Rockwell A-B 440N-Z21U26B Guardmaster Non-Contact Safety Switch, Industrial Use
The Rockwell A-B 440N-Z21U26B Guardmaster Non-Contact Safety Switch is designed to provide reliable safety protection for operators in industrial environments. It uses non-contact technology to monitor machine guards, ensuring compliance with international safety standards without compromising operational efficiency.
Brand:Rockwell Automation
Model:440N-Z21U26B
Type:Non Contact Safety Switch
Technology:Magnetic Inductive
Protection Rating:IP67
Operating Voltage:24 VDC
Current Rating:2 A
Switching Capacity:2 A at 24 VDC
Response Time:<5 ms
Connection Type:Quick Disconnect
Operating Temperature Range:-25°C to +60°C
Storage Temperature Range:-30°C to +85°C
Weight:0.2 kg
Dimensions:50 x 50 x 25 mm (LxWxH)
The Rockwell A-B 440N-Z21U26B Guardmaster Non-Contact Safety Switch offers a high level of reliability and safety for industrial applications.
Utilizing magnetic technology, this switch detects the presence of guards without physical contact, ensuring that machinery remains off until all access doors are properly closed.
Its IP67 rating makes it suitable for harsh industrial environments, providing protection against dust and water ingress.
With a fast response time of less than 1 millisecond, it quickly reacts to changes in guard status, making it an ideal choice for safeguarding personnel and equipment in manufacturing facilities.
The switch is equipped with two normally open contacts and operates at a voltage of 24VDC, making it compatible with most industrial control systems.
Installation is straightforward, and its compact design allows for easy integration into existing machinery.



















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