Description 

The 440G-LZS21SPLH is a GuardLock safety interlock switch from Allen-Bradley, designed for safeguarding machine guards and doors.

Technical Specifications 

Information About 440G-LZS21SPLH

The 440G-LZS21SPLH is a GuardLock safety interlock switch from Allen-Bradley’s 440G-LZ series, designed to provide reliable safety guarding by controlling access to hazardous areas in industrial machinery.

Key Features:

• Type: GuardLock Safety Interlock Switch

• Series: 440G-LZ

• Locking Type: Power-to-lock (maintains locking force when power is applied)

• Actuator Type: Separate actuator (sold separately or included depending on the configuration)

• Locking Force: High locking force, suitable for securing heavy or high-force guard doors

• Contact Configuration: Typically includes safety-rated contacts (NO/NC) for monitoring guard position and lock status

• Housing Material: Robust metal or reinforced thermoplastic, designed for industrial durability

• Mounting: Door or gate mount

• Safety Standards: Complies with ISO 14119, ISO 13849-1 (up to PLe), and EN/IEC 62061 (up to SIL 3)

• Applications: Machine guarding, robotic cells, presses, and other hazardous equipment requiring controlled access

The 440G-LZS21SPLH ensures both personnel safety and machine protection by preventing access to hazardous areas until conditions are safe.