High-Quality OFIS-125A Series 3P Miniature Circuit Breaker Suppliers, Manufacturers

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High-Quality OFIS-125A Series 3P Miniature Circuit Breaker Suppliers, Manufacturers

The OFIS-125A Series 3P Miniature Circuit Breaker is a triple-pole protection device engineered for three-phase low-voltage distribution systems. Designed to simultaneously interrupt all three phase conductors (L1, L2, L3), it provides coordinated overload and short-circuit protection for three-phase equipment and balanced circuits. This makes it a fundamental component for ensuring operational safety and system integrity in commercial and industrial electrical installations.

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Product Description

Frequently Asked Questions

What is the primary function of the OFIS-125A Series Miniature Circuit Breaker?

The OFIS-125A series is engineered to provide reliable protection against overloads and short circuits in low-voltage electrical distribution systems, safeguarding circuits and equipment from thermal and magnetic damage.

What does the "C63" rating signify in a circuit breaker?

The "C" curve rating indicates that the circuit breaker trips at 5 to 10 times its rated current, making it ideal for standard commercial and residential inductive loads. "63" represents a maximum continuous rated current of 63 Amperes.

How do I choose between 1P, 2P, and 4-Pole MCB models?

Use a 1P breaker for single-phase live line switching, a 2P breaker for simultaneous isolation of live and neutral lines in single-phase setups, and a 4-Pole breaker for complete protection and isolation across 3-phase four-wire electrical configurations.

Are OFIS-125A breakers suitable for industrial installation?

Yes, OFIS-125A series breakers are built with durable, fire-retardant materials and high breaking capacities, making them suitable for residential buildings, commercial spaces, and demanding industrial setups.

How are these circuit breakers mounted inside distribution panels?

These miniature circuit breakers feature standard DIN-rail mounting mechanisms, allowing fast, secure, and tool-free installation into standard electrical distribution boards.