hws Air circuit breakers
Guaranteed Protection
High performance and modular design for reliable power protection.
Discover the power and reliability of hws air circuit breakers (ACB) – engineered to handle currents from 630A to 4000A with an ultimate breaking capacity up to 85kA. Featuring a modular design, these breakers provide versatile functionality through a wide range of accessories, coupled with advanced intelligent protection controllers for enhanced safety and performance.
Ideal for residential and commercial projects, hws ACBs deliver superior durability, ease of operation, and dependable protection. Upgrade your electrical system with hws ACBs for unmatched safety and efficiency in every application.
Safe, reliable & flexible power solutions
Flexibility & adaptability
Two optimised frame sizes: Available with a current range of 630A to 4000A, our circuit breakers are suitable for a variety of diverse applications. No de-rating up to 50˚C, designed to operate efficiently even in high temperature environments
Performance and reliability
Icu = Ics = Icw (1sec) ensures total selectivity and optimum protection against high short circuit faults. Breaking capacity adapted to various needs, guaranteeing reliable protection.
Advanced protection
Microprocessor based trip unit offers LSI and LSIG versions with advanced protections, power and energy measurements. Zone Selective Interlock (ZSI) provides intelligent discrimination for enhanced protection.
Easy installation and use
Accessories and easy maintenance
Accessories and easy maintenance include options for locking and interlocking, safety and security, status display for maintenance and extended equipment life.
Communication, monitoring and control
Compatible with Energy Management systems which include RS485 Modbus communication for efficient monitoring and control.
Certified safety & superior performance
Experience unmatched safety, reliable performance, and installation flexibility with hws air circuit breakers.
Technical characteristics:
- Conforms to IEC 60947-2
- Current Range: 630A – 4000A in 2 frame sizes HWS2 and HWS4
- Circuit breakers shall be: 3-pole or 4-pole version
- Breaking capacity of 50kA, 66kA and 85kA
- Ics = 100%Icu = Icw for 1 second
- Fixed or draw out type with moulded contact chamber design
- Pollution degree 4 - ideal for harsh industrial environments
- Operation at 50°C (ambient temperature) without derating
- Electronic protection trip units with LSI or LSIG protection
- Vertical or Horizontal convertible Rear Connections till 4000A
Advantages for our Partners
Hager offers solutions tailored to your business and your requirements.
Ranges designed to meet your working requirements: ease, speed and peace of mind.
Consultant
– Enhanced tripping information and live settings on trip unit display.
– Integrated MODBUS, hence less wiring and complexity.
– Inbuilt TRIP test through trip unit to ensure utmost safety.
– No de-rating at higher ambient temperature of 50°C.
Panel Builder
– Motor + Coils can be delivered pre-assembled to save time.
– Patented door flange mounting without drill.
– Compatibility with copper & aluminium busbar.
– Screw less terminal block: user friendly wiring.
Facility manager
– Inbuilt harmonics analysis up to 31st order to manage power quality.
– Integrated advanced protections and load management.
Catalogues & brochures to guide you better
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