chint mcb dz158-2-100 100a 2 pole 10ka

Why Choose the Chint DZ158-2-100 Circuit Breaker?

The Chint DZ158-2-100 is a durable two pole high-current miniature circuit breaker designed to provide dependable overload and short-circuit protection in low-voltage electrical distribution systems. As part of the Chint DZ158 series, it is suitable for commercial, industrial and OEM panel applications where reliable circuit protection, switching and isolation are required.

This circuit breaker combines a compact DIN rail mounting format with a high rated current, making it ideal for installations where larger load capacity is required within a modular electrical enclosure. Its robust thermal-magnetic operation helps protect wiring, switchgear and connected equipment from electrical faults.

With a rated current of 100 A, a two pole configuration and a 10 kA breaking capacity, the DZ158-2-100 is well suited for demanding industrial and commercial distribution applications requiring dependable protection and safe disconnection.

Key Advantages

• High-current 100 A circuit breaker for demanding electrical installations.
• Two pole design for simultaneous isolation of two conductors.
• 10 kA breaking capacity for reliable fault interruption.
• Provides overload and short-circuit protection.
• Suitable for switching and isolation duties.
• DIN rail mounting for fast installation in electrical panels.

Key Features

• Chint DZ158 high-current circuit breaker series.
• 100 A rated current.
• 2 pole configuration.
• 10 kA rated breaking capacity.
• Thermal-magnetic release characteristic.
• Designed for overload and short-circuit protection.
• Suitable for manual switching and circuit isolation.
• 35 mm DIN rail mounting for modular enclosures.

Technical Specifications

• Manufacturer: Chint
• Series: DZ158
• Model: DZ158-2-100
• Product type: High-current miniature circuit breaker
• Rated current: 100 A
• Number of poles: 2P
• 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 Power Distribution Systems

The Chint DZ158-2-100 automatically disconnects the circuit when an overload or short-circuit fault occurs, helping to protect cables, electrical equipment and downstream devices. Its thermal-magnetic operating mechanism provides dependable protection for a wide range of low-voltage power distribution applications.

The two pole configuration allows simultaneous disconnection of two conductors, making the breaker suitable for systems where safe isolation and maintenance access are important.

Typical Applications

• Industrial distribution boards.
• Commercial electrical installations.
• Electrical control panels.
• OEM machinery and equipment.
• Building services power distribution.
• High-current branch circuit protection.

Trusted by Electrical Professionals Worldwide

Chint DZ158 circuit breakers are trusted by electrical contractors, panel builders and maintenance engineers for dependable circuit protection, safe switching performance and reliable operation in commercial and industrial installations.