Products specifications
| Attribute name | Attribute value |
|---|
| Input Rating (A) | 0.1~0.16, 0.16~0.25, 0.25~0.4, 0.4~0.63, 0.63~1, 1~1.6, 1.6~2.5, 2.5~4, 4~6.5, 6.3~10, 9~14, 13~18, 17~23, 20~25 |
| Functionality | Phase Failure, Magnetic trip, Thermal trip |
| Poles | 3 |
| Phase | 3P3W |
| Input | 690 Vac |
| Series | SM1 |
Description
Lovato's SM1RT are circuit breakers with thermal and magnetic trip releases intended specifically for transformers control and protection
- General characteristics
- The magnetic trip threshold of 20 x In enable the connection of transformers avoiding unintentional tripping due to the high in-rush currents
- The various adjustment ranges from 0.1A to 25A enable control and protection of transformers up to 17kVA (400V)
- Operational characteristics
- IEC rated insulation voltage Ui: 690V
- IEC rated impulse withstand voltage: 6kV
- IEC rated frequency: 50/60Hz
- Maximum rated current: 25A
- Max. heat dissipation per phase: 0.7...3.4 W
- Magnetic tripping: 20 x In max
- (16 x In max for SM1RT0016, SM1RT2300, SM1RT2500)
- Mechanical and electrical life: 100.000 cycles
- Mounting on 35mm DIN rail (IEC/EN/BS 60715)
- Mounting position: Any
- IEC utilisation category: A
- Padlocking in OFF: Ø4mm/0.16”
- IEC degree of protection: IP20.
| Sku | Thermal trip adjustment range |
| SM1RT0016 | 0.1~0.16 |
| SM1RT0025 | 0.16~0.25 |
| SM1RT0040 | 0.25~0.4 |
| SM1RT0063 | 0.4~0.63 |
| SM1RT0100 | 0.63~1 |
| SM1RT0160 | 1~1.6 |
| SM1RT0250 | 1.6~2.5 |
| SM1RT0400 | 2.5~4 |
| SM1RT0650 | 4~6.5 |
| SM1RT1000 | 6.3~10 |
| SM1RT1400 | 9~14 |
| SM1RT1800 | 13~18 |
| SM1RT2300 | 17~23 |
| SM1RT2500 | 20~25 |
