Product Overview.
UCB100C Molded Case Circuit Breaker (MCCB) is applied in low-voltage AC distribution circuits. It provides overload and short-circuit protection to avoid circuit faults and guarantee stable power supply for commercial & industrial systems.
Product Features
Dual thermal-magnetic trip protection; high ultimate breaking capacity; high-strength flame retardant housing; compact structure; long mechanical & electrical service life, stable performance.
Technical Parameters
| Parameter | Specification |
| Frame (AF) | 100 |
| Trip device | Thermal Magnetic |
| Breaking capacity (kA), Icu 415VAC | SKUAB 100 |
| Pole (P) | 2,3,4 |
| Rated current (A) | 60,75,100 |
| Rated insulation voltage (V), Ui | 690 |
| Rated operational voltage (V), Ue | 380/415/440 |
| Rated impulse withstand voltage (kV), Uimp | 8 |
| Extreme short-circuit breaking capacityIcu AC 50/60Hz | |
| 220V/240V | 25 |
| 380V | 14 |
| 415V | 10 |
| 440/460V | 10 |
| 600/660V | 5 |
| Service breaking capacity[Ics=%Icu] | 75 |
| Endurance(Durability) – Mechanical | 25000 |
| Endurance(Durability) – Electrical | 15000 |
Application Scope
Suitable for factories, commercial buildings, shopping malls, photovoltaic systems, small generator sets and other low-voltage distribution projects.
Operating Conditions
Ambient temperature: -5℃~+40℃; Installation altitude ≤2000m; Dry and ventilated environment, free of corrosive gas and violent vibration.
Installation & Maintenance
Standard fixed installation. Check specifications before power on. Tighten terminals and remove dust regularly. Never disassemble the housing under live power.
Precautions
Select rated current according to load. Do not alter internal components. Troubleshoot circuit faults before reclosing. Keep away from flammable and explosive materials.
Model Description
UCB 100C
After-sales Service
Full inspection before delivery. Warranty available under standard operation. Free technical selection support and prompt customer service.
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