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Siemens 3VA9978-0BL32 Shunt Trip 110-127V AC/DC Left

Siemens 3VA9978-0BL32 Shunt Trip accessory.

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ManufacturerSiemens

Part number3VA9978-0BL32

Voltage 110-127 V AC (50/60 Hz) / DC

Mounting Left side

Accessory for 3VA4, 3VA5, 3VA6 Series

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12-month warranty

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Veteran-owned

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Remote tripping functionality 110-127V AC/DC operation Left side mounting For 3VA4/5/6 series

Product description

The Siemens 3VA9978-0BL32 is a left-side shunt trip accessory designed for Siemens 3VA4, 3VA5, and 3VA6 series circuit breakers. It is engineered to operate with 110-127V AC (50/60 Hz) or DC, enabling remote triggering of the circuit breaker by an external control signal.

This shunt trip is essential for remote control applications in industrial environments, such as automated safety systems, remote monitoring stations, and process control where the circuit breaker needs to be tripped from a distance. Its compatibility with common control voltages simplifies integration into existing systems.

Stanlo Automation, your trusted veteran-owned source for industrial automation parts, offers the Siemens 3VA9978-0BL32. We provide high-quality surplus components to meet your operational needs efficiently and affordably.

Technical specifications

Voltage	110-127 V AC (50/60 Hz) / DC
Mounting	Left side
Accessory for	3VA4, 3VA5, 3VA6 Series

Common applications

Industrial control systems

Automated safety shutdowns

Remote monitoring

Power distribution

Machine safety

Compatible systems

Siemens 3VA4 Series Siemens 3VA5 Series Siemens 3VA6 Series

Also known as

Siemens 3VA Breaker Accessory 3VA Remote Tripping Unit Siemens Circuit Protection

Replaces / compatible with

This shunt trip is compatible with Siemens 3VA4, 3VA5, and 3VA6 series circuit breakers, providing a remote tripping solution for 110-127V AC/DC control circuits.

Technical note

Expert tip

Confirm the control voltage is stable within the 110-127V range (AC or DC) for accurate and reliable remote tripping operations.

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Frequently asked questions

Can the Siemens 3VA9978-0BL32 shunt trip be used with DC voltage?

Yes, the Siemens 3VA9978-0BL32 shunt trip is designed to operate with both 110-127V AC (50/60 Hz) and 110-127V DC. This versatility allows for integration into various control systems requiring remote tripping of compatible 3VA circuit breakers.