Rockwell A-B 440N-Z21US2JN9 Guardmaster 440N Non-Contact Safety Switch
The Rockwell Automation Guardmaster 440N Non Contact Switch offers a robust and reliable safety interlock solution designed for industrial applications. This switch ensures personnel and equipment safety by interrupting power to machinery when access gates are opened, adhering to stringent safety standards.
Operating Voltage:24 VDC
Detection Distance:10 mm
Response Time:< 1 ms
Protection Rating:IP67
Output Signal:PNP/NPN
Operating Temperature:-25°C to +70°C
Dimensions:62 mm x 38 mm x 22 mm (L x W x H)
The Guardmaster 440N Non Contact Switch from Rockwell Automation is an industry-leading safety device designed for protecting workers and machinery in harsh environments. This non-contact switch utilizes advanced magnetic sensing technology to detect access gate positions without physical contact, ensuring consistent and reliable operation even in challenging conditions.
Crafted from durable materials, this switch is built to withstand harsh industrial environments and is resistant to dust, water, and mechanical shocks. It features a robust IP67 rating, making it suitable for both indoor and outdoor applications.
Installation is straightforward, thanks to its modular design that allows for quick integration into existing systems. The switch operates on a low voltage DC supply, providing a safe and efficient solution for safety circuit control.
This model is fully compliant with major safety standards, including OSHA, ANSI, and ISO 13849-1, ensuring that you meet all necessary regulatory requirements for workplace safety. With over 10 million cycles of reliable operation, the 440N-Z21US2JN9 offers a long-lasting and dependable solution for safeguarding your operations.


















There are no reviews yet.