Miniature Circuit Breakers (MCB) ACE

MCBACE

Salient Features

  • Protection of equipments against current as high as 10,000A.
  • Prevents accidental contact with live parts.
  • The breathing channels are so profiled that the air circulates around individual pole, resulting in cooler operation.
  • LOW WATT LOSS leading to ENERGY SAVING.
  • In the event of an over current or short circuit, the MCB automatically interrupts all the poles even if the MCB knob is held in ON position.
  • TECGRA ACE MCB is designed to allow minimum let through energy in case of fault. It operates with high-speed mechanism in which electrodynamic forces set up by the heavy current due to short-circuit, separate the contacts several times faster, before it could reach the peak volume, thus suppressing the high current.

Technical Specifications

Standard Conformity IS/IEC:60898-2015
Standard Rated Current (In) 6 – 63 A in C series for resistive loads and inductive loads
Execution Single Pole (SP), Single Pole & Neutral (SPN), Double Pole (DP),Triple Pole (TP), Triple Pole & Neutral (TPN), Four Pole (FP)
Rated Voltage (Ue) 240/415 Volts
Frequency 50Hz
Rated Insulation Voltage (Ui) 660 V~
Ambient Temperature -10 to 60° C
Terminal Capacity 25mm2
Energy Limit Class Class 3
Watt Loss As per the IS/ IEC Standards
Rated Short Circuit Breaking Capacity (Icn) 10,000A (10kA)
Index of protection IP20 (IP40)
Impulse withsdtand voltage (Uimp) 4 kV
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