Rockwell Automation A-B 440K-E33025 Guardmaster Elf Tongue Interlock
The Allen-Bradley 440K-E33025 Guardmaster Elf Tongue Interlock is a critical safety device designed to protect personnel from machinery hazards by ensuring that equipment cannot operate when access doors are open. It integrates seamlessly with control systems and offers reliable protection in manufacturing and processing environments.
Manufacturer:Rockwell Automation
Model Number:440K-E33025
Type:Guardmaster Elf Tongue Interlock
Protection Rating:IP67
Actuator Type:Magnetic Reed Switch
Operating Temperature Range:-20°C to +80°C
Material:Stainless Steel
Mounting Options:Panel or Cable Mounting
Power Supply:10-30V DC
Input Voltage Range:9-30V DC
Output Ratings:100mA @ 30V DC
Weight:0.2 kg
Dimensions:L 52mm x W 52mm x H 22mm
The Rockwell A-B 440K-E33025 Guardmaster Elf Tongue Interlock is an advanced safety device designed to enhance operational safety in industrial environments. Crafted from high-quality stainless steel, it ensures durability and resistance against harsh environmental conditions. Its compact design makes it easy to integrate into existing machinery without requiring extensive modifications.
This safety switch operates within a wide temperature range (-25°C to +70°C), making it suitable for use in a variety of climates and industrial settings. With a robust protection rating of IP67, it is highly resistant to dust, water, and other contaminants, ensuring reliable performance over time.
Equipped with both normally open and normally closed contact configurations, this interlock switch provides flexibility in safety circuit design, allowing users to choose the configuration that best suits their needs. It supports input voltages between 10-30VDC and can handle up to 2A at 30VDC, making it compatible with a wide range of control systems.
Installing the 440K-E33025 is straightforward, thanks to its intuitive design. It includes clear mounting instructions and all necessary hardware for a hassle-free installation process. Once installed, the switch ensures that machines cannot operate unless the guard is fully engaged, significantly reducing the risk of operator injury.
Maintaining the Guardmaster Elf Tongue Interlock is simple and straightforward. Regular cleaning with mild detergent and water will keep it functioning optimally. For more detailed maintenance guidelines, please refer to the user manual included with each purchase.



















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