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Siemens 3VA9978-0BL30 Shunt Trip 24V AC/DC Left

Siemens 3VA9978-0BL30 Shunt Trip accessory.

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ManufacturerSiemens

Part number3VA9978-0BL30

Voltage 24 V AC (50/60 Hz) / 24-30 V DC

Mounting Left side

Accessory for 3VA4, 3VA5, 3VA6 Series

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12-month warranty

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Same-day dispatch

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Veteran-owned

CAGE: 9NK75

Remote tripping capability 24V AC/DC operation Left side mounting For 3VA4/5/6 series

Product description

The Siemens 3VA9978-0BL30 is a shunt trip accessory designed for the left side of Siemens 3VA4, 3VA5, and 3VA6 series circuit breakers. It operates with a voltage of 24V AC (50/60 Hz) or 24-30V DC, allowing for remote tripping of the circuit breaker when a control signal is applied.

This shunt trip is ideal for applications where remote electrical control of circuit breaker tripping is required, such as in emergency stop systems, remote power control, or automated shutdown sequences. Its compatibility with the 3VA series makes it a versatile component for various industrial automation setups.

As a veteran-owned distributor, Stanlo Automation provides this Siemens shunt trip accessory, ensuring you receive a genuine part backed by our commitment to quality and service. We specialize in surplus and new-old-stock automation components.

Technical specifications

Voltage	24 V AC (50/60 Hz) / 24-30 V DC
Mounting	Left side
Accessory for	3VA4, 3VA5, 3VA6 Series

Common applications

Emergency stop systems

Remote power control

Industrial automation

Control panel integration

Safety interlocks

Compatible systems

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

Also known as

Siemens 3VA Shunt Trip Unit 3VA Remote Trip Siemens Breaker Accessory

Replaces / compatible with

This shunt trip is designed for use with Siemens 3VA4, 3VA5, and 3VA6 series circuit breakers, providing remote tripping functionality.

Technical note

Expert tip

Ensure the correct voltage (AC or DC) and polarity are applied to the shunt trip terminals to achieve reliable remote tripping of the 3VA circuit breaker.

What happens next?

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Frequently asked questions

What voltage options are available for the Siemens 3VA9978-0BL30 shunt trip?

The Siemens 3VA9978-0BL30 shunt trip supports operation with either 24V AC (50/60 Hz) or 24-30V DC. This flexibility allows it to be integrated into various control system power configurations for remote tripping of compatible 3VA circuit breakers.