Rockwell Automation 440T-MDSLE11XXYY Trapped Key Interlock – Ensuring Safety in Industrial Processes
The Rockwell Automation 440T-MDSLE11XXYY Trapped Key Interlock is designed to provide enhanced safety and security in industrial environments. It locks out hazardous energy sources to prevent unauthorized access, ensuring operator safety and compliance with industry standards.
Module Type:Trapped Key Interlock
Manufacturer:Rockwell Automation
Model Number:440T-MDSLE11XXYY
Actuator Style:Push/Pull
Material:Stainless Steel
Locking Mechanism:Rotary Cam
Safety Standard Compliance:ISO 14119, OSHA Regulations
Operating Temperature Range:-20°C to +80°C
Certifications:CE, UL, CSA
This trapped key interlock is specifically designed to improve safety in industrial settings by ensuring that machinery can only be accessed when it is safe to do so. It prevents accidental start-up or tampering with machinery during maintenance or repair processes.
Constructed from high-quality stainless steel, the A-B 440T-MDSLE11XXYY is built to withstand harsh industrial environments. Its robust design includes two normally open (NO) and two normally closed (NC) contacts, providing reliable interlock functionality.
The unit operates on 24 VDC and is protected against dust and water ingress up to an IP65 rating, making it suitable for a wide range of applications. It can be mounted either on a panel or wall, offering flexible installation options.
Included with the interlock is one key that must be removed before access can be granted, adding an extra layer of security and ensuring compliance with safety regulations. The key trapping mechanism helps prevent unauthorized access and reduces the risk of accidents.
Designed for ease of use and maintenance, the A-B 440T-MDSLE11XXYY is a reliable solution for enhancing safety in industrial operations. Its straightforward design makes it easy to install and integrate into existing systems.















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