ALLEN BRADLEY 440G-T21BNPM-1B Interlock Switch TLS1-GD2

( Brand: Allen Bradley ), ( Part Type: Switch ), ( Manufacturer Part Number: 440G-T21BNPM-1B )

Review ALLEN BRADLEY Interlock Switch Ups Shipping

The Allen-Bradley Model 440G-T21BNPM-1B Interlock Switch is a versatile and reliable device designed for use in machinery and equipment control applications. This interlock switch is part of Rockwell Automation's 440G series, which is known for its rugged construction and high performance.

The 440G-T21BNPM-1B is a normally open, single-pole, double-throw (NO-SPDT) interlock switch. It is designed to monitor the position of two separate circuits or devices and make a connection between them only when the specified conditions are met. This makes it an essential component in safety applications, where the proper sequencing of machine functions is critical.

The switch is rated for a maximum voltage of 24V DC and a maximum current of 1A. It features a compact, DIN-rail mounting design, making it easy to install and integrate into control panels and other electrical systems. The switch also comes with a clear, tamper-resistant cover to protect against accidental operation or damage.

The 440G-T21BNPM-1B Interlock Switch is designed to meet the requirements of various industry standards, including UL 508A, CSA C22.2 No. 61010-1, and EN 60947-5-2. It is also suitable for use in hazardous locations, with approvals for Class I, Division 2, Group D and Class II, Division 1, Group E, F, G installations.

This interlock switch is built to withstand harsh industrial environments, with a temperature rating of -40 C to 85 C and a NEMA 12/IP20/IP66 rating for protection against dust, water, and oil. It also features a gold-plated contact design for improved conductivity and long-term reliability.

Overall, the Allen-Bradley Model 440G-T21BNPM-1B Interlock Switch is an essential component for any industrial automation system where safety and proper sequencing of machine functions are critical. Its rugged construction, versatile design, and compliance with various industry standards make it a reliable and trusted choice for machinery and equipment control applications.

The Allen Bradley 440GT-T21BNPM-1B TLS1-GD2 Interlock Switch is a versatile and reliable device used for machine safety applications. This switch offers several advantages and potential disadvantages for users. Let's examine each of them:

1. Versatility: This interlock switch supports various types of applications, including normally open (NO), normally closed (NC), and changeover (CO) interlocking functions.

2. Rugged Design: The switch is designed to withstand harsh industrial environments, with an IP67 rating for protection against dust and water.

3. Easy Installation: The TLS1-GD2 interlock switch comes with a modular design and pre-wired terminals, making it easy to install and connect to other safety components.

4. Diagnostics: The switch has built-in diagnostics, allowing users to quickly identify and resolve potential issues.

5. Compatibility: This Allen Bradley interlock switch is compatible with Rockwell Automation control systems, making it a popular choice for integrating safety functions with process control.

1. Cost: Compared to some other interlock switches on the market, the Allen Bradley 440GT-T21BNPM-1B TLS1-GD2 can be relatively expensive.

2. Complexity: While the modular design makes installation easier, the switch's advanced features and capabilities might require a more experienced technician to configure and optimize.

3. Maintenance: The switch's rugged design is robust, but it may still require occasional maintenance, such as cleaning contacts or replacing worn-out components.

In conclusion, the Allen Bradley 440GT-T21BNPM-1B TLS1-GD2 Interlock Switch is a high-performance and versatile safety device suitable for various industrial applications. Its rugged design, ease of installation, and compatibility with Rockwell Automation systems make it a valuable investment for users. However, the cost and potential complexity of the switch might be deterrents for some users. Ultimately, the decision to purchase this interlock switch depends on the specific requirements of your application and your budget.

If your industrial application demands a reliable, versatile, and rugged interlock switch, the Allen Bradley 440GT-T21BNPM-1B TLS1-GD2 is an excellent choice. While the cost might be higher than some alternatives, its advanced features and compatibility with Rockwell Automation systems offer significant benefits in terms of performance, safety, and ease of integration. If budget is a primary concern, you may want to consider alternative interlock switch options with fewer features or a simpler design.

Details:

part #: 440gt21bnpm1b prices

• $199.00-$2046.82

specifications plcmechanize:

• brand: Allen Bradley
• part type: Switch
• manufacturer part number: 440G-T21BNPM-1B

seller plcmechanize:

• rating: 98.9%
• # reviews: 89
• city: Miami, Florida

shipping plcmechanize:

• cost: $0.00
• transit: 4-10 Days
• type: Fixed
• service: Standard
• class: Standard

general plcmechanize:

• condition: New
• Industrial Automation Motion Controls > PLCs HMIs > PLC Processors

offer plcmechanize:

• quantity: 10
• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: October 20, 2025

returns plcmechanize:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller
• method: Money back

payments plcmechanize:

• credit card: Diners-club
• other
• wallet: Apple-pay

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