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Allen Bradley 140M Circuit Breakers 140M-C-W543N

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140M-C-W543N

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The 140M-C-W543N compact bus bar from Allen Bradley is designed for 3-phase applications, offering a reliable connection with a voltage rating of 600 V AC. Its construction features copper conductors, ensuring efficient conductivity and durability.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 140M-C-W543N

ManufacturerAllen Bradley
Product TypeCompact Bus Bar
Product Line140M Circuit Breakers
Part Number140M-C-W543N
Weight0.13 lbs (0.06 kg)
GTIN10662074309945
Phase3-Phase
Connection Spacing54 mm
Number of Connections3
Voltage Rating600 V AC
Rated Impulse Withstand8 kV
Short-Circuit Current30 kA
Mounting MethodDirect Mount
Terminal TypeScrew Terminals
MaterialCopper Conductors
Protective CoverIntegrated Insulated Housing
IP RatingIP20
Operating Temperature–20 °C to +60 °C
Current Rating64 A
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The Allen Bradley 140M-C-W543N is a compact bus bar optimized for 3-phase electrical systems. This bus bar allows for direct mounting, simplifying installation and providing a reliable solution for connecting multiple circuits. It supports a voltage rating of 600 V AC, making it suitable for higher voltage applications. The bus bar offers three connections with a spacing of 54 mm, accommodating specific electrical configurations.

A key feature of the 140M-C-W543N is its capability to withstand an 8 kV impulse, supporting robust electrical performance and protecting against transient disturbances. It also tolerates short-circuit currents up to 30 kA, ensuring safe operation under fault conditions.

Constructed from copper conductors, this bus bar guarantees excellent conductivity and thermal performance. It includes an integrated insulated housing that serves as a protective cover, ensuring safety during operation by preventing accidental contact with live parts. The bus bar is rated IP20, indicating its suitability for environments where exposure to dust and moisture is limited.

With a current rating of 64 A, the bus bar can efficiently manage significant electrical loads. It operates in a temperature range from -20 °C to +60 °C, making it versatile for various ambient conditions. For secure and reliable connections, it features screw terminals, effective for ensuring robust assembly within electrical panels.