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Thermal Overload Relay – Reliable and efficient motor protection solution

The MT3 thermal relay is a bimetallic overload protection device designed to safeguard AC circuits and motors from conditions such as overload, phase loss, extended startup, or prolonged stalling. It features three bimetal strips for three-phase protection and is manufactured to British standards, ensuring high accuracy and durability. The MT3 offers both manual and automatic reset modes, providing flexibility in system operation and maintenance.

• Operating current range: 1~630A
• Rated voltage: 690V
• Functions: Trip, Reset A/H
• Easily adjust the current and visually recognize the operating status
• Auto/manual reset mode
• The Thermal type (bimetallic element) for thermal overload relay ≤ 225A is manufactured in accordance with UK standards
• The main loop terminal has a distinct difference from the control loop terminal, making it difficult to make incorrect connections