chint mcb dz158-3-63 63a 3 pole 10ka

Why Choose the Chint DZ158-3-63 Circuit Breaker?

The Chint DZ158-3-63 is a reliable three pole high-current miniature circuit breaker designed to provide dependable overload and short-circuit protection for low-voltage electrical distribution systems. As part of the Chint DZ158 series, it is engineered for industrial, commercial and OEM applications where reliable circuit protection and safe isolation are essential.

Its compact DIN rail mounting design allows quick installation within electrical distribution boards and control panels while delivering excellent electrical performance. The thermal-magnetic trip mechanism provides rapid fault protection, helping safeguard electrical equipment, cables and connected loads against damage.

With a rated current of 63 A, a three pole configuration and a 10 kA breaking capacity, the DZ158-3-63 is ideal for protecting three-phase power circuits used throughout industrial and commercial installations.

Key Advantages

• High-performance 63 A three pole circuit breaker.
• Three pole design for complete three-phase circuit protection.
• 10 kA breaking capacity for dependable fault interruption.
• Provides reliable overload and short-circuit protection.
• Suitable for switching and safe circuit isolation.
• Compact DIN rail mounting for straightforward installation.

Key Features

• Chint DZ158 high-current circuit breaker series.
• 63 A rated current.
• 3 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: DZ158-3-63
• Product type: High-current miniature circuit breaker
• Rated current: 63 A
• Number of poles: 3P
• 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 Electrical Systems

The Chint DZ158-3-63 automatically disconnects electrical circuits during overloads and short-circuit conditions, helping to protect switchgear, cables and connected equipment from damage. Its thermal-magnetic operating mechanism provides dependable fault protection across a wide range of industrial and commercial installations.

The three pole configuration enables simultaneous protection and isolation of all three phases, making the breaker suitable for machinery, motor circuits and three-phase power distribution systems.

Typical Applications

• Industrial distribution boards.
• Three-phase machinery and equipment.
• Motor control panels.
• Commercial electrical installations.
• OEM electrical systems.
• Three-phase branch circuit protection.

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-term operation in demanding three-phase electrical systems.