Allen Bradley A-B 440T-MSALE11LD Trapped Key Interlock, Safe & Reliable Lockout System
The Rockwell A-B 440T-MSALE11LD Trapped Key Interlock is an advanced safety device designed to prevent unauthorized access to industrial machinery. This interlock ensures operator safety by locking out hazardous energy sources until the machine is in a safe state.
Product Name:A-B 440T-MSALE11LD Trapped Key Interlock
Manufacturer:Allen Bradley
Model Number:440T-MSALE11LD
Module Category:Trapped Key Interlock
Operation Method:Mechanical
Safety Standard Compliance:IEC 61508, ISO 13849
Operating Temperature Range:-20°C to +70°C
Protection Rating:IP65
Material:Stainless Steel
Weight:1.5 kg
Dimensions:120mm x 80mm x 40mm
The A-B 440T-MSALE11LD Trapped Key Interlock is a critical safety device for industrial applications where protecting personnel from hazardous machinery is paramount. It ensures that machines can only be accessed or operated under safe conditions, thereby reducing the risk of accidents and injuries.
This interlock device is made from high-quality stainless steel, providing robust durability and corrosion resistance, making it suitable for use in harsh industrial environments. Its IP65 protection rating means it can withstand dust and water exposure, ensuring reliable operation in challenging conditions.
The key trapping system of this interlock device ensures that once a key is removed, the machine cannot be started until the key is returned, enforcing a strict safety protocol. This feature is particularly useful in industries such as manufacturing, mining, and power generation, where safety is non-negotiable.
With its compact design measuring 8.7 x 6.9 x 3.2 inches and weighing just 2.5 lbs, the A-B 440T-MSALE11LD Trapped Key Interlock is easy to install and maintain. It operates on a 24V DC voltage supply, which is standard in many industrial control systems, making integration straightforward.
To operate the A-B 440T-MSALE11LD Trapped Key Interlock, simply insert the key to unlock the machine. Once the key is removed, the machine locks automatically, ensuring that no unauthorized access occurs. This device is a must-have for any facility prioritizing the safety of its workers and equipment.











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