ALLEN-BRADLEY 440G-T27172 Guardmaster Guardlock Switch TLS-GD2

( Brand: Allen-bradley ), ( Type: Plc Processor Module ), ( Notice: Products And Box Label Are Not Provide Full Barcodes And Qr Code ), ( Manufacturer Part Number: 440G-T27172 ), ( Controller Platform: Controllogix ), ( Country Of Origin: United States )

Review ALLEN BRADLEY New Sealed Guardmaster Guardlock Switch

The Allen-Bradley 440GT-T27172 Guardmaster TLS-GD2 Guardlock Switch is a versatile and reliable safety device designed for use in various industrial automation applications. This guardlock switch is part of the Allen-Bradley Guardmaster TLS series, which is known for its robust design and ease of integration with Rockwell Automation control systems.

The 440GT-T27172 Guardlock Switch is designed to provide reliable machine safety functions, such as two-hand control, interlocking, and presence detection. It features a compact, rectangular design with dimensions of 1.6 inches (40.6 mm) in height, 3.5 inches (88.9 mm) in width, and 1.0 inch (25.4 mm) in depth. This size makes it suitable for installation in a wide range of applications where space is a concern.

The switch has a total of 12 normally open (NO) and 12 normally closed (NC) contacts, which can be configured to meet specific safety requirements. The contacts have a rating of 1 ampere (A) at 24 volts DC and 0.5 ampere (A) at 115 volts AC. This means that the switch can handle a moderate current load, making it suitable for applications where various safety functions need to be controlled.

The 440GT-T27172 Guardlock Switch is designed to operate in harsh industrial environments, with a temperature range of -25 C to 70 C (-13 F to 158 F). It has an IP67 rating, which means it is protected against ingress from dust and water, making it suitable for use in wet and dusty environments.

The switch features a transparent cover that allows operators to see the status of the switch at a glance. It also has a test button, which allows operators to perform a functional test of the switch without disrupting the production process. The switch can be easily wired using color-coded terminals, which helps ensure accurate wiring and reduces installation time.

The Allen-Bradley 440GT-T27172 Guardlock Switch is designed to meet various safety standards, including ANSI/IESNA, CE, and CSA. It is also UL 508A listed, which means it has been tested and certified for use in industrial control panels. This switch is a reliable and cost-effective solution for applications that require machine safety functions, making it a popular choice among industrial automation professionals.

The Allen-Bradley 440G-T27172 Guardmaster TLS-GD2 Guardlock Switch is a versatile and reliable solution for machine safety applications. Here are some pros and cons that may help in your decision-making process:

1. Enhanced Safety: The Guardlock switch provides a high level of safety as it is designed to prevent unintended operation during maintenance or setup. It offers both Normally Open (NO) and Normally Closed (NC) functions, enabling safe machine operation.

2. Easy Integration: This guardlock switch is compatible with various control systems, including Rockwell Automation s RSLogix 5000 and Studio 5000. This makes it a popular choice for users who prefer a seamless integration into their existing control systems.

3. Durable Construction: The Guardlock switch is built to withstand harsh industrial environments, featuring a stainless steel housing and a weatherproof rating of IP67. This makes it suitable for use in wet and humid locations.

4. Ease of Use: The Guardlock switch is designed with a user-friendly interface, making it easy to program and operate. The large, illuminated pushbuttons and clear status indicators provide operators with real-time feedback on the switch s status.

5. Flexible Configuration: The Guardlock switch offers various mounting options, allowing users to install it in a way that best suits their application. It can be mounted on a DIN rail, panel mount, or as a flush mount.

1. Higher Cost: Compared to simpler lockout/tagout devices, the Guardlock switch may have a higher upfront cost. However, its advanced features and enhanced safety capabilities may justify the investment for certain applications.

2. Complex Installation: Installing the Guardlock switch may require more time and effort compared to simpler devices due to its advanced features and integration with control systems. Proper installation and setup are crucial to ensure the switch functions correctly and provides the desired safety benefits.

In conclusion, the Allen-Bradley 440G-T27172 Guardmaster TLS-GD2 Guardlock Switch is a high-performance and versatile solution for machine safety applications. Its advanced features, such as easy integration, enhanced safety, and flexible configuration, make it a popular choice for users who demand a reliable and robust lockout/tagout device. Although it may have a higher upfront cost and a more complex installation process compared to simpler devices, the Guardlock switch s advanced capabilities and long-term safety benefits may justify the investment.

Based on the information provided, I would recommend the Allen-Bradley 440G-T27172 Guardmaster TLS-GD2 Guardlock Switch for applications where safety, reliability, and ease of use are top priorities. It is a suitable choice for users who require a versatile and advanced lockout/tagout device, particularly in industrial environments where harsh conditions may impact the performance of simpler devices.

Details:

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part #: 440gt27172 prices

• $100.00-$258.50

specifications plcmechanize:

• brand: Allen-bradley
• type: Plc Processor Module
• notice: Products And Box Label Are Not Provide Full Barcodes And Qr Code
• manufacturer part number: 440G-T27172
• controller platform: Controllogix
• country of origin: United States

returns plcmechanize:

• paid by: Seller
• time: 60 Days
• policy: Returns Accepted
• method: Money back

payments plcmechanize:

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

offer plcmechanize:

• options: Ship-to-home
• started: January 20, 2026
• quantity: 2
• best offers: True
• sold: 0
• availability: In Stock

shipping plcmechanize:

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

seller plcmechanize:

• rating: 100.0%
• city: Bordentown, New Jersey
• # reviews: 14

general plcmechanize:

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

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