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Rotary Motor Breaker DMR3
CÓD: DMR3-0,16A
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
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 |