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Chint DZ158-2-125 MCB – 2P – 125A – 10kA
Chint DZ158-2-125 two pole 125 A high-current miniature circuit breaker with 10 kA breaking capacity for overload and short-circuit protection in low-voltage electrical installations.
£28.85
Why Choose the Chint DZ158-2-125 Circuit Breaker?
The Chint DZ158-2-125 is a robust two 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 proven Chint DZ158 series, it is suitable for industrial, commercial and OEM applications requiring dependable circuit protection, switching and safe electrical isolation.
Designed for DIN rail installation, the DZ158-2-125 combines a compact footprint with excellent electrical performance. Its thermal-magnetic trip mechanism provides rapid fault interruption while helping protect cables, switchgear and connected equipment from overloads and short-circuit conditions.
With a rated current of 125 A, a two pole configuration and a 10 kA breaking capacity, the DZ158-2-125 is ideal for higher current power distribution circuits where reliable protection and long service life are essential.
Key Advantages
- High-performance 125 A circuit breaker for demanding electrical installations.
- Two pole configuration for simultaneous disconnection of two conductors.
- 10 kA breaking capacity for dependable fault interruption.
- Provides reliable overload and short-circuit protection.
- Suitable for circuit switching and safe electrical isolation.
- Compact DIN rail mounting for quick installation.
Key Features
- Chint DZ158 high-current circuit breaker series.
- 125 A rated current.
- 2 pole configuration.
- 10 kA rated breaking capacity.
- Thermal-magnetic release mechanism.
- Designed for overload and short-circuit protection.
- Manual switching and circuit isolation capability.
- Standard 35 mm DIN rail mounting.
Reliable Protection for High Current Electrical Systems
The Chint DZ158-2-125 automatically disconnects the electrical supply when overload or short-circuit conditions occur, helping to protect cables, switchgear and connected equipment from damage. Its dependable thermal-magnetic operating mechanism provides fast and consistent fault protection across a wide range of industrial and commercial installations.
The two pole design enables simultaneous isolation of both conductors, making the breaker suitable for installations where complete circuit disconnection is required for maintenance and operational safety.
Typical Applications
- Industrial power distribution systems.
- Commercial electrical installations.
- Electrical control panels.
- OEM machinery and equipment.
- Building services distribution boards.
- High-current branch circuit protection.
Technical Specifications
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| Current | 125 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Breaking Capacity | 10 kA | |
| Manufacturer | Chint | |
| Series | DZ158 | |
| Model | DZ158-2-125 | |
| Product type | High-current miniature circuit breaker | |
| Rated current | 125 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 | |
| Protection rating | IP20 | |
| Trip mechanism | Thermal-magnetic | |
| Standard | IEC / EN 60947-2 | |
| Mounting type | 35 mm DIN rail | |
| Terminal size | 16-50 mm² |
Frequently Asked Questions
What is the Chint DZ158-2-125 used for?
The DZ158-2-125 protects electrical circuits against overloads and short circuits while providing safe switching and circuit isolation.
What current rating does this breaker have?
This model has a rated current of 125 A.
How many poles does the DZ158-2-125 have?
The breaker features a 2 pole configuration for simultaneous disconnection of two conductors.
What is the breaking capacity?
The DZ158-2-125 provides a 10 kA breaking capacity for reliable interruption of fault currents.
Where is this breaker typically installed?
It is designed for installation on a standard 35 mm DIN rail inside distribution boards, switchboards and industrial electrical control panels.
Trusted by Electrical Professionals Worldwide
Chint DZ158 circuit breakers are trusted by electrical contractors, control panel builders and maintenance engineers for dependable overload protection, reliable switching performance and long-term operation across commercial and industrial installations.
