ETM18 MCB
ETM18 Series Miniature Circuit Breaker is designed for low-voltage AC applications, offering reliable protection in residential, commercial, and industrial settings. Available in 1P, 2P, and 3P configurations with B, C, and D tripping curves, it supports a wide range of load conditions.
This Din Rail type MCB is OEM-ready and meets IEC/EN 60898-1 standards. Certified by KEMA/Dekra and CE, it ensures safety and compliance in global markets.
Breaking Capacity: 6kA or 10kA
Current Range: 6A to 63A
Voltage: AC 230/400V or 240/415V; DC versions available upon request
Product Introduction
| Basic features | |||
| Standards | EN/IEC 60898-1 | ||
| Certificate | Dekra/KEMA,CE,CB | ||
| Electrical features | |||
| Rated current in | A | 6, 10, 16, 20, 25, 32, 40, 50, 63 | |
| Rated voltage Ue | V | 230/400, 240/415 | |
| Rated frequency | Hz | 50/60 | |
| Number of poles | P | 1, 2, 3 | |
| Ultimate short-circuit breaking capacity Icu | kA | 6/10 | |
| Service short-circuit breaking capacity Ics | kA | 6kA(Icu 6kA),7.5kA(Icu 10kA) | |
| 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 | ||
| Magnetic release characteristic | B type(3-5In) | ■ | |
| C type(5-10In) | ■ | ||
| D type(10-20In) | ■ | ||
| Thermal release characteristic | 1.13In Non trip cold state | ≤ 63A t ≥ 1h | |
| 1.45In trip after 1.13 test | ≤ 63A t<1h | ||
| Mechanical features | |||
| Mechanical life | T | 10000 | |
| Electrical life | T | 4000 | |
| Reference temperature for setting of thermal element | ℃ | 30,40,50 | |
| Ambient temperature | ℃ | -35~+70℃ | |
| Installation | |||
| Degree of Protection | IP20 | ||
| Nominal cross-sectional area of the copper conductor | mm2 | 25 | |
| Tightening torque | N·m | 2.0 | |
| Line entry | Line-plug in,Load-cable | ||
| Mounting | Mount on plug in type Pan assembly/Busbar | ||
Certified by KEMA/Dekra, CE, and CB, the ETM18 series meets the requirements of the IEC/EN 60898-1 standard, making it a reliable solution for global applications.
Breaking Capacity: 6kA or 10kA
Tripping Characteristics: B, C, and D curves, suitable for different load types
Rated Current Options:
1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
- 10–16A (1P): Commonly used for lighting circuits
- 20–32A: Ideal for kitchens, bathrooms, air conditioners, and similar equipment
- 40–63A (2P): Often chosen as main switches in place of isolators
Rated Insulation Voltage:
- 230V / 240V for single-pole
- 400V / 415V for two- and three-pole models
Pole Variants: Available in 1P, 2P, 3P, and 4P
Standard width: 1 inch per pole
Status Indicator: Clear visual window — Red = ON, Green = OFF
Safety Design: IP20 terminal protection to prevent accidental contact during installation
Durability:
- Electrical life: Up to 8,000 operations
- Mechanical life: Up to 20,000 operations (Exceeding IEC minimums of 4,000 and 10,000)
Operating Temperature Range: -5°C to 50°C
Mounting Style: Plug-in top terminals, with bottom wiring, allowing fast and secure installation