Resource | 10/03/2022

Application Note: Direction of Current Flow for Contactors

All Sensata | Gigavac contactors can carry current in both directions on closed contacts.  The term “bidirectional” refers to the ability to switch/open while current is flowing.  Most Sensata | Gi

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Resource | 10/03/2022

Application Note: Pre-charge Circuits and Capacitors

Inrush currents from capacitors are the most common cause of contactor failure. Capacitors that are not fully charged can result in excessive loads being switched.

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Resource | 09/30/2022

Application Note: Commercial Wind Turbines

Encoders in a Commercial Wind Turbine Application

Wind turbines have gotten larger and more powerful, making them competitive with convention fuel-fired power plants.

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Resource | 09/29/2022

Application Note: Driving Contactors with external PWM

Sensata | Gigavac offers the GX14, GX23, and GV200 with built-in PWM economizer (coil option M or N).

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Resource | 09/29/2022

Application Note: GVL 12V Set/Reset Voltage and Coil Current vs. Temperature

Since Gigavac contactors are operated by a coil that changes resistance with temperature, Pickup Voltage and Drop Out Voltage will decrease at temperatures below 25C and increase at temperatures ab

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Resource | 09/29/2022

Application Note: GVL 24V Set/Reset Voltage and Coil Current vs. Temperature

Since Gigavac contactors are operated by a coil that changes resistance with temperature, Pickup Voltage and Drop Out Voltage will decrease at temperatures below 25C and increase at temperatures ab

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Resource | 09/29/2022

Application Note: Contact Welding

Sensata | Gigavac has performed extensive testing to determine the make current capability of their contactors.

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Resource | 09/29/2022

Application Note: Driving HX460 contactors with external PWM

Sensata | Gigavac offers the HX460 with a continuous duty coil. Customers that want to reduce overall power consumption can PWM the coil.

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Resource | 09/29/2022

Application Note: Driving the GXV600 Contactor with external PWM

The Gigavac GXV600 Contactor with the P coil requires an external economizer.

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