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| Parameter | Specification |
| Conform to standard | EN60898(IEC898), GB/T 10963.1 |
| Rated voltage (Ue) | 230V/400V; 50/60Hz |
| Rated breaking capacity Ics | 6kA IEC898(1–63A) |
| Trip characteristic | B, C, D Type characteristics curve |
| Max fuse than can be connected to | 100A gL(>10kA) |
| Selection grade | 3 |
| Work environment temperature | –5°C ~ +40°C |
| Case protection grade | IP40 (After installation) |
| Electrical life | Not less of 8000 times switching operation |
| Mechanical life | Not less of 20000 times switching operation |
UKB5 MCB 6-63A 1Pole 6kA Semko CE Certified
UKB5-63 series Miniature Circuit Breaker
The UKB5-63 series Miniature Circuit Breaker (MCB) is a core protection device designed for modern residential and commercial electrical installations.
This single-pole 63A MCB offers a high breaking capacity of 6kA, ensuring rapid and reliable interruption of electrical circuits during overload or short-circuit faults.
It effectively safeguards wiring, equipment, and property while complying with the international IEC 60898-1 standard. With its compact design and easy installation, it is an ideal choice for upgrading or replacing distribution board components.
Free Quote NowKey Features
- Reliable Overload & Short-Circuit Protection: Precision magnetic and thermal tripping mechanisms provide comprehensive circuit protection.
- High Breaking Capacity: 6kA breaking capacity to handle most short-circuit currents in common building applications.
- Wide Compatibility: Rated voltage of 230/400V AC, suitable for most single-phase and three-phase power distribution systems globally.
- Compact Design: Monopole module width of only 17.8mm, saving space in distribution boards and simplifying installation.
- Exceptional Mechanical & Electrical Lifespan: Mechanical durability of 20,000 operations and electrical endurance of no less than 8,000 operations.
- Easy Installation: Compatible with standard 35mm top-hat rails and equipped with dual-purpose terminals for conductors (1-25mm²) or busbars (0.8-2mm thickness).
- Safety Certified: Complies with EN60898 (IEC898), GB/T 10963.1, and other international and national standards for guaranteed safety and reliability.
Applications
- Protection of lighting and socket circuits in residential buildings
- Power distribution systems in commercial spaces (e.g., offices, retail stores, hotels)
- Control panels and distribution boards in industrial setting.
- Any single-phase AC circuit requiring 63A current protection.
Mechanical Parameters
| Parameter | Specification |
| The length of exposed plane | 45mm |
| Enclosure height | 81.4mm |
| Enclosure width | 17.8mm every pole (monopole) |
| Mounting manner | The standard IEC 35mm rail |
| Terminal manner | Dual purpose terminal can connect generatrix and wire |
| Terminal block capability | Conductor 1-25mm, Generatrix thickness 0.8-2mm |
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