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Rotary Motor Breaker DMR3
Description
Description
Rotary motor protection circuit breakers for the protection and control of electric motors, with precise current adjustment. Ideal for industrial applications requiring safety and reliable control.
- Rotary operation for on/off switching
- Overload and short-circuit protection
- Wide current range (0.1A to 32A)
- Easy installation in electrical panels
Select the options below
CÓD: DMR3-0,16A
Code list
Code list
| Code | Description |
|---|---|
| DMR3-0,16A | 0.1~0.16A |
| DMR3-0,63A | 0.4~0.63A |
| DMR3-0,25A | 0.16~0.25A |
| DMR3-0,4A | 0.25~0.4A |
| DMR3-1A | 0.63~1A |
| DMR3-1,6A | 1~1.6A |
| DMR3-4A | 2.5~4A |
| DMR3-6,3A | 4-6.3A |
| DMR3-10A | 6~10A |
| DMR3-14A | 9~14A |
| DMR3-18A | 13-18A |
| DMR3-2,5A | 6~2.5A |
| DMR3-23A | 17~23A |
| DMR3-25A | 20-25A |
| DMR3-32A | 24~32A |
General specifications
General specifications
| Insulation voltage [Uᵢ] | 690V |
| Working voltage [Uₑ] | 690V |
| Rated impulse withstand voltage [Uᵢₘₚ] | 8kV |
| Operating frequency | 50 / 60 Hz |
| Conventional thermal current [Iₜₕ] | 32A (DM3) 80A (DM4) |
| Trip classes | 10A |
| Overload trip setting (thermal) | 0.6 (0.75) ~ 1 x Iₙ |
| Short-circuit trip (magnetic) | 12 ~ 14 x Iₙ |
| Temperature compensation | -5 ~ 40°C |
| Electrical life | 100 x 10³ operations (15 operations per hour) |
| Power dissipated at rated load | 8W considerando / DM3-32 / DM3R-32 25W considerando / DM4-80 |
| Pollution degree | 3 (ambiente industrial) |
| Ambient temperature | -5 ~ 40°C (Average must not exceed 35°C em 24h) |
| Altitude | ≤2000m |
| Humidity (non-condensing) | ≤90% ~ 25°C ≤50% ~ 40°C |
| Tilt from vertical mounting plane | ≤5° |
| Degree of protection | IP20 |
| Weight | 255g (DM3), 280g (DM3R), 660g (DM4) |
| * Time of trip (tₐ) em 7.2 times the set current starting from cold state | ** Range of adjustment of the current rated Iₙ |