PWM
• Mounting style: PCB M8 mounting
• Termination style: PC pins
• Auxiliary contacts: none
• Construction: hermetically sealed GV series design
• Operating temperature range: -55°C to +85°C
• Operate time: approximately 20ms according to distributor data
• Release time: approximately 12ms according to distributor data

Features and Benefits

The main benefit of GV244PPX is its ability to switch and carry high DC current in a compact sealed package. As a 400A High Voltage DC Contactor, it supports demanding power paths in industrial distribution cabinets, battery systems, and DC link control circuits. The normally open contact design keeps the main circuit open until the coil drive is applied, which is commonly required for controlled start-up, service isolation, emergency shutdown, and protected DC branch switching.

The 800VDC rating allows this High Voltage DC Contactor to support higher-voltage DC architectures than 100V or 400V class devices. This makes it suitable for modern power systems where battery strings, chargers, inverters, and DC distribution equipment operate at elevated voltage levels. The sealed GV24 design helps improve reliability in harsh environments, including locations with dust, vibration, humidity, or temperature changes.

GV244PPX uses PC pin termination and PCB M8 mounting, which can help OEMs simplify assembly and reduce wiring. Instead of routing separate coil wires in every design, the contactor can be integrated into a board-supported control architecture. This is useful for repeatable production builds, compact power modules, and industrial DC assemblies where layout consistency matters. The external PWM coil option also allows the drive circuit to be matched to the system control strategy.

Applications

GV244PPX is well suited for industrial DC distribution, which is the recommended application focus for this model. In a DC distribution cabinet, this High Voltage DC Contactor can be used to connect or isolate battery strings, inverter inputs, DC output branches, charger interfaces, and protected power sections. The 400A current rating gives it enough capacity for demanding distribution paths, while the 800VDC voltage rating supports higher-voltage energy and power conversion systems.

This High Voltage DC Contactor can also be used in battery energy storage systems, renewable energy equipment, heavy-duty charging infrastructure, electric utility equipment, and mobile power platforms. In these applications, GV244PPX can support controlled energization, branch isolation, maintenance disconnect, and fault-response switching when paired with suitable fusing, precharge circuits, and control logic. Its sealed package makes it useful where long service life and stable operation are expected in industrial environments.

Selection Guide

Before selecting GV244PPX, confirm the system voltage, continuous current, peak current, inrush current, and expected switching duty. This High Voltage DC Contactor is intended for 800VDC-class applications and 400A current paths, but the final design must still account for load type, DC arc behavior, cable or busbar sizing, thermal rise, and protective device coordination. Capacitive loads, inverter inputs, and battery systems may require a precharge path before the main contactor closes.

The coil drive should be reviewed carefully. GV244PPX uses a 12/24VDC external PWM coil configuration, so the system must provide the correct driver or economizer behavior. If the application needs built-in coil suppression with a standard 12VDC, 24VDC, or 48VDC coil, another GV24 variant may be more appropriate. If contact status feedback is required, choose a version with auxiliary contacts, because GV244PPX is the no-auxiliary-contact configuration.

FAQ

Is GV244PPX a normally open contactor?

Yes. GV244PPX is an SPST-NO High Voltage DC Contactor, so the main contacts remain open until the coil drive closes the contactor.

What voltage and current is GV244PPX rated for?

GV244PPX is a 400A High Voltage DC Contactor with an 800VDC nominal switching voltage rating in the GV24 series.

Does GV244PPX include auxiliary contacts?

No. Based on the GV24 ordering code, the final X indicates no auxiliary contacts. If feedback contacts are required, a related GV24 model with B or C auxiliary contact designation should be selected.

What coil configuration does GV244PPX use?

GV244PPX uses a 12/24VDC external PWM coil configuration. The system designer should provide the correct external PWM or economizer drive circuit according to the datasheet requirements.

Where is this model commonly used?

This High Voltage DC Contactor is commonly used in industrial DC distribution, battery energy storage, inverter systems, charging support equipment, and high-current DC power control assemblies.

Conclusion

GV244PPX is a 400A 800VDC High Voltage DC Contactor for industrial DC distribution and high-current power control. With its GV24 sealed construction, SPST-NO contact arrangement, 12/24VDC external PWM coil, PCB M8 mounting, and PC pin termination, it is a practical option for OEM systems that need compact and reliable DC switching. For applications that do not require auxiliary feedback contacts, GV244PPX offers a focused configuration for rugged DC power isolation and distribution control.