Sensata Gigavac GV124CPX

Sensata Gigavac GV124CPX is a compact 200A 100VDC High Voltage DC Contactor developed for low-voltage DC distribution, industrial control panels, auxiliary battery circuits, and equipment platforms that use 24VDC control power. Instead of targeting large 800V energy storage cabinets, GV124CPX is better suited to 100VDC-class systems where space, simple wiring, and sealed switching reliability are the main selection priorities. This High Voltage DC Contactor belongs to the GV12 series and provides an SPST-NO contact arrangement, 24VDC coil, PCB pin termination, hermetically sealed construction, and no auxiliary contact.

GV124CPX is useful when an OEM needs a straightforward power switching device without extra feedback contacts. The main circuit remains open until the coil is energized, allowing the controller to connect or isolate the DC path only when operation is required. In compact power modules, service disconnect boxes, low-voltage battery equipment, and industrial DC branch circuits, this High Voltage DC Contactor helps simplify controlled switching while keeping the component footprint manageable.

Product Positioning

GV124CPX should be positioned as a 24V coil High Voltage DC Contactor for 100VDC-class equipment. Its 200A rating makes it suitable for medium-current DC circuits, while the PCB pin format supports board-level or module-level assembly. This is different from larger GV22 or GV24 models that are selected for 800VDC systems. GV124CPX is more appropriate when the system voltage is lower, the control supply is 24VDC, and the design does not require an auxiliary feedback contact.

The no-auxiliary-contact configuration can be an advantage in simple switching circuits. Some equipment monitors voltage, current, relay command state, or system response through the main controller instead of using a dedicated auxiliary contact. In those designs, GV124CPX provides the switching function without adding unnecessary signal wiring. This makes the High Voltage DC Contactor suitable for cost-sensitive and space-limited assemblies.

Key Specifications

• Manufacturer series: Sensata Gigavac GV12
• Part number: GV124CPX
• Product type: High Voltage DC Contactor
• Main contact form: SPST-NO, normally open
• Current rating: 200A
• Nominal switching voltage: 100VDC
• Coil voltage: 24VDC
• Termination style: PCB pins / PC pins
• Auxiliary contact: not included
• Construction: sealed GV series contactor design
• Operating temperature range: -55°C to +85°C

Features and Benefits

The 24VDC coil is one of the most important reasons to choose GV124CPX. Many industrial control systems, small battery platforms, automation panels, and auxiliary power units already use 24VDC control power. Selecting a High Voltage DC Contactor with a matching coil voltage can reduce interface complexity and avoid extra conversion hardware.

The PCB pin termination supports compact product design. For manufacturers building repeated power-control modules, board-supported termination can help make assembly cleaner and more consistent than fully wired control connections. GV124CPX can be integrated into control boards, compact disconnect modules, or enclosed DC switching assemblies where predictable layout is important.

The sealed contactor design improves reliability in environments where dust, humidity, or airborne contamination may be present. Low-voltage DC equipment is often installed in workshops, vehicles, outdoor accessory cabinets, battery compartments, or industrial control enclosures. A sealed High Voltage DC Contactor helps protect the internal switching chamber from those conditions, supporting stable operation over the product life.

Because GV124CPX does not include an auxiliary contact, it is best for applications where direct contact feedback is not required. This keeps the configuration focused and simple. If the design later requires a contact position signal, a related GV12 model with an auxiliary contact should be selected instead.

Applications

GV124CPX is suitable for industrial DC distribution in 100VDC-class systems. It can be used to switch DC branch circuits, isolate auxiliary battery packs, control power to DC loads, or disconnect equipment during maintenance. The 200A rating gives the High Voltage DC Contactor enough capacity for many medium-power applications without moving to a larger 400A platform.

It can also be used in compact mobile equipment, low-voltage energy modules, battery test fixtures, service disconnect units, small charging support circuits, and backup power equipment. In these systems, GV124CPX provides controlled isolation between a battery source and downstream electronics. The normally open design is useful for start-up sequencing, shutdown control, emergency isolation, and service procedures.

For OEMs designing 24V-controlled equipment, GV124CPX can serve as the main contactor or as a branch isolation contactor. The final role depends on the current level, duty cycle, wiring design, and protection strategy. When used with suitable fusing and control logic, this High Voltage DC Contactor can be part of a clean and reliable DC power architecture.

Selection Guide

Before using GV124CPX, confirm that the application is within the 100VDC and 200A class. Engineers should review continuous current, short-term peak current, inrush current, duty cycle, load type, and expected switching frequency. Capacitive loads may need a precharge circuit, while inductive loads may require additional system-level protection.

The coil supply should be a stable 24VDC source. If the equipment uses 12VDC or 48VDC control power, a different GV12 variant may be more suitable. The PCB pin format should also be checked against the board design, soldering process, mechanical support, vibration environment, and clearance requirements.

If the application needs contactor state confirmation, GV124CPX may not be the best choice because it is a no-auxiliary-contact model. In that case, choose a GV12 configuration with auxiliary contacts. If no feedback contact is needed, GV124CPX remains a focused High Voltage DC Contactor option for simple controlled switching.

FAQ

What is GV124CPX used for?

GV124CPX is used for 100VDC-class DC switching, including industrial DC distribution, auxiliary battery isolation, compact power modules, and service disconnect circuits.

Is GV124CPX a High Voltage DC Contactor?

Yes. GV124CPX is listed as a GV12 series High Voltage DC Contactor with 200A current rating and 100VDC nominal switching capability.

What coil voltage does GV124CPX use?

GV124CPX uses a 24VDC coil, making it suitable for control systems that already operate from a 24V auxiliary supply.

Does GV124CPX have auxiliary contacts?

No. GV124CPX is a no-auxiliary-contact configuration. Choose another GV12 variant if contact position feedback is required.

How is GV124CPX different from GV124CPB?

GV124CPX and GV124CPB are both GV12 series contactors with 24VDC coil options, but GV124CPX is the no-auxiliary-contact version, while GV124CPB is associated with auxiliary contact functionality.

Conclusion

GV124CPX is a compact 200A 100VDC High Voltage DC Contactor for 24V-controlled industrial and battery-powered equipment. Its sealed GV12 construction, normally open contact form, PCB pin termination, and no-auxiliary-contact configuration make it a practical choice for simple DC isolation, branch switching, auxiliary battery control, and compact power distribution modules. For OEM designs that need reliable switching without extra feedback wiring, GV124CPX provides a clean and focused High Voltage DC Contactor solution.