4 Pole MCB 20A-63A | AC Circuit Breaker

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₨ 1,900

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AMPERE20A, 32A, 40A, 63A
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About brand
CNC LEGACY Founded: 1988 in Yueqing — the heart of China's electrical industry. CNC Electric began its journey as a specialist in low-voltage electrical and power transmission & distribution products. Since then, CNC has emerged as a global leader in delivering safe, reliable, and innovative solutions. Mission & Vision Mission: “To deliver power for a better life to the broadest audience!” Vision: To become the preferred brand in the electrical industry. Core Values Innovation Quality Customer-first philosophy Integrity Collaboration Efficiency Continual learning Joyful dedication Global Reach & Certifications Operating across more than 100 countries, CNC’s reach extends into every corner of the globe. Recognised certifications and approvals include: ISO 9001 ISO 14001 OHSAS 18001 CE CB SEMKO KEMA TÜV These certifications attest to CNC’s commitment to quality and safety. Your Trusted Partner for CNC Electric in Pakistan Welcome to CNC Electric Pakistan, your sole importer and distributor of authentically certified CNC Electric products in Pakistan since 2022. Backed by the renowned Cognitive Solutions, we ensure 100% quality assurance and unrivaled access to high-performance electrical components.

Description

CNC YCB7-63N 4 Pole AC MCB

This 4 pole miniature circuit breaker protects three-phase + neutral circuits against overload and short circuit faults. It is commonly used in three-phase distribution boards for commercial buildings, factories, and agricultural pump feeders across Pakistan.

The YCB7-63N series is DIN-rail mounted and fits standard Pakistani DB enclosures. Each unit covers all four conductors (L1, L2, L3, N) in a single trip mechanism, so a fault on any phase disconnects the entire supply — preventing single-phasing damage to motors and compressors.

Specifications

Model YCB7-63N (4P)
Poles 4 Pole (3P+N)
Rated Current 20A, 32A, 40A, 63A
Rated Voltage AC 400V / 50Hz
Breaking Capacity 6kA
Trip Curve C Curve
Mounting 35mm DIN Rail
Standard IEC 60898

Typical Applications

  • Main breaker for 3-phase DB boards in shops, offices, and small factories
  • Motor feeder protection (submersible pumps, compressors up to 63A)
  • Generator changeover panel — WAPDA/generator incoming side
  • Three-phase solar inverter AC output protection

Installation Note

Wire the neutral through the 4th pole. On a fault, all four poles trip simultaneously. Use 6mm² copper wire for 32A and below; 10mm² for 40A and 63A ratings. Torque terminal screws to 2.5 Nm.