OEM OFD4Z7 Miniature Circuit Breaker: Industrial-Grade Overcurrent Protection Solution Manufacturers, Manufacturer

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OEM OFD4Z7 Miniature Circuit Breaker: Industrial-Grade Overcurrent Protection Solution Manufacturers, Manufacturer

The OFD4Z7 series miniature circuit breaker is a three-pole overcurrent protection device designed and developed by our company in accordance with the IEC/EN 60898-1 international standard. This product has a rated voltage of 415V (AC 50/60Hz), a rated current coverage of up to 63A, and a breaking capacity of up to 6000A. It is suitable for three-phase four-wire distribution systems. It provides reliable overload and short-circuit protection for circuits and three-phase electrical equipment (such as motors, compressors, heaters, etc.), while also offering isolation functionality. It is an ideal choice for industrial distribution boxes, commercial complexes, and residential three-phase incoming lines.

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Product Description

Frequently Asked Questions

What is the primary function of OFD4Z7 Series Miniature Circuit Breakers?

The OFD4Z7 series miniature circuit breakers provide essential protection against overload and short-circuit faults in electrical distribution systems, ensuring circuit safety and equipment durability.

What are the differences between 1P, 2P, and 4P circuit breakers?

1P (Single-Pole) breakers protect one line in single-phase circuits. 2P (Double-Pole) breakers protect both live and neutral lines. 4P (Four-Pole) breakers are designed for comprehensive three-phase four-wire electrical installations.

How do I choose the suitable pole configuration for my project?

Select 1P for basic single-phase residential lighting or small appliance circuits, 2P for main single-phase switches or dual-line protection, and 4P for heavy-duty three-phase industrial and commercial equipment.

Are these circuit breakers compatible with standard DIN rail mounting?

Yes, the OFD4Z7 series is engineered with standard modular dimensions suitable for fast, tool-free installation on standard 35mm DIN rail distribution boards.

What protection mechanisms are integrated into these breakers?

They incorporate dual-tripping mechanisms: a thermal tripping device for inverse time-delay overload protection and an electromagnetic mechanism for instant short-circuit tripping.