Allen Bradley Guardmaster 440T Safety Interlock Switch, 2NO/2NC, Keyed Actuator Included, Stainless Steel

Prevent accidents in your industrial workplace using this safety interlock switch from Rockwell Automation's Allen Bradley Guardmaster range. It lets you access a potentially dangerous area or machine when you insert the key into the lock. When you switch off power to the machinery, you can safely remove the key and insert it into another lock. This unit has a built-in actuator, eliminating the need to mount a separate actuator on your door. Its rugged stainless steel housing is resistant to hard impacts for durability.

• Tamper-resistant screws to prevent unauthorised access
• Broad operating temperature range between -10°C and +40°C to withstand demanding environments
• Colour-coded tag for easy identification in visually busy places

• CE
• TÜV
• EN ISO 14119
• GS-ET-31
• EN ISO 13489-1

Our Rotary Trapped Key Interlock Switches are used for electrical isolation of machinery to improve safe access and also as teach boxes in robot cells. Once the power has been turned off, the key can be withdrawn and used in the next sequence of operation such as unlocking an access hatch or allowing valves to be operated. The rotary switch can be mounted in a panel or purchased in an enclosure.

316 stainless steel keys
Direct drive operation positively opens contacts
Stainless steel dust cap included
Up to 100 A isolation
4 N.O. or 2 N.O. and 2 N.C. contacts
Available with up to 4 keys

Yes, you can. This switch is rated IP65, which means it's dustproof and protected against low-pressure water jets, making it safe for outdoor use. It also comes with a weather cap over the keyhole, which protects it from contaminants and moisture build-up.