Allen-Bradley 140G MCCB H Frame 100kA 3P 20A Fixed Thermal Magnetic
Brand: Allen-Bradley
Product Type: Moulded Case Circuit Breaker
Product Overview
The Allen-Bradley 140G MCCB H Frame circuit breakers offer a reliable solution for individual motor loads, providing both short-circuit and overload protection. They are designed for high interrupt ratings suitable for 2 and 3 pole devices, making them ideal for motor starting and motor protection applications. Connecting modules are available and have been combination short-circuit tested with Allen Bradley 100-E contactors.
[Image of Allen-Bradley 140G MCCB H Frame circuit breaker]
Electrical Specifications
| Rated current In | 20 A |
| Number of poles | 3 |
| Max. rated operation voltage Ue AC | 690 V |
| Rated ultimate short-circuit breaking capacity Icu at 415 V, 50 Hz | 120 kA |
| Rated service short-circuit breaking capacity Ics at 400 V, 50 Hz | 120 kA |
| Type of protection trip unit | Thermal/magnetic release |
| Trip curve | Fixed thermal, fixed magnetic |
| Frame size rating | 160 A |
| Rated frequency | 50-60 Hz |
| Rated insulation voltage Ui | 1000 V |
| Suitable for isolation | Yes ✔️ |
| Rated short circuit breaking capacity, Icu 690V AC | 18 kA |
| Rated short circuit breaking capacity, Ics 690V AC | 13.5 kA |
| Rated impulse withstand voltage Uimp | 8 kV |
| Reverse connection of supply possible | Yes ✔️ |
| Electrical life at Un, In (service cycles) | 8000 cycles |
| Power loss | 4.8 W |
Mechanical Specifications
| DIN rail (top hat rail) mounting optional | Yes ✔️ |
| Mechanical life (service cycles) | 25000 cycles |
Dimensions
| Height | 130 mm |
| Width | 90 mm |
| Pole connection pitch | 30 mm |
| Built-in depth | 82.5 mm |
| Depth (toggle included) | 116 mm |
| Weight | 1.2 kg |
Environmental Specifications
| Rated surrounding temperature without derating | 40 °C |
| Maximum operating temperature | 75 °C |
| Storage temperature | -40...80 °C |
| Max. altitude before derating | 2000 m |
