Description
General
1.Overload protection
2.Short circuit protection
3.Controlling
4.Used in residential building, non-residential building, energy source industry and infrastructure.
Description
Type：KRF
Product Name：27mm Miniature Circuit Breaker
In（A）：32,63,100
Poles：1P
Breaking Capacity：6kA
Tripping Curve：8~12In
Certificate：CE,EAC
| Type | Standard | IEC60947-2 | IEC/EN 60898-1 |
| Electrical features | |||
| Rated current In | A | 32, 63, 100 | |
| Poles | P | 1, 2, 3, 4 | |
| Rated voltage Ue | V | 230/400 | |
| Insulation voltage Ui | V | 500 | |
| Rated frequency | Hz | 50/60 | |
| Rated breaking capacity | A | 6000 | |
| Rated impulse withstand voltage (1.2/50) Uimp | V | 6000, 10000 | |
| Dielectric test voltage at ind. Freq. for 1min | kV | 2.5 | |
| Pollution degree | 3 | ||
| Thermo-magnetic release characteristic | 8-12In | B, C, D | |
| Mechanical features | |||
| Electrical life | t | 1500 | |
| Mechanical life | t | 10000 | |
| Contact position indicator | Yes | ||
| Protection degree | IP20 | ||
| Reference temperature for setting of thermal element | 30 | ||
| Ambient temperature (with daily average ≤35°C) | °C | -5 ~ +40 (Special application please refer to temperature compensation correction) | |
| Storage temperature | °C | -25 ~ +70 | |
| Installation | |||
| Terminal connection type | °C | Cable/Pin-type busbar | |
| Terminal size top / bottom for cable | mm² | 5-50 | |
| AWG | 18-1/0 | ||
| Terminal size top / bottom for busbar | mm² | 5-50 | |
| AWG | 18-1/0 | ||
| Tightening torque | N*m | 3.5 | |
| In-lbs | 31 | ||
| Mounting | On DIN rail EN60715 (35mm) by means of fast clip device | ||
| Connection | From top and bottom | ||
The KRF MCB (Miniature Circuit Breaker) is a high-performance solution designed to protect your electrical systems from overloads and short circuits. With a rated current of up to 125A and a rated voltage of 230/400V, this breaker is ideal for both residential and industrial applications. Built to comply with international standards IEC60947-2 and IEC/EN 60898-1, it ensures safe, stable, and reliable performance even in demanding environments.
Reliable Protection with High Durability
This single-pole breaker features a breaking capacity of 6000A, an IP20 protection rating, and supports both cable and pin-type busbar connections. It is engineered for long life with mechanical durability of up to 10,000 cycles and electrical life of 1,500 operations. The offers thermal and magnetic release protection and includes a visible contact position indicator for enhanced safety and maintenance ease.
Perfect for DIN rail mounting (35mm) and top or bottom wiring, the KRF MCB is a cost-effective and essential component for any modern electrical distribution system.
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