Siemens 230/400V - 63A, 1-Pole, Miniature Circuit Breaker (MCB)

Siemens 230/400V · 63A · 1-Pole Miniature Circuit Breaker (MCB) delivers reliable overcurrent protection for single-phase circuits in demanding industrial, commercial, and OEM environments.

With a 63A current rating and a 1-Pole configuration, this MCB provides precise, space-efficient protection for panelboards, switchboards, and control panels. Its 230/400V operating range makes it suitable for typical power systems in industrial settings, ensuring safe operation across a range of voltages.

• Current rating: 63A
• Poles: 1-Pole
• Breaker type: Miniature Circuit Breaker (MCB)
• Voltage rating: 230/400V

This Siemens MCB is ideal for protecting feeders and circuits in distribution panels and motor control centers, where dependable overcurrent protection helps prevent damage, downtime, and safety hazards. Its single-pole design is well-suited for single-phase circuits commonly found in control panels and light-to-moderate load feeders.

Key advantages

• Compact, reliable protection for single-phase circuits in tight panel layouts
• Consistent Siemens engineering quality for predictable performance in critical installations
• Versatile across industrial, commercial, and OEM applications

Practical tips

• Choose a 63A MCB when your circuit draws up to 63A under normal operating conditions within a 230/400V system
• Use in panelboards, switchboards, or control panels where single-pole protection is a priority
• Regularly inspect termination connections and verify trip history to maintain ongoing protection integrity