C-Power Air Circuit breakers by Larsen & Toubro Limited

L T’s Air Circuit Breakers (ACBs) are specially designed for extreme tropical conditions and have a proven track record of more than 5 decades. Presently more than 5,00,000 ACBs supplied by L T are being used for diverse applications. C-Power provides technologically driven solutions to meet customer needs.

Over the years, this breaker has proved its credentials as a “rugged breaker”.  Its  level of performance has now become a benchmark worthy of emulation in the market.

C-Power rating ranges from 400A to 6300A with breaking capacities from 50kA to 100kA.

C-Power has been inherently designed to perform in extreme tropical climates. Typical site conditions like high ambient temperatures, humidity and dusty environments are best handled by C-Power ACBs without compromising on performance and safety.

Features:

A range to meet every customer’s need

Ratings : 400A to 6300A
Breaking Capacities : 50kA to 100kA
3 Pole / 4 Pole Versions with Fix / Draw-out configuration
High Short time withstand capacity, Icu=Ics=Icw for 1 sec for total selectivity
Different terminal orientations : Flat, Horizontal and Vertical

Elegant Design

Common door cut-out for entire range
Left aligned cut-out for all ratings
Uniform height and depth for ACBs upto 4000 Amp

User Friendly Features

Front accessible over current release settings, telescopic racking handle and various racking interlocks; no need to open the panel door
Unique ‘Maintenance position’ in drawout type ACBs to facilitate maintenance inspection without removing the ACB from the panel
Wide variety of Micro-Processor based Protection Releases
Unique O-LED (Organic LED) display for protection releases
ON / OFF Load Isolator version available
Fully rated neutral pole for the entire range
Extendable Electrical Life :-

By replacing the arcing contacts at site for all ratings

Safety

Superior quality engineering grade plastics used for insulation purpose; conforms to Glow wire test (Ref: IEC 60695-2-1)
In-built Mechanical Anti-Pumping to prevent Auto-Reclosing of ACB
In built Safety shutters prevent accidental contact with live cradle terminals
Transparent safety shutter offers easy inspection of cradle contacts reduces the maintenance time
Wide Band Shunt Release to ensure intentional tripping even during voltage fluctuations
Easily removable arc chutes without use of any tool – Reduces downtime

Conformance to Standards

IEC - 60947 (Part 1 2)
IS/IEC - 60947 (Part 1 2)
IEC 60695 - 2 - 1
BS EN 60947 - 2

Special Applications

690V Application for C-Power ACB

Solution for 690V application available in C-Power Family. For further details please consult our nearest branch office.

Breakers for Corrosive Environment

Solutions for harsh/corrosive environments available in C-Power Family. For further details please consult our nearest branch office.