Allen Bradley 440F-EFNNN04220 Safedge Guardmaster Safety Edge Profile

FAQ

Q1: What is Allen-Bradley 440F-EFNNN04220?
It is a Safedge Guardmaster safety edge profile designed for industrial machine safety applications.

Q2: What is the main function of this product?
It detects pressing or actuation of the safety edge and provides a signal to initiate a machine stop.

Q3: Where is the 440F-EFNNN04220 used?
It is used on machinery, moving equipment, access points, and other areas where contact with a hazardous moving part needs to be detected.

Q4: What type of safety device is it?
It is a pressure-sensitive safety edge, rather than a light curtain, safety mat, or cable-pull switch.

Q5: What is the profile length?
The specified profile length is approximately 4220 mm (4.22 m).

Q6: What safety function does it provide?
When the edge is pressed or actuated, it changes its safety circuit state so that the associated safety control system can initiate a stop command.

Q7: Is the 440F-EFNNN04220 still available as a new product?
No. The product is listed as discontinued for sale as of December 12, 2025.

Q8: What replaced the 440F-EFNNN04220?
Because this specific configuration is discontinued, replacement selection should be based on the required Safedge profile length, cable arrangement, installation method, and safety-controller compatibility rather than assuming a direct one-to-one replacement.