Miniature Circuit Breaker NU47-40 China Supplier
The NU47-40 Miniature Circuit Breaker provides reliable protection against overload and short circuits, ideal for industrial, commercial, and distribution systems.
Product Parameter
Model: NU47-40
Rated Current Range: 1A–63A
Rated Voltage: 230V / 400V AC
Poles Available: 1P / 2P / 3P / 4P
Product Functions
- Short circuit protection
- Overload protection
- Control Isolation
- Circult breaker is sultable for low-voltage terminaldistribution in industrial, civill building,energy
and infrastructurefields.
Standard
- GB/T 10963.1
- IEC 60898-1
Technical parameter
| Technical parameter | |
| Rated current | 1,2,3,4,5,6,10,16,20,25,32,40,50,63A |
| Rated working voltage | 230V/400VAC |
| Maximum operating voltage | 440VAC |
| Breaking capacity | 4500A |
| Impulse withstand voltage | 4kV |
| Mechanicallfe | 20000times |
| Electrical life | 10000times |
| Environment | Operatingambient temperature:-30°C -+70°C |
| Altitude | ≤2000m |
Product Accessory
OF auxiliary contact (left mounted), SD alarm contact (left mounted),
MX shunt release(right mounted), MX+OF shunt+auxiliary(right mounted
MN undervoltage release(right mounted),
MV overvoltage release (right mounted),
MV+MN overvoltage/undervoltage release (right mounted)
Wiring & Installation
- It can adopt either upper inlet and lower outlet method or lower inlet and upperoutlet method without the need for capacity reduction
- Terminal wiring area Suitable for wire of 16mm’and below
- Modular structure enables easyinstallation on standard DIN rall
- It can be installed vertically,horizontally or on the back without affecting its characteristic
- Rated torque:2.5Nm
Tripping characteristic
C type curve:
- Protection of general load and distribution cable
- Tripping characteristic: Instantaneous tripping range (5-10) In
D type curve:
- Protection of the impact load with high starting current
- Tripping characteristic: instantaneous tripping range (10-20)in
Product Detail
The NU47-40 Miniature Circuit Breaker is a low-voltage protection device designed to safeguard electrical circuits from overload and short-circuit conditions. It automatically disconnects power when abnormal current is detected, ensuring the safety of electrical systems and connected equipment.
This Miniature Circuit Breaker is widely used by industrial users, commercial facilities, electrical contractors, and distributors in power distribution panels, control systems, and building electrical networks. Its compact design allows easy installation in standard distribution boards.
As a professional manufacturer, supplier, and factory in China, we provide stable quality products with OEM/ODM customization, private labeling, and competitive wholesale price solutions. We support bulk procurement for wholesalers, distributors, and engineering projects.
Meta Description
NU47-40 Miniature Circuit Breaker from China manufacturer & supplier. OEM/ODM factory, wholesale price for distributors, contractors, and bulk buyers.
Product Features
Efficient overload and short-circuit protection
Compact modular design for easy installation
Stable performance with long mechanical and electrical life
Suitable for industrial and commercial applications
OEM/ODM, customization, and bulk supply supported
FAQ
Q1: What is the NU47-40 Miniature Circuit Breaker used for?
A: It is used to protect electrical circuits from overload and short circuits in industrial, commercial, and residential distribution systems.
Q2: Are you a manufacturer or supplier of Miniature Circuit Breakers?
A: Yes, we are a professional manufacturer and supplier offering factory direct sales, OEM/ODM services, and wholesale supply.
Q3: Can I customize the NU47-40 Miniature Circuit Breaker?
A: Yes, we support OEM/ODM, including branding, packaging, and specification customization for distributors and wholesalers.
Q4: Who are the target buyers for this product?
A: Industrial users, commercial users, electrical contractors, wholesalers, and distributors.
Q5: Do you offer bulk purchase and wholesale price?
A: Yes, we provide competitive wholesale pricing and support bulk orders for global distributors and project contractors.
What is the NU47-40 Miniature Circuit Breaker used for?
It is used to protect electrical circuits from overload and short circuits in industrial, commercial, and residential distribution systems.
Are you a manufacturer or supplier of Miniature Circuit Breakers?
Yes, we are a professional manufacturer and supplier offering factory direct sales, OEM/ODM services, and wholesale supply.
Can I customize the NU47-40 Miniature Circuit Breaker?
Yes, we support OEM/ODM, including branding, packaging, and specification customization for distributors and wholesalers.
Who are the target buyers for this product?
Industrial users, commercial users, electrical contractors, wholesalers, and distributors.
Do you offer bulk purchase and wholesale price?
Yes, we provide competitive wholesale pricing and support bulk orders for global distributors and project contractors.
