Interlock Circuit Breaker

TOMZN 4P 63A ChangeOver Breaker Features

• 4‑Pole Manual Changeover Switch – Designed for three‑phase systems (L1, L2, L3 + N), allowing safe switching between two AC power sources (e.g., main grid and backup).

• 63 A Rated Current – Suitable for moderate‑to‑heavy loads in residential, commercial, or industrial three‑phase installations.

• Manual Transfer Switch Function (MTS) – Lets you manually switch power sources to maintain continuity when the primary supply fails.

• Interlock Mechanism – Prevents simultaneous connection of both power sources, reducing the risk of short circuits and equipment damage.

• DIN‑Rail Mountable – Standard 35 mm DIN‑rail installation for easy integration into electrical panels and distribution boards.

• Flame‑Retardant Durable Build – Made of high‑quality insulating plastic for safety and reliability.

• Compact & Robust Design – Space‑efficient construction suitable for crowded control enclosures.

• Seamless Power Management – Helps manage dual power supply systems (e.g., grid & generator) where uninterrupted power is needed