Main Switchboard Isolation

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Overview

When isolating a Trakkit machine, be aware that a UPS may be fitted inside the container. This can result in live power remaining present even after normal isolation.

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Main Switchboard Isolation – Limitation

Isolating the machine using the main switchboard isolator on the front of the panel will only isolate:

• Components within the main cabinet

• Automation equipment on the A, B, D and X, Y, Z axis

⚠️ This does not fully isolate the container.

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UPS Backfeed Risk

If a UPS is installed:

• The UPS can continue to supply power through the surge protector to the cabinet isolator

• A ventilation fan, if fitted, may also be powered from the UPS

• Live voltage may still be present inside the container after main isolation

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Best Practice – Full Isolation

If work is required on any components within the container, best practice is to:

1. Isolate the main switchboard, and

2. Shut down and isolate the UPS

Both steps are required to ensure the container is fully de‑energised.

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Main Cabinet Isolation

Isolation of the main cabinet supply can be achieved using the cabinet isolator. This isolation does not remove UPS‑supplied power unless the UPS is also powered down.

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