chint mcb dz158-4-100 100a 4 pole 10ka

Why Choose the Chint DZ158-4-100 Circuit Breaker?

The Chint DZ158-4-100 is a high-performance four pole high-current miniature circuit breaker designed to provide reliable overload and short-circuit protection for low-voltage electrical distribution systems. As part of the trusted Chint DZ158 series, it is engineered for industrial, commercial and OEM applications requiring dependable circuit protection, switching and safe isolation.

Its compact DIN rail mounting design enables straightforward installation within distribution boards, switchboards and electrical control panels. Featuring a thermal-magnetic trip mechanism, the DZ158-4-100 responds quickly to electrical faults, helping to protect wiring, switchgear and connected equipment from damage.

With a rated current of 100 A, a four pole configuration and a 10 kA breaking capacity, the DZ158-4-100 is ideally suited to protecting three-phase and neutral circuits in demanding industrial and commercial electrical installations.

Key Advantages

• High-performance 100 A four pole circuit breaker.
• Four pole design for three-phase and neutral circuit protection.
• 10 kA breaking capacity for dependable fault interruption.
• Provides reliable overload and short-circuit protection.
• Suitable for switching and safe electrical isolation.
• Compact DIN rail mounting for rapid installation.

Key Features

• Chint DZ158 high-current circuit breaker series.
• 100 A rated current.
• 4 pole configuration.
• 10 kA rated breaking capacity.
• Thermal-magnetic trip mechanism.
• Designed for overload and short-circuit protection.
• Suitable for switching and isolation duties.
• 35 mm DIN rail mounting.

Technical Specifications

• Manufacturer: Chint
• Series: DZ158
• Model: DZ158-4-100
• Product type: High-current miniature circuit breaker
• Rated current: 100 A
• Number of poles: 4P
• Rated voltage: 230 / 400 to 240 / 415 V AC
• Rated frequency: 50 / 60 Hz
• Breaking capacity: 10 kA
• Insulation voltage: 500 V
• Rated impulse withstand voltage: 4 kV
• Trip mechanism: Thermal-magnetic
• Protection rating: IP20
• Standard: IEC / EN 60947-2
• Mounting type: 35 mm DIN rail
• Terminal capacity: 16-50 mm²

Reliable Protection for Three-Phase and Neutral Power Systems

The Chint DZ158-4-100 automatically disconnects electrical circuits when overload or short-circuit faults occur, helping to protect wiring, switchgear and connected equipment from damage. Its dependable thermal-magnetic operating mechanism provides effective protection across a wide range of industrial and commercial power distribution systems.

The four pole configuration enables simultaneous isolation of all three phases and the neutral conductor, making this breaker ideal for installations where complete circuit isolation is required for maintenance, operational safety and compliance.

Typical Applications

• Industrial distribution boards.
• Three-phase and neutral electrical systems.
• Commercial switchboards.
• Motor control panels.
• OEM machinery and electrical equipment.
• High-current power distribution circuits.

Trusted by Electrical Professionals Worldwide

Chint DZ158 circuit breakers are trusted by electrical contractors, panel builders and maintenance engineers for dependable overload protection, reliable switching performance and long service life across demanding electrical installations.