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GIGAVAC GTM Bidirectional Contactors

GIGAVAC Sensata GTM Bidirectional Contactors are hermetically sealed, high-performance DC contactors that can switch in both directions. These contactors deliver excellent arc suppression, strong short-circuit withstand capability, and robust performance under extreme environmental conditions. The GTM400 and GTM500 bidirectional contactors operate within a temperature range from -40°C to +85°C and offer a rated voltage of 1500Vdc. These GTM contactors have a contact resistance of 0.3mΩ and an insulation resistance of 100MΩ. Typical applications include Energy Storage Systems (ESSs), heavy vehicles, high-power DC fast charging, and transportation electrification systems.

Features

Advanced arc suppression
Best-in-class break performance
Fully bidirectional switching
GTMS sealing for durability
Hermetically sealed design
High-efficiency dual-coil design
Strong short-circuit withstand

Applications

Energy Storage Systems (ESSs)
Heavy vehicles
High-power DC fast charging
Transportation electrification systems

Technical Specifications

Parameters	Values
Operating Temperature Range	-40°C to +85°C
Voltage Rating	1500Vdc
Contact Resistance	0.3mΩ
Insulation Resistance	100MΩ
Dielectric Voltage	5375V_RMS