Operating Instructions: Alfred Solenoid Controlled Guard Lock
8
Technical Specification
Actuator and
Head
Modules
Key Adaptor
Modules
Safety-on-Guard-
Locking type
Solenoid Modules
XL411 & XL471
Safety-on-Guard type
Solenoid Modules
XL416 & XL461
Construction Materials
316 Stainless Steel and
Stainless Steel to BS3146-2:1975 (ANC4B)
Mechanical Life
1,000,000 operations
Holding Force, F
ZH
7kN
Maximum Holding Force, F
1MAX
14kN
Operating Force (unlocked unit,
without Key Adaptors)
XX N
N/A
Key Operation Force
N/A
XX N
N/A
Electrical Specification
N/A
AC 50 / 60Hz / DC
Utilisation Category
N/A
AC 15 or DC 13
Maximum Switch Current
N/A
DC13: Le=0.5A, Ue=24V DC AC15: Le=1A,
Ue=24V AC
Minimum Switch Current
N/A
1mA at 5V DC
Maximum Switching Voltage
N/A
24V AC/DC
Switch Conformance
N/A
DIN VDE 0060 Part 206 & IEC 947-5-1
Switch Contacts on Actuator/Key
operation
N/A
2NC 1NO
2NC 1NO
Switch Contacts on Solenoid
operation
N/A
2NC 1NO
1NO
Safety Circuit Switching Principle
N/A
Positive break, dual channel
Solenoid Voltage
N/A
24V DC (+/-10%)
Solenoid Power Rating
N/A
350mA max @ 24V DC
Solenoid Rating (Duty Cycle)
N/A
100%
Transient Overvoltages Installation
N/A
Category III
Cable Size
N/A
28 – 12 AWG
Diagnostic Coverage (DC)
99%
λd
10%
Performance Level
N/A
Up to PLe
PLc to PLe*
Category
Up to Cat.4
B10d
5,000,000 operations
Ingress Protection
N/A
IP67 & IP69
Pollution Degree (IEC 664)
N/A
Degree 2
Environment
Indoor & Outdoor
Ambient Temperature
-20˚C (-4˚F) ** to +60˚C (+140˚F)
Maximum Humidity
80%@<=31°C; 50%@40°C
Maximum Altitude
2000m
Shock and Vibration Resistance
Tested in accordance with GS-ET-19_2015-05
Applicable Standards
BS EN ISO 13849-1:2015, BS EN ISO 13849-2:2012, BS EN ISO 14119:2013,
BS EN IEC 60079-0:2018, BS EN 60079-1:2014, BS EN ISO 80079-36:2016
* Depending on application.
** The units will only continue to work below freezing point (0°C) where it can be guaranteed that ice will not form on or in the unit as it will cause the
mechanical parts to bind and jam.
Safety Functions
Part No.
Safety Function 1
Turns mechanical movement of assembled Head module and/or Key Adaptor
module into operation of Safety Contacts.
EXP … XL***
Safety Function 2
Solenoid Mechanism holds door/gate locked.
EXP … XL***
