Chint Residual Current Circuit Breaker 2 Pole NXBLE-63 /Hallroad.org.pk

Residual current circuit breakers (RCCB) provide the function of electric circuit control and can protect people against indirect contacts and additional protection against direct contacts. It can also protect installations against fire hazards due to insulation faults Chint Residual Current Circuit Breaker 2 Pole NXBLE-63.

Features:

• RCCB (residual current circuit breakers) are also named ELCB (earth leakage circuit breakers).
• This is a safety device used in electrical installations with high earth impedance to prevent shock.
• It detects small stray voltages on the metal enclosures of electrical equipment and interrupts the circuit if a dangerous voltage is detected.
• This is a specialized type of latching relay that has a building’s incoming main power connected through its switching contacts so that it disconnects the power when earth leakage is detected.
• These breakers typically consist of a current transformer, which has multiple primary windings and one secondary winding.
• Neutral and line (or lines in multiple phase systems) wires act as the primary windings.
• A wire-wound coil is the secondary winding.
• The current through the secondary winding is zero at the balanced condition.
• In the balance condition, the flux due to the current through the phase wire will be neutralized by the current through the neutral wire, since the current, which flows from the phase will be returned to the neutral.
• When a fault occurs, a small current will flow to the ground also.
• This makes an unbalance between line and neutral current and that creates an unbalanced magnetic field.
• This induces a current through the secondary winding, which is connected to the sensing circuit.
• This will sense the leakage and send the signal to the tripping system.

Specifications:

• Product: 2 pole earth leakage/residual current circuit breaker
• Brand: Chint
• Model: NXBLE-63
• Rated Residual Current/Current sensitivity: 30 mA
• Short-Circuit Current Rating: 0.03 mA
• Rated current: optional (25,32,40 Ampere)
• Number of Poles: 2
• Rated Voltage: 230 V
• Rated Frequency: 50/60 Hz
• Mounting on: 35mm DIN rail
• Terminals type: screw terminals

Package Includes:

1 x Chint Residual Current Circuit Breaker 2 Pole NXBLE-63 

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Chint Residual Current Circuit Breaker 2 Pole NXBLE-63