Product Specifications
Technical Parameters
| Parameter | Value | Unit |
|---|---|---|
| Product Type | High Current Miniature Circuit Breaker | - |
| Number of Poles | 1P, 2P, 3P, 4P | - |
| Rated Operating Voltage Ue | 1P: AC 230/400; 2P, 3P, 4P: AC 400 | V |
| Rated Current In | 63-125 | A |
| Rated Frequency | 50 | Hz |
| Rated Short-Circuit Breaking Capacity Icn | 10 | kA |
| Rated Insulation Voltage Ui | 500 | V |
| Maximum Operating Voltage Umax | 1P: AC 230/400; 2P, 3P, 4P: AC 400 | V |
| Rated Impulse Withstand Voltage Uimp | 4 | kV |
| Dielectric Test Voltage | 2kV (50/60Hz, 1 minute) | - |
| Isolation Function | Available | - |
| Pollution Degree | 2 | - |
| Tripping Type | Thermal Magnetic Release | - |
| Trip Characteristics | C Curve (Ii=8.5In); D Curve (Ii=12In) | - |
| Electrical and Mechanical Accessories | Available | - |
| Mechanical Endurance | 20000 | Operations |
| Electrical Endurance | 6000 operations (In≤100A); 4000 operations (In>100A) | Operations |
| Protection Degree | IP40 (installed in distribution box); IP20 (direct installation) | - |
| Mechanical Shock Resistance | 30g, impact duration 11ms | - |
| Vibration Resistance | Complies with IEC/EN 60068-2-6 | - |
| Damp Heat Resistance | Category 2, 28-day cyclic test | - |
| Reference Ambient Temperature | 30 | ℃ |
| Operating Temperature | -35~+70 | ℃ |
| Storage Temperature | -40~+85 | ℃ |
| Terminal Type | U-Type Terminal | - |
| Maximum Cable Capacity | 50 | mm² |
| Maximum Tightening Torque | 3.5 | N·m |
| Installation Method | Standard 35mm DIN Rail Mounting | - |
| Wiring Method | Top and Bottom Wiring Available | - |
尺寸图
尺寸图
Product Overview
The DZ47v-125 series high current circuit breaker is a new-generation low-voltage protection device specially designed for high-current terminal distribution systems. Developed with an advanced technology platform, it combines compact dimensions with enhanced current-carrying capability and reliable protection performance, effectively protecting electrical circuits and equipment from overloads and short circuits. The DZ47v-125 circuit breaker is suitable for AC 50Hz low-voltage distribution systems, with a maximum rated operating voltage of AC 400V and a rated current range of 63-125A. It is available in multiple pole configurations including 1P, 2P, 3P, and 4P, providing flexible solutions for different electrical distribution applications. The product adopts thermal-magnetic trip protection technology, ensuring fast and reliable fault protection. C and D trip curves are available to match different load characteristics, making it suitable for lighting systems, motors, industrial equipment, and various electrical loads. With a rated short-circuit breaking capacity of up to 10kA, the DZ47v-125 provides excellent short-circuit protection performance. The integrated isolation function allows safe electrical isolation during maintenance and inspection. The DZ47v-125 adopts a standard 35mm DIN rail mounting design and supports top and bottom wiring. Equipped with U-type terminals, it supports conductor sizes up to 50mm², ensuring convenient installation and easy maintenance. With high breaking capacity, stable mechanical performance, and excellent environmental adaptability, the DZ47v-125 series high current circuit breaker is widely used in industrial distribution cabinets, building electrical systems, machinery control cabinets, renewable energy projects, and other low-voltage protection applications.
Need Help?
Send us the model number or purchase list. We'll check price and availability.