Allen Bradley 440G-TZS21UPLH Guard-Master Interlock Switch with Key 440G-ATZAE

Description:

The Allen-Bradley 440G-TZS21UPLH Guard-master Interlock Switch with 440G-ATZAE Key is used in industrial machine safety systems to monitor and lock safety guards while preventing access to hazardous machinery during operation. Commonly installed on machine guarding, robotic cells, packaging equipment, conveyor systems, CNC machines, and automated production lines requiring safety interlocking and guard locking. Maintenance teams, OEMs, and system integrators use this interlock switch for system integration, retrofit, or replacement of safety interlock switches in Guard-master machine safety systems.

Applications:

The Allen-Bradley 440G-TZS21UPLH Guard-master Interlock Switch with 440G-ATZAE Key is commonly used in packaging machinery, robotic work cells, palletizers, automated assembly lines, material handling equipment, machine tools, and other industrial applications where personnel protection and controlled machine access are required. The TLS-Z GD2 Guard-master design features RFID-coded actuator technology, power-to-lock operation, and electronic PNP safety outputs to help achieve high levels of machine safety.

Technical Specifications:

• Manufacturer: Allen-Bradley
• Series: Guard-master TLS-Z GD2
• Model / Part number: 440G-TZS21UPLH
• Included actuator: 440G-ATZAE Fully-Flex Key
• Product type: Guard locking safety interlock switch with actuator
• Locking type: Power-to-lock
• Solenoid voltage: 24V AC/DC
• Safety outputs: 2 × PNP (0.2 A max.)
• Auxiliary output: 1 × PNP lock status (0.2 A max.)
• Holding force: 2,000 N (450 lb)
• Connection type: 8-pin Micro (M12) connector
• Coding: RFID coded actuator
• Protection rating: IP67
• Application environment: Industrial machine guarding and functional safety systems

Common Replacements:

• Allen-Bradley 440G-LZ21UPLH
• Allen-Bradley 440G-MTZS21UPLH
• Allen-Bradley 440G-EZS21UPLH