Shutter Mechainsm Interlocking For 12kv High Voltage Switchgear Component 5EB320.0101ZS

The Shutter Mechanism Interlocking for 12kV High Voltage Switchgear Component 5EB320.0101ZS ensures secure and reliable operation of medium-voltage switchgear. Designed for precision and durability, it prevents unauthorized access, enhances safety, and supports efficient maintenance. Ideal for industrial, utility, and commercial power distribution systems requiring high-voltage protection.

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High Voltage Switchgear Component

Drawing of valve mechanism device 5EB.320.010/1ZS installation drawing

Working Principle

No.3 arc plate locks the No.1 rollers on both the left and right plates to achieve self-interlocking.

When the vacuum circuit breaker (VCB) moves from the testing position to the working position, the VCB’s side pushers will press the No.3 arc plate upwards, causing it to rotate to the middle. This unlocks the self-locking mechanism, allowing the shutter mechanism to open normally.

When the VCB is withdrawn, the No.3 arc plate is pushed back into position by the No.2 tension spring, locking the No.1 rollers and securing the shutter mechanism in the locked position.

High Voltage Switchgear Component