
( Brand: Allen-bradley ), ( Part Type: Safety Switch Box ), ( Manufacturer Part Number: 440E-L22BNSM ), ( Controller Platform: Guardmaster )
The Allen-Bradley 440E-L22BNSM and 440E-L22BNST Safety Cord Switches are versatile and compact solutions designed to protect equipment and operators from potential electrical hazards. These switch boxes are part of the Rockwell Automation's 440E series, which is known for its reliability and ease of use in various industrial applications.
The 440E-L22BNSM and 440E-L22BNST Safety Cord Switches are designed to house safety cord switches, which are essential components of safety interlock systems. The switch boxes are made of die-cast aluminum, ensuring durability and resistance to harsh industrial environments. They are also designed with a gasketed cover for IP20 protection against ingress of solid objects and dripping water.
The 440E-L22BNSM and 440E-L22BNST Safety Cord Switches feature a latching design, allowing the switch to remain in the last position it was switched to until it is manually reset. The switches are rated for a maximum voltage of 30 volts DC and a maximum current of 10 amps. They are also UL listed and CSA certified, ensuring compliance with the necessary safety standards.
The switch boxes are designed to be easily mounted on a DIN rail or a surface using the provided mounting hardware. They have a total height of 1.2 inches and a width of 4.75 inches, making them a compact solution for space-constrained control panels. The switch boxes also have a clear, removable cover for easy access to the switch and wiring connections.
In summary, the Allen-Bradley 440E-L22BNSM and 440E-L22BNST Safety Cord Switches are durable, compact, and reliable solutions for protecting equipment and operators from electrical hazards. They are made of die-cast aluminum, feature a latching design, and are UL listed and CSA certified. These switch boxes are an essential component of safety interlock systems and can be easily mounted on a DIN rail or a surface.
The Allen-Bradley 440E-L22BNSM and 440E-L22BNST Safety Cord Switches are popular choices for machinery safety applications due to their reliability and compliance with various safety standards. However, like any other industrial automation component, these safety cord switches have their pros and cons.
Pros:1. Compliance with safety standards: These safety cord switches meet the requirements of various safety standards including UL 508A, UL 1977, and CSA C22.2 No. 14-16.
2. Versatile applications: The Allen-Bradley 440E-L22BNSM and 440E-L22BNST Safety Cord Switches can be used in a wide range of applications, including machine safeguarding, process control, and power distribution.
3. Easy to install: These safety cord switches come with a plug-in design, which makes installation quick and easy.
4. Durable construction: The safety cord switches are built to withstand harsh industrial environments, with a rugged design and corrosion-resistant materials.
Cons:1. Limited input and output configurations: These safety cord switches are available in a limited range of input and output configurations.
2. Higher cost compared to non-safety rated switches: Safety cord switches, in general, and the Allen-Bradley 440E-L22BNSM and 440E-L22BNST models, in particular, come with a higher price tag compared to non-safety rated switches.
3. Requires additional wiring: These safety cord switches require additional wiring for safety features like grounding and bonding, which can add to the installation time and cost.
In conclusion, the Allen-Bradley 440E-L22BNSM and 440E-L22BNST Safety Cord Switches offer reliable performance, compliance with safety standards, and easy installation. However, they come with a higher cost compared to non-safety rated switches, and their input and output configurations may be limited for some applications.
Recommendation:If your application requires compliance with safety standards and you're looking for a reliable and easy-to-install safety cord switch, then the Allen-Bradley 440E-L22BNSM and 440E-L22BNST Safety Cord Switches are worth considering. However, it's essential to evaluate the specific input and output configurations required for your application and ensure that these safety cord switches meet your needs before making a purchase. If your application doesn't require safety certification, then non-safety rated switches may be a more cost-effective option.
Contacts: 2 N.C.: Brand: Allen-Bradley / Rockwell Automation. Application: Emergency stop along conveyors and machinery. Housing Material: Stainless steel.
Condition: New no box OEM surplus, never installed. Series: 440E Lifeline. Unit was removed from OEM surplus stock and does not include the original box. MPN: 440E-L22BNST.
Environment: Wash down / corrosive hygienic areas food, beverage, etc. Auxiliary mechanically linked. Type: Safety pull cord / rope switch. Fast shipping and secure packaging.
This is the stainless housing version, designed for harsh and wash down environments such as food, beverage, chemical processing. Color: Stainless / Metallic. What You Can Expect: Visually inspected for any signs of damage. Stored in a clean, dry environment.
Allen-Bradley 440E-L22BNST A Stainless Steel Safety Pull Cord Switch, New No Box: Brand new, never installed stainless steel safety pull cord rope switch.