Rockwell Automation Publication 440G-UM001A-EN-P — November 2013
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Appendix
A
Specifications
Introduction
This appendix provides the specifications for the Guardmaster 440G-LZ
guard locking switch.
Note:
The holding force Fzh is in accordance to EN/ISO 14119:2013,
clause 5.7.4. Additional validation was performed in accordance with IEC
60947-5-1:2009, clause C.1.2.2.
Safety Ratings
Operating Characteristics
Standards
IEC 60947-5-3, IEC 60947-5-1, IEC 61508, EN/
ISO 13849-1, IEC 62061, EN/ISO14119, UL 508
Safety Classification: Guard door sensing and
lock monitoring
PLe Category 4 per ISO 13849-1, SIL 3 per IEC
61508 and IEC 62061
Functional Safety Data: Guard door sensing and
lock monitoring
PFHD: 9.1 x 10
-10
Dual channel interlock may be suitable for use
in applications up to PLe (in accordance with
ISO 13849-1) and for use up to SIL 3 systems (in
accordance with IEC 62061), depending on
application characteristics.
Mission time/PTI: 20 years
440G-LZS21*PR*
Power-to-release
440G-LZS21*PL*
Power-to-lock
Switch function
OSSDs enable when guard closed and locked
Torque for M5 mounting of switch and actuator
mounting bracket
2 Nm max.
Locking bolt insertion for assured locking and
holding force
Minimum of 5 mm (0.19 in.), maximum of 10
mm (0.39 in.)
Approach speed
Minimum of 2 mm/s
Locking bolt alignment tolerance X, Y, Z
Maximum of +/- 2.5 mm
Holding force Fmax (EN/ISO 14119)
1,690 N
Holding force Fzh (EN/ISO 14119)
1,300 N
Maximum output current (each output)
200 mA
Quiescent power consumption, Locked or
Unlocked
2.5 W
Summary of Contents for Allen-Bradley Guardmaster 440G-LZ
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