ETM3-100 MCB
The ETM3-100 miniature circuit breaker series is available in 1-pole, 2-pole, 3-pole, and 4-pole options, and supports B, C, and D tripping characteristics to suit various protection needs. Designed for both AC and DC applications, these compact breakers are ideal for residential, commercial, and industrial use.
They can be mounted on standard DIN rails and are suitable for OEM manufacturing and private labelling. The ETM3-100 MCBs are certified by internationally recognised bodies such as KEMA/Dekra and CE, and fully comply with IEC/EN 60898-1 standards.
With a rated breaking capacity of 6kA or 10kA, these breakers support current ratings from 80A up to 100A.
Product Introduction
| Basic features | ||
| Standards | EN/IEC 60898-1 | |
| Electrical features | ||
| Rated current in | A | 80, 100 |
| Rated voltage Ue | V | 230, 240, 230/400, 240/415, 400, 415 |
| Rated frequency | Hz | 50/60 |
| Number of poles | P | 1, 2, 3, 4 |
| Ultimate short-circuit breaking capacity Icu | kA | 6kA |
| Service short-circuit breaking capacity Ics | kA | 6kA |
| Rated insulation voltage Ui | V | 500 |
| Rated impulse withstand voltage Uimp | kV | 4 |
| Dielectric test voltage at ind. Freq. for 1 min | kV | 2 |
| PoIIution degree | 2 | |
| Trip form | Thermal magnetic trip | |
| Mechanical features | ||
| Mechanical life | T | 20000 |
| Electrical life | T | 10000（In>100A） |
| Reference temperature for setting of thermal element | ℃ | 40,50 |
| Ambient temperature | ℃ | -35~+70℃ |
| Installation | ||
| Protection degree | IP20 | |
| Nominal cross-sectional area of the copper conductor | mm2 | 50 |
| Tightening torque | N·m | 2.5 |
| Line entry | From top and bottom | |
| Mounting | On Din rail EN50022(35mm) | |
The ETM3-100 series miniature circuit breakers (MCBs) are designed for low-voltage distribution systems, making them ideal for use in residential, commercial, and industrial settings. Whether it’s a home, office building, energy facility, communication hub, or infrastructure project, these MCBs handle tasks like short-circuit protection, overload prevention, circuit control, and isolation. Thanks to their standard DIN rail mounting, they’re widely adopted across global markets.
Depending on the model, they offer a breaking capacity of either 6kA or 10kA, and are available with B, C, or D trip curves to suit various circuit protection needs.
Installation is quick and secure with standard 35mm DIN rail mounting, as per EN50022.
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