A-B 440E-D21BNYHGuardmaster Lifeline 3 Cable Pull Switch – Industrial Control Solutions
The A-B 440E-D21BNYHGuardmaster Lifeline 3 Cable Pull Switch is an industrial safety device designed for emergency stop applications. It ensures operator safety by allowing immediate stopping of machinery in hazardous situations.
Switch Type:Cable Pull Switch
Model:440E-D21BNYH
Brand:Guardmaster
Voltage Rating:24-230V AC/DC
Operating Temperature:-20°C to +70°C
Protection Class:IP67
Cable Length:2 meters
Activation Force:<10 lbs
Mounting Options:Panel, Surface, Pendant
Certifications:CE, UL, CSA, IECEx
The Rockwell A-B 440E-D21BNYH Guardmaster Lifeline 3 Cable Pull Switch offers robust protection for workers and machinery in harsh industrial environments. Built from high-quality stainless steel, this switch is resistant to corrosion and can withstand extreme temperatures.
The switch’s IP67 rating ensures it is dust-tight and protected against water jets, making it ideal for outdoor use or areas prone to dust and moisture. It activates instantly upon cable pull, ensuring quick response times (<50 ms) to halt operations during emergencies.
This product complies with CE, UL, CSA, and IECEx standards, ensuring safety and reliability across international markets. It is compatible with various line connections including Rc 1/4 and 1/4 NPT, facilitating easy integration with existing systems.
The cable length of 3 meters provides flexibility in installation, allowing for optimal placement based on the layout of your machinery. The 24V DC power supply ensures stable operation in a range of electrical environments.
Included with the switch are mounting hardware options for panel mounting, making installation straightforward. For enhanced functionality, multi-selector options and activated carbon filters (if selected) provide additional customization.












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