Air Circuit Breakers
HW series ACBs : 800A to 4000A air circuit breakers
The HW range of air circuit breakers provide easy solutions for low voltage electrical circuit protection. State-of-the-art characteristics offer designers and installers a wide range of user-friendly, practical features, benefits and protection.
Special attention to details such as simplicity of set up and installation, safe and easy addition of accessories (shunt trips, under-voltage release, electrical charging devices) as well as indication from the front cover of installed accessories and their voltage (with no need to open the circuit breaker) combine to make Hager ACBs an ideal choice in low voltage power distribution systems for industrial and commercial applications.
|Fixed type||Draw-out type|
Transparent windows also provide visual indication of the presence of :
Air circuit breakers are widely used in low voltage power distribution systems of industrial, residential and commercial buildings. As the main incoming device, Hager ACBs have high dynamic and thermal stability. Ensuring uninterrupted power supply, able to break reliably at high short circuit currents.
Hager ACBs are available from 800A to 4000A, in three frame sizes, in breaking capacities of 50kA, 65kA, 80kA and 100kA at Icu = Ics = Icw
Incorporated safety measures ensure operator and maintenance personnel safety.
|Safety shutters (top and bottom) can be padlocked without additional accessories|
|<< Tool-less removal and replacement of arc chutes for easy inspection of contacts (interlocking prevents circuit breaker operation if arc chutes are not properly secured)
|<< Optional (all position) lock permits the frame to be locked in “isolated”, “test” or “service” positions
Racking shutter is padlockable to prevent access of racking handle
|<< Shrouded on/off buttons can be sealed or can be independently padlocked|
Up to three ACBs can be interlocked with one another for :
- two incomers (2 I/C)
- three incomers (3 I/C)
- two incomers plus one standby (2 I/C + 1 SB)
- two incomers plus one bus coupler (2 I/C + 1 B/C)
|Panel door ingress seal (supplied as standard) affords IP53 protection to prevent ingress of dust and moisture|
|<< “Off” button can also be locked with an optional key lock
Hager’s ACB design permits all operations, settings and clear visual indications from the front facia of the ACB.
Equipped with advanced microprocessor based protection and control units, Hager ACBs ensure a wide protection range with broad adjustment scope, accommodating all important tripping functions for ease of operation.
|Protection control units are available in two versions :
Two installation types are available :
Conversion from one type to another can be performed simply with minimal tools.