440G-EZS21STL05H

The Allen-Bradley Model 440G-EZS21STL05H Safety Switch, Product Number 548347, is a compact and versatile safety device designed to meet the requirements of various applications in machinery automation. This safety switch is part of Rockwell Automation's 440G series, which is known for its ease of installation, use, and maintenance.

This particular model is a normally open, 2-pole, 5-ampere, 120Vac safety switch. It's designed to provide reliable protection against hazards such as motor start-up in the presence of personnel or unintended operation of machinery. The safety switch is constructed of die-cast aluminum with a robust design that can withstand harsh industrial environments.

The 440G-EZS21STL05H safety switch features a unique, easy-to-install design. It comes with a factory-installed and adjustable 10A fuse, eliminating the need for field wiring. Additionally, it includes a test button that allows for quick and easy functional testing without the need for external test equipment. The switch also has a clear, tamper-evident cover, making it easy to identify if the switch has been tampered with.

Another advantage of this safety switch is its ability to be used in various configurations. It can be installed as a standalone device, or it can be used in combination with other safety devices, such as contactors or overload relays, to form safety circuits. The switch also has a removable actuator, which allows for easy replacement or modification of the actuator to suit different application requirements.

The Allen-Bradley 440G-EZS21STL05H Safety Switch, Product Number 548347, is an essential component for any machinery safety system. Its compact size, easy installation, and versatile capabilities make it an ideal solution for a wide range of applications. With its robust construction and reliable performance, this safety switch is an essential tool for ensuring the safety and productivity of industrial machinery.

The Allen-Bradley Model 440G-EZS21STL05H Safety Switch (PN-548347) is a versatile and reliable safety device used in various industrial applications. Here are some pros and cons of buying this safety switch:

1. Versatility: This safety switch can be used for various applications such as emergency stop, interlock, and preset functions. It can be mounted in various orientations, making it suitable for diverse installation requirements.

2. Easy Installation: The plug-in design of this safety switch simplifies the installation process. It can be easily connected to the control system, reducing the installation time and effort.

3. Safety: This safety switch complies with various safety standards, including the Machinery Directive, UL, and CSA. It ensures the safety of the operators and the equipment by providing reliable protection against hazards.

4. Durability: The safety switch is designed to operate in harsh environments, making it suitable for industrial applications. It can withstand high temperatures, humidity, and vibrations.

5. Diagnostic Capability: The safety switch provides diagnostic capability, which helps in identifying and resolving faults in the system. It reduces the downtime and increases the productivity of the equipment.

1. Cost: The Allen-Bradley safety switch is more expensive than some other safety switches in the market. It may not be an ideal choice for small-scale applications where cost is a significant concern.

2. Complexity: The safety switch has several features and functions, which may require additional programming and configuration. It may be challenging for users who are not familiar with the control system.

3. Size: The safety switch is larger than some other safety switches in the market, which may require additional space for installation.

4. Maintenance: The safety switch requires periodic maintenance to ensure its proper functioning. It may require calibration, cleaning, and replacement of worn-out parts.

In conclusion, the Allen-Bradley Model 440G-EZS21STL05H Safety Switch (PN-548347) is a reliable and versatile safety device that offers several advantages such as easy installation, safety, durability, and diagnostic capability. However, it may have some disadvantages, such as cost, complexity, and size. If the application requires a safety switch with these features and the budget allows, this safety switch is an excellent choice. Otherwise, users may consider other options that may be more cost-effective or simpler to install and use.

Details:

Allen Bradley 440G-EZS21STL05H series a, electromagnetic safety switch PN-548347.

specifications indusswitch:

• brand: Allen Bradley
• mpn: 440g-ezs21stl05h
• part type: Switch

shipping indusswitch:

• type: fixed
• service: economy
• transit: 4-9 days
• class: economy

payments indusswitch:

• wallet: apple-pay
• other
• credit card: diners-club

seller indusswitch:

• # reviews: 4540
• city: cambridge, minnesota
• rating: 99.5%

general indusswitch:

• category: Business & Industrial > Electrical Equipment Supplies > Switches > Accessories

offer indusswitch:

• in stock #: 5
• sold #: 16
• options: ship-to-home
• prices: $145.00–$2499.00
• item condition:
  • New
  • New – Open box
  • Used
  • Seller refurbished
• started: may 30, 2026
• availability: in stock

returns indusswitch:

• policy: no returns

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