MCB 3P D-Curve, 10kA

CHINT DZ158H-3P – 3-Pole Moulded-Case Circuit Breaker

The CHINT DZ158H-3P is a compact and reliable moulded-case circuit breaker designed to provide dependable protection for three-phase electrical systems. It offers accurate overload and short-circuit protection, making it suitable for commercial, industrial and renewable-energy installations where safety and performance are essential.

Key Features

• 3-pole protection for balanced three-phase electrical circuits.
• Moulded-case design for durability and long service life in demanding environments.
• Thermal-magnetic trip unit for precise fault detection and fast interruption.
• Compact footprint ideal for distribution boards and control panels.
• Clear ON/OFF/TRIP indicators for enhanced operational safety.
• Front-mounted terminals for quick and secure wiring.

Typical Applications

• Main and sub-distribution boards in commercial facilities.
• Motor circuits, pumps, compressors and HVAC systems.
• Three-phase machinery in workshops and industrial plants.
• AC distribution for solar inverters and hybrid energy systems.
• Backup power and generator DB boards.

Installation Notes

• Mount inside a compliant electrical enclosure using standard fixing points.
• Ensure conductor size and lugs match the breaker's frame rating.
• Follow manufacturer torque settings for terminal connections.
• Coordinate with upstream and downstream protective devices for proper selectivity.

The DZ158H-3P delivers robust protection and reliable performance, making it an excellent choice for professional installers working on three-phase electrical systems.