MCB 3P 400A PR221DS Molded Case Circuit Breaker, 400 Amp Trip Unit

Product Overview

The 3-pole 400A MCB is a heavy-duty molded case circuit breaker designed for low-voltage power distribution and motor protection applications. Equipped with a PR221DS 400A protection unit, it provides reliable overload and short-circuit protection in commercial, industrial, and panel-building environments.

Key Features

• Three-pole configuration for three-phase electrical systems
• 400A current rating for high-load distribution circuits
• PR221DS protection release for dependable circuit protection
• Compact molded case construction for panel installation
• Suitable for industrial switchgear, distribution boards, and machinery control systems
• Designed for overload, short-circuit, and fault-current interruption

Specifications

Applications

This breaker is suitable for industrial control panels, main distribution boards, manufacturing equipment, motor control centers, commercial facilities, utility panels, and three-phase machinery requiring dependable 400A circuit protection.

Package Contents

• 1 x 3P 400A Molded Case Circuit Breaker
• 1 x PR221DS 400A Protection Unit Installed
• Standard protective packaging