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CNC 4P AC MCB Circuit Breaker YCB7-63N

CNC 4P AC MCB Breaker Features

  • 4-Pole Protection – Protects three phases and neutral together for full circuit safety.

  • Overload Protection – Automatically trips when current exceeds the safe limit.

  • Short-Circuit Protection – Quickly disconnects power during electrical faults.

  • Thermal-Magnetic Trip – Provides fast and reliable fault detection.

  • High Breaking Capacity (6kA) – Safely interrupts high fault currents.

  • DIN Rail Installation – Easy mounting in distribution boards.

  • Wide Current Range – Available from 1A to 63A for different applications.

  • Compact & Durable Design – Long mechanical life and stable performance.

₨ 2,100 ₨ 2,500

CNC 4P AC MCB Circuit Breaker YCB7-63N

The CNC 4P AC MCB Circuit Breaker YCB7-63N is a reliable protection device designed for three-phase electrical systems. It provides four-pole protection, disconnecting all three phases and the neutral line during overloads or short circuits to ensure maximum safety. Equipped with a thermal-magnetic tripping mechanism and 6kA breaking capacity, it delivers fast and stable protection for electrical circuits. Its compact DIN rail design allows easy installation in distribution boards, making it suitable for residential, commercial, and industrial applications.

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Specification Value
Type Standard IEC/EN 60898-1
Rated Current (In) 20A, 32A, 40A, 63A
Poles 4 Pole
Rated Voltage (Ue) 230/400 V
Insulation Voltage (Ui) 500 V
Rated Frequency 50/60 Hz
Rated Breaking Capacity 6000 A
Rated Impulse Withstand Voltage (Uimp) 4000 V
Dielectric Test Voltage at Industrial Frequency (1 min) 2 kV
Pollution Degree 2
Thermo-Magnetic Release Characteristic B, C, D
Electrical Life 6000 cycles
Mechanical Life 20000 cycles
Protection Degree IP20
Ambient Temperature (Daily Average ≤35°C) -25~+70°C
Storage Temperature -25~+70°C
Terminal Connection Type Cable/Pin-type busbar
Terminal Size Top/Bottom for Cable 25 mm² / AWG 18-3
Terminal Size Top/Bottom for Busbar 25 mm² / AWG 18-3
Tightening Torque 2 N·m / 18 In-lbs
Mounting On DIN rail EN 60715 (35 mm) by means of a fast clip
Connection From top and bottom
Reference Temperature for Setting of Thermal Element 30°C

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