The Schneider Electric Masterpact MT40H1 Air Circuit Breaker (ACB) is a high‑capacity protective device designed for low‑voltage electrical distribution systems in industrial, commercial, and utility installations. This circuit breaker frame supports electronic trip units such as Micrologic 5.0A, allowing adjustable protection settings against overloads and short‑circuit faults. The MT40H1 is typically configured as a 3‑pole (3P) breaker and features draw‑out or fixed mounting options for easy integration and maintenance. It provides reliable fault interruption, compliance with international electrical safety standards, and modular protection suitable for main or feeder circuits.
