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WEG MPW40-3-U020
SKU: MPW40-3-U020-FS
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Description
The WEG MPW40-3-U020 (WEG material number 12428129) is an MPW-series motor protective circuit breaker. WEG lists it as “MOTOR PROTECTOR BU MPW40-3-U020”. Key specifications: reference MPW40, maximum rated current Ie 40 A.
MPW Motor-protective Circuit-breakers offer a compact means of protecting electric circuits and of operating and protecting motors up to 45kW (380V) or 55kW (440V), with a high breaking capacity that permits installation where short-circuit currents are high. Thermal and magnetic releases give complete circuit and motor protection: the thermal release is adjustable for overload protection and carries a differential mechanism with phase-loss sensitivity, while the magnetic release is set at 13xIn for short-circuit protection. Two models are available, ON-OFF by pushbuttons (MPW18) or by handle (MPW40/80/100), both with trip indication so the operator can see breaker status, and the handle can be padlocked in the "OFF" position for safe maintenance.
WEG MPW40-3-U020 Technical Specifications
| Manufacturer | WEG |
|---|---|
| Part number | MPW40-3-U020 |
| WEG material number | 12428129 |
| WEG designation | MOTOR PROTECTOR BU MPW40-3-U020 |
| Product type | Motor Protective Circuit Breaker |
| Series | MPW |
| Reference | MPW40 |
| Maximum rated current Ie | 40 A |
| Setting range for thermal release | 16-20 A |
| Number of poles | 3 |
| Short-circuit release | 13 x Iemax |
| Rated operational voltage Ue | 690 V |
| Rated operational frequency | 50/60 Hz |
| Rated insulation voltage Ui | 690 V |
| Rated impulse withstand voltage Uimp | 6 kV |
| Utilization category - IEC60947-2(motor starter protector/circuit breaker) | A |
| Utilization category - IEC60947-4-1 (Motor Starters) | AC-3 |
| Trip test | Yes |
| Overload protection | Yes |
| Phase failure sensitivity | Yes |
| Trip indication | Yes |
| Tripping class | 10 |
| Maximum operating frequency (ops./h) | 15 |
| Degree of protection | IP20 |
| Height | 97 mm / 3.82 in |
| Width | 45 mm / 1.77 in |
| Depth | 98 mm / 3.86 in |
| Gross weight | 0,36 kg / 0.79 lb |
| WEG catalog category | Controls > Motor starters and protection > Motor protective circuit breakers > MPW - Motor protective circuit breaker |
Industrial Automation Co. offers the WEG MPW40-3-U020 in new condition. Request a quote for current pricing, availability, and lead time.
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Buying Options
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Description
The WEG MPW40-3-U020 (WEG material number 12428129) is an MPW-series motor protective circuit breaker. WEG lists it as “MOTOR PROTECTOR BU MPW40-3-U020”. Key specifications: reference MPW40, maximum rated current Ie 40 A.
MPW Motor-protective Circuit-breakers offer a compact means of protecting electric circuits and of operating and protecting motors up to 45kW (380V) or 55kW (440V), with a high breaking capacity that permits installation where short-circuit currents are high. Thermal and magnetic releases give complete circuit and motor protection: the thermal release is adjustable for overload protection and carries a differential mechanism with phase-loss sensitivity, while the magnetic release is set at 13xIn for short-circuit protection. Two models are available, ON-OFF by pushbuttons (MPW18) or by handle (MPW40/80/100), both with trip indication so the operator can see breaker status, and the handle can be padlocked in the "OFF" position for safe maintenance.
WEG MPW40-3-U020 Technical Specifications
Manufacturer WEG Part number MPW40-3-U020 WEG material number 12428129 WEG designation MOTOR PROTECTOR BU MPW40-3-U020 Product type Motor Protective Circuit Breaker Series MPW Reference MPW40 Maximum rated current Ie 40 A Setting range for thermal release 16-20 A Number of poles 3 Short-circuit release 13 x Iemax Rated operational voltage Ue 690 V Rated operational frequency 50/60 Hz Rated insulation voltage Ui 690 V Rated impulse withstand voltage Uimp 6 kV Utilization category - IEC60947-2(motor starter protector/circuit breaker) A Utilization category - IEC60947-4-1 (Motor Starters) AC-3 Trip test Yes Overload protection Yes Phase failure sensitivity Yes Trip indication Yes Tripping class 10 Maximum operating frequency (ops./h) 15 Degree of protection IP20 Height 97 mm / 3.82 in Width 45 mm / 1.77 in Depth 98 mm / 3.86 in Gross weight 0,36 kg / 0.79 lb WEG catalog category Controls > Motor starters and protection > Motor protective circuit breakers > MPW - Motor protective circuit breaker Industrial Automation Co. offers the WEG MPW40-3-U020 in new condition. Request a quote for current pricing, availability, and lead time.
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