Sensata Gigavac GV141CAX

Sensata Gigavac GV141CAX is a 400A 100VDC High Voltage DC Contactor from the GV14 series, designed for low-voltage DC distribution, battery service panels, industrial power modules, and high-current auxiliary DC circuits. This High Voltage DC Contactor uses an SPST-NO-DM main contact form, a 24VDC coil, stud power terminals, wire lead control termination, chassis mounting, no auxiliary contact, and hermetically sealed construction. It is a focused configuration for systems that need strong 400A switching without extra feedback wiring.

GV141CAX fits equipment where the power path is high current but the voltage class remains around 100VDC. Examples include compact DC distribution boxes, battery disconnect panels, charger support assemblies, industrial vehicles, service equipment, and low-voltage power conversion modules. The sealed GV14 construction helps protect the contact chamber from dust, humidity, vibration, and airborne contamination, making this High Voltage DC Contactor useful in rugged electrical compartments.

Product Positioning

GV141CAX should be positioned as a 24V coil High Voltage DC Contactor for simple high-current DC isolation. It is different from GV141CAC because GV141CAC includes auxiliary contact functionality, while GV141CAX is the no-auxiliary-contact version. This makes GV141CAX suitable for systems where the controller verifies operation through voltage sensing, current sensing, load response, or command logic rather than a dedicated auxiliary signal.

This model is also different from GV141BAB because GV141BAB uses a 12VDC coil, while GV141CAX uses a 24VDC coil. For machines, cabinets, and industrial control systems that already use 24V auxiliary power, GV141CAX can simplify coil power integration while still providing 400A switching capacity in a sealed GV14 package.

Key Specifications

• Manufacturer series: Sensata Gigavac GV14
• Part number: GV141CAX
• Product type: High Voltage DC Contactor
• Main contact form: SPST-NO-DM / 1 Form X
• Rated current: 400A
• Nominal switching voltage: 100VDC
• Coil voltage: 24VDC
• 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
• Must operate voltage: approximately 16VDC according to distributor data
• Must release voltage: approximately 2VDC according to distributor data
• Typical operate time: approximately 20ms according to distributor data
• Typical release time: approximately 12ms according to distributor data

Features and Benefits

The main benefit of GV141CAX is its high current capacity in a straightforward no-feedback configuration. A 400A High Voltage DC Contactor can switch heavy 100VDC-class loads such as battery outputs, motor controller feeds, charger paths, hydraulic pump circuits, and protected distribution branches. For equipment that does not require auxiliary contact feedback, GV141CAX avoids unnecessary signal wiring.

The 24VDC coil matches common industrial control architectures. Many machine controllers, cabinet power supplies, safety relays, and mobile equipment platforms already use 24VDC control power. Selecting a High Voltage DC Contactor with a 24V coil reduces the need for extra conversion hardware and keeps the control side simpler.

Stud terminals are suitable for high-current cable and busbar connections. Low-voltage systems can carry very high current, so connection integrity, torque, conductor sizing, and thermal behavior are important. GV141CAX provides a practical stud terminal format for battery compartments, power distribution panels, and industrial DC assemblies.

Wire lead control termination gives cabinet builders freedom to route coil wiring to the controller or harness. This is useful when the contactor must be mounted close to the DC bus while control electronics sit in a separate protected area. The High Voltage DC Contactor can be integrated without forcing a board-mounted layout.

Hermetically sealed construction supports long-term reliability in harsh conditions. Dust, moisture, and vibration can shorten the life of open switching devices. A sealed High Voltage DC Contactor helps maintain consistent switching behavior in equipment that operates in shops, warehouses, mobile platforms, and industrial enclosures.

Applications

GV141CAX is especially suitable for low-voltage DC distribution. In a 100VDC-class cabinet or machine, this High Voltage DC Contactor can connect a main battery path, switch a branch circuit, isolate a charger interface, or disconnect a load during service and fault conditions. Its 400A rating gives it enough capacity for demanding low-voltage power systems.

The contactor can also be used in industrial vehicles, battery-powered machinery, floor-care equipment, service disconnect panels, compact backup power systems, charger support units, and high-current auxiliary power modules. In these applications, GV141CAX provides simple controlled switching with a 24V coil and sealed construction.

For OEMs that already monitor bus voltage or current elsewhere in the system, the no-auxiliary-contact configuration can be efficient. The final design should still validate fuse coordination, thermal rise, cable sizing, precharge needs, switching frequency, and load type before production use.

Selection Guide

Before selecting GV141CAX, confirm that the system is within the 100VDC and 400A class. Review continuous current, short-term peak current, inrush current, load type, switching frequency, ambient temperature, and expected service life. Motor controllers, chargers, and capacitive loads may need precharge or additional system-level protection.

The coil supply should be a stable 24VDC source. If the equipment uses 12VDC control power, GV141B series models may be more suitable. If the design needs contactor state feedback, choose a GV14 variant with auxiliary contacts, such as a B or C auxiliary configuration, instead of GV141CAX.

Mechanical design should include stud terminal clearance, cable bend radius, lead routing, vibration exposure, mounting orientation, and service access. The contactor should be paired with appropriate fusing, conductor sizing, enclosure design, and control logic.

FAQ

What is GV141CAX used for?

GV141CAX is used for low-voltage DC distribution, battery disconnect panels, industrial vehicles, charger interfaces, and 100VDC-class high-current switching.

Is GV141CAX a High Voltage DC Contactor?

Yes. GV141CAX is a Sensata Gigavac GV14 series High Voltage DC Contactor with 400A current rating and 100VDC nominal switching capability.

What coil voltage does GV141CAX use?

GV141CAX uses a 24VDC coil, making it suitable for industrial and mobile equipment with a 24V auxiliary control supply.

Does GV141CAX include auxiliary contacts?

No. GV141CAX is the no-auxiliary-contact configuration. If feedback is required, select a related GV14 version with auxiliary contacts.

How is GV141CAX different from GV141CAC?

GV141CAX does not include auxiliary contact feedback, while GV141CAC is associated with auxiliary contact functionality. Both are 24V coil GV14 contactors for 400A 100VDC-class switching.

Conclusion

GV141CAX is a 400A 100VDC High Voltage DC Contactor for low-voltage DC distribution, battery disconnect panels, industrial vehicles, and high-current auxiliary power modules. With its Sensata Gigavac GV14 sealed construction, 24VDC coil, stud terminals, wire leads, chassis mounting, and no-auxiliary-contact configuration, it is a practical choice for OEM systems that need simple and reliable high-current switching without extra feedback wiring.