2P 63A DZ47 Miniature Circuit Breaker

Our 2P 63A DZ47 Miniature Circuit Breaker is a high-performance circuit protection device designed for 230V/400V AC single-phase power systems. It automatically cuts off the power supply in case of overload or short circuit, preventing electrical fires and equipment damage. Adopting precision engineering and vacuum arc extinguishing technology, it ensures 4000A rated breaking capacity and stable long-term performance. The flame-retardant PC housing is heat-resistant, impact-resistant, and self-extinguishing. It is widely used in home distribution boxes, commercial power distribution, and industrial control scenarios, providing reliable protection for electrical circuits.

NEW QUALITY UPGRADE & MORE DURABLE

Our DZ47-63 2P MCB has undergone a full quality upgrade. Precision engineered from the inside out, each component is meticulously inspected from material selection to final assembly. We utilize advanced arc extinguishing systems and high-quality copper contacts to ensure reliable circuit interruption and stable performance. The shell is made of high-strength thermosetting PC flame-retardant material, which is heat-resistant, impact-resistant, and self-extinguishing. Each product undergoes strict electrical life testing, mechanical life testing, and third-party inspection by the Zhejiang Low Voltage Electrical Product Quality Inspection Center before leaving the factory. It can operate stably for a long time in extreme temperature environments, with stronger safety performance and longer service life.

STRUCTURAL ANALYSIS

The MCB adopts a compact and scientific structure, including 4 core components:

1.  WIDENED D-TYPE HANDLE : Ergonomic curvature conforming to human operating habits, improving operational comfort and reducing fatigue.

2.  GUIDE RAIL BUCKLE : Convenient, fast, and easy to snap in operation, compatible with standard 35mm DIN rails.

3.  LARGE INTERFACE TERMINALS : High-quality pressure plate wiring terminals, effectively preventing wire breakage and leakage.

4.  THERMOSETTING FLAME-RETARDANT SHELL : Safe and flame retardant, with heat resistance, impact resistance, and self-extinguishing functions.

5.  VISUALIZATION WINDOW : Clear visibility of power ON/OFF status, preventing accidents caused by operational errors.

ERGONOMIC D-TYPE HANDLE FOR COMFORTABLE OPERATION

Our MCB is equipped with a large, widened D-shaped operating handle. The curved design fits human operating habits, providing a comfortable grip and smooth switching operation, even with gloved hands. It effectively reduces operational fatigue during frequent switching, making daily circuit control easier and more convenient.

EXTREME TEMPERATURE RESISTANCE & HIGH ADAPTABILITY

Engineered to withstand harsh environments, the DZ47-63 MCB operates reliably in a wide temperature range of -35℃ to 70℃ . It is suitable for cold mountainous regions, hot desert climates, and other extreme environments, ensuring uninterrupted circuit protection year-round without performance degradation.

OUR PRODUCTS VS. OTHER PRODUCTS

FOUR CORE SELLING POINTS

•  SAFE PROTECTION : Dual overload & short-circuit protection, effectively safeguard electrical equipment and personal safety.

•  PREMIUM MATERIAL : Flame-retardant PC housing, high-temperature resistant, anti-aging, and long service life.

•  USER-FRIENDLY DESIGN : Ergonomic D-type handle, visual status window, easy operation and maintenance.

•  WIDE APPLICABILITY : -35℃~70℃ operating temperature, suitable for various residential, commercial, and industrial scenarios.

THE SHELL IS STURDY AND SHOCK RESISTANT

The shell is made of high-strength thermosetting PC flame-retardant material, with a smooth and burr-free surface after fine processing, presenting a beautiful and elegant appearance. It has excellent shock resistance and compression resistance, can resist daily collision and mechanical vibration, and will not deform or damage. The material is anti-corrosion and anti-aging, suitable for long-term stable use in various complex environments, with an operating temperature range of up to 70℃.

FLAME RETARDANT PC MATERIAL

The shell adopts high-performance flame-retardant PC engineering plastic with excellent flame retardant and insulation properties. It can effectively inhibit combustion and prevent fires caused by high temperatures generated by faults such as short circuits and overloads, thus better ensuring the overall safety of the power system. The material is also heat-resistant, impact-resistant, and self-extinguishing, with a long service life.

HIGH QUALITY TERMINAL BLOCK

Using high-quality pressure plate wiring terminals, it not only ensures strong conductivity but also reduces losses. The large contact area effectively prevents wire breakage and leakage, with strong overload resistance and stable performance. The wiring is simple, allowing for easy and quick installation, ensuring safe and reliable operation of the circuit breaker.

CAN BE USED WITH DIN RAIL

It can be installed using the universal DIN35mm standard guide rail, unlocking more usage scenarios. The DIN rail mounting design is compatible with various distribution cabinets and electrical equipment, with easy installation and disassembly, no need for complicated tools, suitable for quick deployment in different scenarios.

EASY TO INSTALL & SECURE WIRING

The MCB is suitable for DIN35mm standard guide rail, with easy installation and disassembly. The 2P model is designed for 220V single-phase systems, connecting one live wire and one neutral wire. The wiring diagram is clear and intuitive, with top terminals for power supply inlet and bottom terminals for power supply outlet, which can effectively avoid wrong wiring. The high-quality copper terminals are firm and reliable, not easy to loose under long-term vibration, ensuring safe and stable operation.

PRODUCT PARAMETERS

SELECTION GUIDE

How to Calculate the Number of Amperes?

Formula: Current (A) = Power (W) / Voltage (V) . Calculate the total power of electrical appliances and divide by the system voltage to determine the required rated current.

How to Choose the P Number?

◦ 1P: Single pole, 18mm wide, for 230V live wire only.

◦ 1P+N: Single bipolar, 18mm wide, for 230V live + neutral.

◦ 2P: Bipolar, 36mm wide, for 230V live + neutral (this product).

◦ 3P: 3-pole, 54mm wide, for 400V 3-phase live wires.

◦ 4P: 4-pole, 72mm wide, for 400V 3-phase live + neutral.

Ampere & Wire Matching Table

Selection Tip : Always choose a circuit breaker with a rated current lower than the wire's maximum carrying capacity  to ensure safety.

WIDELY USED

Our 2P 63A DZ47 Miniature Circuit Breaker is widely used in:

•  RESIDENTIAL BUILDING : Home distribution boxes, household circuit protection for lighting, sockets, and high-power appliances.

•  COMMERCIAL BUILDING : Office buildings, retail stores, commercial power distribution systems.

•  INDUSTRIAL AUTOMATION : Small machinery, control panels, industrial distribution systems.

•  RENEWABLE ENERGY : Solar PV systems, wind power generation, energy storage systems.

•  INFRASTRUCTURE : Street lighting, public facilities, outdoor electrical systems.

FAQ

1.WHAT IS THE MAIN FUNCTION OF THIS PRODUCT?

It is mainly used for circuit protection in 220V single-phase power systems, automatically cutting off the power supply in case of overload or short circuit to prevent electrical fires and protect electrical equipment and personal safety.

2.WHAT IS THE RATED BREAKING CAPACITY?

The DZ47-63 series has a rated breaking capacity of 4000A, which can safely cut off the circuit in the event of a severe short circuit, ensuring maximum safety.

3.WHAT IS THE OPERATING TEMPERATURE RANGE?

The product can operate stably in a wide temperature range of -35℃ to 70℃, suitable for various extreme environments.

4.WHAT IS THE INSTALLATION METHOD?

It supports standard 35mm DIN rail mounting, with simple wiring and quick snap-in installation, compatible with all distribution boxes.

5.HOW LONG IS THE SERVICE LIFE OF THIS CIRCUIT BREAKER?

It is tested for 10,000 electrical life cycles and 20,000 mechanical life cycles, ensuring a long service life of 10+ years under normal operating conditions.

6.WHAT CERTIFICATIONS DOES THIS PRODUCT HAVE?

This product is certified by CE (European Union) and CCC (China Compulsory Certification), and complies with international standard IEC60898-1 and national standard GB10963.1.