









ALF-63
ALF-63N/H series high breaking miniature circuit breaker(MCB),conforms to IEC60898 standard, MCB has the characteristic of reliable performance, precise protective function, short release time ,and high break capacity, small volume as well, It widely used in and overload ofcontactor ,switchgear and electric apparatus.
- Product Description
- Specifications
- Product Features
- More Details
Product Description
ALF-63N/H series high breaking miniature circuit breaker(MCB),conforms to IEC60898 standard, MCB has the characteristic of reliable performance, precise protective function, short release time ,and high break capacity, small volume as well, It widely used in and overload ofcontactor ,switchgear and electric apparatus.
Specifications
Techinical Specification
ALF-63N/H Series Miniature Circuit Breaker | |
Standard | EN/IEC60898-1 |
Breaking capacity(kA) | 6,10 |
Protection | Against overload and short circuit |
Rated current(A)In | 1,2,3,4,6,10,13,16,20,25,32,40,50,63 |
Rated voltage(V) | 1PAC 230/400,240/415 |
1P+N,2P,3P,3P+N,4PAC400/415 | |
Rated impulse withstand voltage Uimp(kV) | 4 |
Rated insulation voltage Ui(V) | 500 |
Energy limiting cass | 3 |
Ambient temperature(℃) | -25~+40,Max.95%humidity |
Thermal operating limit | 1.13xln No tripping within an hour |
1.45xIn Tripping within an hour | |
Magnertic operating | B:(3-5)xIn,C:(5-10)xIn,D:(10-20)xIn |
Number of poles | 1P,1P+N,2P,3P,3P+N and 4P |
Type of trip | Thermal/magnetic release |
Terminal capacity | 16mm² flexible or 25mm² rigid up to 25A ratings |
25mm²flexible or 35mm²rigid from 32A to 63A ratings | |
Protection degree | IP20 |
Installation | Mounting on 35mm DIN rail |
Width | 17.8mm per pole |
Circuit breaker release characteristic
NO. | Rated current of release(A) | Initial state | Test current | Specified time | Result to be obtained | Remarks |
1 | 1-63 | cold state | 1.13In | t≤1h | Non-trip | |
2 | 1-63 | upon the previous test | 1.45ln | t<1h | trip | Setting current up to specified value steadily in 5s |
3 | In≤32 | cold state | 2.55In | 1s<t<60s 1s<t<120s | trip | |
In>32 | ||||||
4 | 1-63 | cold state | 3In | t≤0.1s | Non-trip | B type |
5In | t<0.1s | trip | B type | |||
5In 10ln | t≤0.1s | Non-trip | C type | |||
10In | t<0.1s | trip | C type | |||
20ln | t≤0.1s | Non-trip | D type | |||
t<0.1s | trip | D type |
Endurance(Operations)
Category | Operation Cycles | Operation frequency | Rated current |
Electrical endurance | 4000 | 240/h | 1-32 |
120/h | 40-63 | ||
Mechanical endurance | 10000 | 240/h | 1-63 |
Product Features
Features
1. Ultra-High Short-Circuit Breaking Capacity
Advanced arc control technology achieves higher interruption capacity compared to industry standards, ensuring reliable protection for industrial-grade electrical systems under extreme fault conditions.
2. Dual-Mode Connection Interface
Integrated hybrid terminal design supports both rigid busbar docking and flexible cable clamping, enabling tool-free adaptation to diverse installation scenarios while reducing wiring time by 40%.
3. Energy-Storage Mechanism for Longevity
Spring-assisted operating system with 10,000 mechanical cycles endurance , featuring wear-compensation technology
4. Advanced Composite Enclosure
with with fame-retarcant,heat-resistant, and impulse -proof properties integrated arc-quenching chambers for contained fault events.
5. Dynamic Current-Limiting Topology
Intelligent let-through energy suppression reduces peak fault currents by 65-80%, enabling downstream device specification optimization with 30% overall system cost reduction potential.
