Allen Bradley 140M-D8T-C20
The 140M-D8T-C20 is a motor protection circuit-breaker from Allen Bradley's 140M series. This device features a significant short-circuit capacity of 65 kA at 400 V AC and provides reliable operation for 3-phase applications up to a power rating of 10 kW.
This Allen Bradley 140M-D8T-C20 is supplied brand new by PartLogic for control panels, machine wiring, power distribution, industrial maintenance and replacement applications. It forms part of our Industrial automation > Electrical components > Motor protectors range and is referenced internally as PartLogic SKU PL27214045886.
Before ordering, please confirm the manufacturer part number, product specifications and compatibility with your existing equipment. If you are replacing a failed, obsolete or hard-to-find part, contact PartLogic and we can help check suitability or source related components.
| Brand | Allen‑Bradley |
| Manufacturer | Allen‑Bradley |
| Model / Part Number | 140M-D8T-C20 |
| Product Type | Motor protection circuit breaker |
| Poles | 3 |
| Thermal setting range | 14.5–20 A |
| Magnetic trip current | 325 A |
| Breaking capacity (Icu) | 65 kA at 400/415 V per IEC |
| Rated operational current (Ie) | 20 A per IEC |
| Rated power AC-3 | 5.5 kW at 230 V; 10 kW at 400/415 V; 17 kW at 690 V |
| Rated frequency | 50/60 Hz |
| Insulation voltage (Ui) | 690 V per IEC |
| Impulse withstand (Uimp) | 6 kV |
| Degree of protection | IP2X |
| Width | 45 mm |
| Height | 90 mm |
| Depth | 80 mm |
| Mounting | 35 mm DIN rail |
| Switching frequency, max | 25 operations/hour |
| Mechanical life | 100,000 operations |
| Overload trip class | Class 10 |
| Protection type | Adjustable thermal / fixed magnetic |
| Frame size | D, 32 A |
| Ambient operating temperature | −25 to +60 °C |
| Storage temperature | −40 to +80 °C |
| Pollution degree | 3 |
| Phase loss protection | Differential release |
| Standards / categories | IEC 60947-4-1 AC-3 motor protection |
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