1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln, type D(10-20)ln
| Type | Standard | IEC/EN 60898-1 | |
| Electrical features |
Rated current In | A | 1,2,4,6,10,16,20,25,32,40,50,63,80 |
| 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 | 600,010,000 | |
| Rated impulse withstand voltage(1.2/50)Uimp | V | 6000 | |
| Dielectric test voltage at ind.Freq.for 1min | kV | 2 | |
| Pollution degree | 2 | ||
| Thermo-mag netic release characteristic | B,C,D | ||
| Mechanical features |
Electrical life | t | 8000 |
| Mechanical life | t | 20000 | |
| Protection degree | IP20 | ||
| Reference temperature for setting of thermal element |
℃ | 30 | |
| Ambient temperature (with daily average≤35℃) |
℃ | -5~+40 | |
| Storage temperature | ℃ | -25~+70 | |
| Installation | Terminal connection type | Cable/Pin-type busbar/U-type bar | |
| Terminal size top/bottom for cable | mm2 | 25 | |
| AWG | 18-3 | ||
| Terminal size top/bottom for busbar | mm2 | 25 | |
| AWG | 18-3 | ||
| Tightening torque | N*m | 2 | |
| In-Ibs | 18 | ||
| Mounting | On DIN rail EN 60715(35mm)by means of fast clip device | ||
| Connection | From top and bottom |