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The BD1-63S Miniature Circuit Breaker is engineered for reliable protection of low-voltage electrical circuits against overloads and short-circuit faults. Designed to operate in AC power systems at 50/60 Hz, this breaker supports rated currents up to 63 A and is available in 1-pole, 2-pole, 3-pole, and 4-pole configurations for flexible installation needs.
This breaker series complies with international protection standards and is suitable for use in lighting distribution systems and power lines within industrial facilities, commercial buildings, high-rise structures, and residential dwellings.Â
Key Features
Wide Voltage Range: 230 V for single pole and 400 V for double/three/four poles
Rated Current: Up to 63 A across multiple pole configurations
Reliable Protection: Effective defense against overloads and short circuits
International Standard Compliance: Conforms to IEC60898 series breaker standards
Multiple Tripping Curves: Available with common B, C, D trip characteristics (load-dependent)
Compact Design: Modular form factor for easy DIN-rail mounting
Flexible Integration: Designed for industrial, commercial, and residential distribution boards
Infrequent Switch Operation: Supports manual line switching during maintenance (non-frequent)
Typical Applications
Power distribution boards in industrial plants
Electrical systems in commercial districts and offices
Lighting and load protection in high-rise residential buildings
Residential electrical panels and household distribution
OEM panel manufacturing and electrical contracting projects
technical parameters
FAQ
It provides automatic protection against overload and short-circuit faults in low-voltage AC electrical systems. It interrupts the circuit when dangerous current levels are detected.
This breaker supports 230 V (single pole) and 400 V (multi-pole) configurations with rated currents up to 63 A, suitable for various load types in distribution boards.
Yes — it is widely used in industrial, commercial, high-rise, and residential electrical installations and fits standard DIN-rail panels.
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