L&T AIR CIRCUIT BREAKERS
L&T Air Circuit Breakers
- Comprehensive range: 400A to 6300A
- Ics=lcu=lcw for complete selectivity
- Proven track record of over 30 years with 250,000 installations
- Elegant design and rugged construction
- Unique pole design for bounce free operation
- High mechanical and electrical life
- Optimally compact ACBs with adequate terminal capacity and low temperature rise
- Suitable for direct termination of aluminum links
- Distinct ‘maintenance’ position in draw-out ACBs
- Common depth and height up to 4000 A
- In-built mechanical anti-pumping feature
- ( є marking for C & H range of ACBs
C-Power
Protection & Control Units for C-Power
Comprehensive range of microprocessor based protection and control units with true-RMS sensing, self-Powered protections, fault annunciation & communication capabilities
SR61 C – Communication capable Protection and control units with current metering, faulthistory and zone selective interlocking
SR21i – Over current and earth fault protection with zone selective interlocking
SR 18/18G – Practical all round solution with over current and earth fault protections
C-Power
Also Available
Thermo magnetic protection and control unit DN1 and solid state protection and control unit SR15G
U-Power
- 400A to 6300A in four optimized frame sizes
- Standard 100% neutral rating. 50% and 200% neutral ratings also available
- Unique arc chute interlock prevents breaker closing when arc chute is missing
- Smart racking shutter ensures total safety in racking operations
- Unique pole design ensures energy saving through low watt loss
- Common height and depth across the range
- Display of complete accessory information on front facia
- Tool-less fixing of voltmetric releases
- Suitable for direct termination of aluminum links
- Independent locking of ON/OFF buttons
- Optimally compact dimensions, without sacrificing termination area
U-Power
Protection & Control Units for U-Power
- Comprehensive range of micro-controller based protection and control units
- Real-time on-line graphical representation of protection characteristics on high resolution LCD display
- Basic protections independent of external Power supply
- Additional protections for voltage variation, frequency variation, undercurrent, reverse Power, temperature rise, earth leakage and restricted earth fault
- Event recording and fault history
- Metering of current, voltage, Power, energy, frequency and Power factor
- Communication capable on MODBUS protocol
- Trip circuit supervision
- Two storable settings
U-Power
Com Manager TM
- Comprehensive solution for protection and Power management
- Controls up to 32 devices on MODBUS protocol, extendable to 256 devices
- Customized single line diagram of Power system
- Integrates all communicable L& T products viz. ACB’s, MCCB’s and meters . Intuitive windows based graphical user interface (GUI)
- Remote real-time monitoring and data acquisition
- Comprehensive reporting and alarm management
- Real-time and historical trending
- Multi-level password protection
Com Manager TM
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