Detailed Product Description

The ABB SJ204-C63 (Part No. 2TAZ144400R0634) is a premium-quality 4-pole miniature circuit breaker engineered to deliver dependable electrical protection in demanding industrial and commercial environments. Built under ABB’s reputable SJ200 series, this MCB ensures safe and efficient interruption of overloads and short circuits while maintaining long-term operational reliability.

Designed for three-phase power distribution systems, this breaker provides complete isolation across all phases and neutral. With a 63-ampere rating and Type C tripping characteristic, it is ideal for circuits with moderate inrush currents such as motors, inductive loads, and high-capacity lighting systems.

Key Product Features

• Manufacturer: ABB

• Part Number: 2TAZ144400R0634

• Model: SJ204-C63 (SJ200 Series)

• Number of Poles: 4P (3-phase + neutral)

• Rated Current: 63 A

• Voltage Rating: 230/400 V AC

• Tripping Curve: Type C (thermal-magnetic)

• Breaking Capacity: Suitable for industrial fault levels (per ABB SJ200 standards)

• Mounting: Standard DIN-rail (modular design)

• Protection Level: IP20

• Material: Halogen-free, flame-retardant thermoplastic housing

• Standards Compliance: IEC/EN 60898-1

Applications

• Industrial and commercial distribution boards

• Three-phase motor circuits

• Power panels requiring neutral disconnection

• Lighting systems with moderate inrush

• Control cabinets and automation systems

• Sub-distribution circuits in buildings and factories

Benefits

• High Reliability: Ensures effective protection against short circuits and overloads.

• 4-Pole Safety: Facilitates complete isolation, including neutral conductor.

• Long Life Cycle: High endurance for heavy-duty electrical environments.

• Easy Installation: Modular, compact design fits all standard DIN-rail systems.

• Premium Build Quality: Manufactured by ABB for durable and consistent performance.

Packaging & Handling

Each breaker is individually packaged to protect against transit damage. Suitable for storage in ambient temperatures between −25°C and +55°C.