
Product Description
Product Overview
The Allen-Bradley 140M-K8P-D40 is a Motor Circuit Protector (MCP) designed for industrial automation applications within Rockwell Automation systems. Manufactured by Allen-Bradley (a Rockwell Automation brand), this module provides magnetic short-circuit protection and manual switching capabilities for motor branch circuits. It is built for reliability and efficiency in environments such as manufacturing, process control, and industrial machinery. The part number _140M-K8P-D40_ specifies its configuration within the 140M series, featuring a K-frame size and a rated current of 400 A. Note that this device offers short-circuit protection only; overload protection must be provided separately.
Technical Specifications
The 140M-K8P-D40 has the following specifications based on supplier data from Radwell and DO Supply:
| Item | Specification |
|---|---|
| Model/Part Number | 140M-K8P-D40 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Description | Motor Circuit Protector |
| Series | 140M |
| Frame Size | K (600 A maximum rating) |
| Rated Current | 400 A |
| Magnetic Trip Range | 2000 - 4000 A (adjustable) |
| Voltage Rating | 480 V AC |
| Interrupt Rating | 35 - 65 kA at 480 V AC |
| Number of Poles | 3 |
| Operating Temperature | -25°C to 60°C (-13°F to 140°F) |
| Weight | 5.2 kg (11.5 lbs) |
Additional Details
The 140M-K8P-D40 includes the following additional information based on supplier documentation:
| Category | Details |
|---|---|
| Function | Provides short-circuit protection and manual switching for motor circuits |
| Mounting | Bolt-on installation |
| Connectivity | Bolt-on terminals |
| Features | Adjustable magnetic trip, visible trip indication, high interrupting capacity |
| Certifications | UL 489, CE, CCC, CSA, IEC/EN 60947 |
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