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Allen-Bradley 156-C3P25NCB


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All Parts Come with 12 Month Warranty

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

Shipping Information

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Product Specifications

brand name Allen-Bradley

The Allen-Bradley 156-C3P25NCB is a three-phase solid-state contactor designed for use in industrial automation applications. It features a three-pole body and is rated for 25 amps at 40°C, with a maximum voltage of 600 volts AC. The contactor can be controlled using either AC or DC voltage, with the AC control range spanning from 20 to 275 volts and the DC control range from 24 to 190 volts.

Technical Specifications

  • Number of Poles: 3 poles in a 3-pole body
  • Contactor Rating: 25 amps AC
  • Control Voltage: 20-275 volts AC, 24...190V DC
  • Maximum Voltage: 600 volts AC
  • Operating Temperature: -30…70 °C (-22…158 °F) for overtemperature protection, and -40…80 °C (-40…176 °F) for derating above
  • Storage Temperature: -40…100 °C (-40…212 °F)
  • Vibration Resistance: 2G per axis (2…100 Hz) per IEC60068-2-6, EN50155, EN61373
  • Impact Resistance: 15/11 g/ms per EN50155
  • Pollution Degree: 2 (non-conductive pollution with possibilities of condensation)
  • Overvoltage Category: III (fixed installations)
  • Isolation: 4000V rms between input and output, and 4000V rms between input and case
  • RoHS Compliance: Yes, according to the 2002/95/EC directive.

Alarm/Error Codes

The contactor does not have specific alarm or error codes listed in the provided documentation. It is designed to provide a simple on/off control function without complex error handling or alarm systems.

User Manuals

The user manual for the Allen-Bradley 156-C3P25NCB is not explicitly provided in our research. However, Rockwell Automation typically provides detailed user manuals for their products, which can be accessed through their official website or through authorized distributors.


Troubleshooting procedures for the Allen-Bradley 156-C3P25NCB are not explicitly detailed in our research. However, Rockwell Automation typically provides troubleshooting guides for their products, which can be accessed through their official website or through authorized distributors. These guides usually include diagnostic steps and possible solutions for common issues.


The Allen-Bradley 156-C3P25NCB is a simple solid-state contactor that does not require programming. It is designed to be controlled directly by the input voltage, and its operation is straightforward and uncomplicated.


The installation of the Allen-Bradley 156-C3P25NCB is straightforward and typically involves connecting the contactor to a power source and a control signal. The contactor is designed to be used in a variety of industrial automation applications, including fixed installations. It is important to follow the manufacturer's instructions for installation and ensure compliance with local electrical codes and regulations.

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