ETM7 MCB
ETM7 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 plug-in 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
Ideal for panel builders and distribution system integrators seeking quality and flexibility.
Product Introduction
The ETM7 series miniature circuit breakers (MCBs) are designed for low-voltage terminal distribution and are widely used in various sectors, including residential housing, commercial buildings, industrial systems, lighting control, motor protection, and infrastructure projects. Their main functions include protection against overload and short circuit, along with circuit isolation and control.
Certified by KEMA/Dekra, CE, and CB, the ETM7 series meets the requirements of the IEC/EN 60898-1 standard, making it a reliable solution for global applications.
| 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 | ||
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
