Hager MBN306E – B 6A 3P 6kA miniature circuit breaker
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Description
Hager MBN306E – B 6A 3P 6kA miniature circuit breaker
Hager MBN306E is a three-pole miniature circuit breaker with a B tripping characteristic and a rated current of 6 A, designed to protect circuits against the effects of overloads and short circuits up to 6 kA. The type B characteristic with delayed tripping makes the device ideal for circuits supplying loads with low inrush currents — lighting, sockets, sensors or control installations.
The circuit breaker is mounted on a DIN rail and takes up 3 modules (52.5 mm). The screw terminals accept rigid cables with a cross-section from 1 to 25 mm² and flexible cables from 1 to 16 mm², ensuring convenient connection in both residential and industrial switchboards.
Circuit breaker design
- Operating lever for manual switching on and off
- Locking latch for the switching mechanism
- Fixed and moving contacts ensuring reliable switching
- Screw-type connection terminals
- Thermal-bimetallic trip — overload protection
- Electromagnetic trip — short-circuit protection
- Arc quenching chamber for effective arc suppression
Technical specification
| Parameter | Value |
|---|---|
| Manufacturer | Hager |
| Model | MBN306E |
| Tripping characteristic | B |
| Rated current | 6 A |
| Number of poles | 3P |
| Rated short-circuit breaking capacity Icn | 6 kA |
| Rated service short-circuit breaking capacity Ics | 6 kA |
| Rated operating voltage Ue | 230 / 400 V |
| Supply voltage type | AC |
| Rated frequency | 50 / 60 Hz |
| Rated insulation voltage Ui | 500 V |
| Rated impulse withstand voltage Uimp | 4000 V |
| Maximum power loss per pole | 3 W |
| Total power loss at rated current | 3.8 W |
| Power loss per pole at rated current | 1.3 W |
| Electrical endurance | 4000 cycles |
| Mechanical endurance | 20,000 cycles |
| Connection type | screw-type |
| Tightening torque | 2.8 Nm |
| Rigid conductor cross-section (solid) | 1 – 25 mm² |
| Flexible conductor cross-section (stranded) | 1 – 16 mm² |
| Protection rating | IP20 |
| Dimensions (W × H × D) | 70 × 83 × 17.5 mm |
| Weight | 0.299 kg |
| Standard | EN 60898-1 |
| EAN | 3250614313035 |
Technical data
| Trip characteristic | B |
| Circuit breaker type | overcurrent |
| Rated current [A] | 6A |
| Number of poles | 3P |
| Breaking capacity [kA] | 6 kA |
| Brand | HAGER |