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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