Salient Features

• Rated Voltage: 11 kV / 22 kV / 33 kV
• Rated Current: Up to 4000 A
• Short Circuit Breaking Capacity: Up to 40 kA for 3 sec
• Type: Indoor / Outdoor, Fixed / Draw-out type
• Insulation Medium: Air-insulated, with vacuum interrupters for arc extinction
• Control Supply: 110 V / 220 V AC or DC
• Frequency: 50 Hz
• Compact, modular, and user-friendly design
• Front access for ease of operation and maintenance

Constructional Details

• Enclosure: Fabricated from CRCA sheet steel with epoxy powder coating for corrosion resistance
• Interlocks: Mechanical and electrical interlocks to prevent maloperation
• Bus Bars: High-conductivity copper / aluminum, fully insulated and color coded
• Vacuum Interrupter: Long-life vacuum bottle ensuring arc-free switching and minimal maintenance
• Breaker Mechanism: Spring-charged or motor-operated mechanism for reliable operation
• Metering & Protection: Digital meters, relays, and protection devices integrated as per system design

Protection & Control

• Protection Relays: Overcurrent, Earth Fault, Under/Over Voltage, and Differential protection
• Auxiliary relays, trip circuits, and control wiring as per customer specification
• SCADA-compatible monitoring and remote operation available

Testing & Quality

• Type tested and routine tested as per IS / IEC standards
• Tests include high-voltage withstand, mechanical endurance, and interlock verification
• Fully assembled and functionally tested before dispatch

Applications

• Distribution and Substation Networks
• Industrial Power Systems
• Commercial Complexes and Institutions
• Renewable Energy Substations (Solar / Wind)
• Utility and Infrastructure Projects

Optional Features

• Numerical Protection Relays (Feeder / Transformer / Motor Protection)
• Remote SCADA / IoT Interface
• Motorized Truck Operation
• Duplex Type or Double Busbar Configurations
• Synchronizing and Metering Panels