ALLEN BRADLEY 440J-N21TNPM-NP Enabling Switch

( Brand: Allen Bradley ), ( Part Type: Switch ), ( Manufacturer Part Number: 440J-N21TNPM-NP )

Review ALLEN BRADLEY Enabling Switch

The Allen-Bradley 440J-N21TNPM-NP Enabling Switch is a versatile and essential component in many industrial automation applications. This enabling switch, manufactured by Rockwell Automation, is designed to provide reliable control of various equipment and machines.

The 440J-N21TNPM-NP switch is a Normally Open (NO) type, meaning that it does not conduct power when it is in its default state. It is designed to be used as an enabling switch, which means that it is used to allow power to flow to other components or circuits only when a specific condition is met. This makes it an excellent choice for applications where selective control of equipment is necessary.

The switch features a compact design, making it easy to install in a variety of applications. It is rated for a maximum voltage of 240 volts AC and a maximum current of 10 amps. The switch is also capable of handling inrush currents up to 15 times its rated current for a short duration. This makes it suitable for use with a wide range of motors and other loads.

The 440J-N21TNPM-NP enabling switch is designed for use in harsh industrial environments. It is constructed from high-quality materials that are resistant to vibration, shock, and other common sources of damage. The switch is also sealed against the intrusion of dust and water, making it an ideal choice for use in wet or dirty environments.

The switch is easy to operate and can be used with a variety of actuators, including pushbuttons, limit switches, and sensors. It is also compatible with a range of control systems, including Logix 5000, CompactLogix, and ControlLogix. This makes it a flexible and adaptable solution for a wide range of applications.

The Allen-Bradley 440J-N21TNPM-NP Enabling Switch is an essential tool for any industrial automation system. Its compact size, reliability, and versatility make it an indispensable component for selective control of equipment and machinery. Whether you are building a new system or upgrading an existing one, this enabling switch is sure to be a valuable addition to your automation toolkit.

The Allen-Bradley 440J-N21TNPM-NP Enabling Switch is a versatile input device designed for use in various automation applications. This device offers several advantages and disadvantages that can help potential buyers make an informed decision.

1. Versatility: This enabling switch supports NAMUR NE 43 and NEMA C37.5-1968 types of connectors, making it a suitable choice for various industries and applications.

2. Compact Design: The compact size of the enabling switch allows for easy installation in tight spaces and reduces wiring requirements.

3. Easy Integration: The Allen-Bradley 440J-N21TNPM-NP Enabling Switch can be easily integrated with Rockwell Automation's ControlLogix and CompactLogix control systems, enabling seamless communication and control.

4. Durability: The device is built to withstand harsh industrial environments, making it a reliable choice for long-term use.

5. Cost-Effective: This enabling switch is a cost-effective solution for applications that require input monitoring and control.

1. Limited Functionality: This enabling switch is designed for simple input monitoring and control applications. It may not be suitable for more complex automation tasks that require advanced functionality.

2. Manual Reset: The enabling switch requires manual resetting after a fault condition occurs. This can be a disadvantage for applications that require automatic fault recovery.

3. Limited Connectivity: This enabling switch does not offer built-in Ethernet connectivity. Users may need to invest in additional networking devices to connect the switch to a network.

The Allen-Bradley 440J-N21TNPM-NP Enabling Switch is an excellent choice for simple input monitoring and control applications in harsh industrial environments. Its compact size, easy integration, durability, and cost-effectiveness make it a popular choice among automation professionals. However, its limited functionality, manual reset, and lack of built-in Ethernet connectivity may be disadvantages for more complex applications.

If you are looking for a reliable and cost-effective solution for simple input monitoring and control applications, the Allen-Bradley 440J-N21TNPM-NP Enabling Switch is an excellent choice. However, if you require advanced functionality, automatic fault recovery, or Ethernet connectivity, you may want to consider other options from Rockwell Automation or other automation vendors.

Details:

MPN: 440J-N21TNPM-NP. Consignor: 10-28-2025. Condition: Used. Brand: ALLEN BRADLEY.

SAFETY CONTACTS, 3 POSITION SWITCH 1 N.O. SAFETY, 1 N.O AUX, 2 N.C.

part #: 440jn21tnpm prices

• $98.00-$571.66

specifications acdrivestream:

• brand: Allen Bradley
• part type: Switch
• manufacturer part number: 440J-N21TNPM-NP

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• started: November 7, 2025

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