描述
【Direct Replacement & Cost-Effective Solution】SHOUKE NF-CW series moulded case circuit breaker (MCCB) is a high-quality alternative to mainstream industrial MCCBs, designed for 3-phase industrial power control and distribution. With the same installation dimensions, electrical parameters and performance standards as original models, it can be directly installed without modifying your existing distribution cabinet, helping you reduce costs while ensuring stable and reliable operation.
The SHOUKE NF-CW is a compact, durable moulded case circuit breaker specifically engineered for industrial power systems. It provides comprehensive protection against overload and short-circuit faults, making it ideal for controlling and protecting motors, pumps, fans, machine tools and other industrial equipment. Suitable for AC 50/60Hz, 380/440V three-phase power grids, it meets the daily operation needs of small and medium-sized factories, workshops and industrial sites.
Key Specifications (Core Parameters)
-
Brand & Model: SHOUKE NF-CW Series
-
Rated Current (In): 20A / 30A / 63A (3 options available, choose according to your load current)
-
Pole Number: 3P (3-Pole), suitable for 3-phase 3-wire (380V) industrial circuits
-
Rated Working Voltage: AC 380/440V, compatible with standard industrial power grids
-
Breaking Capacity: 5kA (Icu/Ics), safely cuts off short-circuit current below 5000A to protect lines and equipment
-
Tripping Type: Thermal-Magnetic Tripping (Overload long-time delay protection + Short-circuit instantaneous protection)
-
Shell Frame Level: NF-63CW (maximum rated current 63A)
-
Installation Method: Standard DIN rail installation or screw fixing (easy to install and maintain)
Why Choose Our Replacement MCCB?
✅ Direct Replacement, No Modification Needed
Same outline size, mounting hole position and electrical parameters as the original MCCB (compatible with mainstream models). You can directly replace the old or damaged breaker without adjusting the distribution cabinet, saving time and labor costs for installation.
✅ Stable Performance, Reliable Protection
Adopts high-quality materials and precision manufacturing process, with thermal-magnetic tripping technology. It can quickly respond to overload and short-circuit faults: overload protection (delay tripping when current exceeds rated value for a long time) and short-circuit protection (instant tripping within 0.1 seconds when short-circuit occurs), effectively protecting your industrial equipment and power lines from damage.
✅ Cost-Effective, High Cost Performance
Compared with original brand MCCBs, our replacement model has the same performance but more competitive price, helping you reduce procurement costs significantly while ensuring the normal operation of your industrial power system. Perfect for bulk procurement in factories, workshops and engineering projects.
✅ Industrial-Grade Durability
Designed for harsh industrial environments, with operating temperature range of -20°C ~ +60°C and pollution level 3. It has strong anti-interference ability, corrosion resistance and wear resistance, ensuring long service life even in complex working conditions.
Application Scenarios
The SHOUKE NF-CW series MCCB is widely used in industrial power control and distribution scenarios, including but not limited to:
-
Factory workshop power distribution cabinets and power boxes (main switch or branch switch)
-
Motor control circuits (direct start or star-delta start of three-phase motors)
-
Protection of industrial equipment such as pumps, fans, machine tools and conveyors
-
Secondary side protection of small transformers
-
Power control of small and medium-sized industrial production lines
Installation & Selection Tips
Selection Guide
1. Choose the rated current according to the working current of your equipment: the rated current of the breaker should be slightly larger than the rated working current of the equipment (e.g., 15kW three-phase motor ≈ 30A, choose 30A or 63A model).
2. The 5kA breaking capacity is suitable for small and medium-sized factories with transformer capacity ≤ 1000kVA.
Installation Notes
1. Install on standard DIN rail or fix with screws, ensure firm installation and good contact.
2. Avoid installation in humid, high-temperature or dusty environments (if necessary, use protective covers).
3. After installation, test the tripping function to ensure normal operation before formal use.
Product Guarantee
We provide high-quality after-sales service and product warranty. If you encounter any problems during installation or use, please contact us in time, and our professional team will solve it for you. We also accept bulk orders and customized services to meet your specific needs.
FAQs
Q1: Is this breaker compatible with the original NF-CW series? A1: Yes, it is a direct replacement with the same dimensions, parameters and installation method, no modification needed.
Q2: What is the difference between 20A, 30A and 63A? A2: They are different rated currents, please choose according to the load current of your equipment to ensure effective protection.
Q3: Can it be used for motor protection? A3: Yes, it is suitable for three-phase motor protection, providing overload and short-circuit protection.
评价
目前还没有评价