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Operating Instructions: Alfred Solenoid Controlled Guard Lock

Description

The Alfred Solenoid Controlled Guard Lock is a robust, heavy duty Solenoid 

Controlled Guard Locking Device which can be used to lock and secure a machine 

guarding application and/or provide an interlocking function to a machine.

A full Alfred Solenoid Controlled Guard Lock product can be configured from a 

selection of Actuator Modules, Head Modules and can include up to three Key 

Adaptors all mounted above an Ex rated Solenoid Module.

The Ex rated Solenoid Module at the base of an Alfred Solenoid Controlled Guard 

Lock product contains dual safety circuits and a monitoring circuit which are linked 

to the operation and function of the assembled Head Module and / or Key Adaptor 

modules.

The Ex rated Solenoid Module is available in both Power-To-Unlock and Power-

To-Lock versions and with and without Safety Circuit monitoring on the Solenoid 

locking or unlocking action. See Options and Ordering Information section for 

details.

The Alfred Solenoid Controlled Guard Lock’s tough Stainless-Steel enclosures 

and IP67 and IP69 sealing protection make it perfect for any heavy duty or regular 

application.

As consistent with the rest of the Alfred product range, the Alfred Solenoid 

Controlled Guard Lock is rated for use in Hazardous Locations and Explosive 

Atmospheres (See ATEX, IECEx and HazLoc section below for full product ratings, 

marking and detail).

Approvals and Certifications 

Important:

This product is designed for use according to the installation and operating instructions enclosed. It must be installed 

by competent and qualified personnel who have read and understood the whole of this document prior to commencing 

installation. If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment 

may be impaired. Any modification to or deviation from these instructions invalidates all warranties. Fortress Interlocks Ltd 

accepts no liability whatsoever for any situation arising from misuse or misapplication of this product.

This product is not to be used as a Mains Isolator or Emergency Stop. The unit is a component to be added to a permanent 

electrical installation meeting the requirements of the applicable IEC/EN standards. This product meets the requirements of 

the standard IEC/ EN 61010-1:2001safety requirements for electrical equipment for measurement control and laboratory use 

- Part 1 General Requirements.

The voltages used within the Alfred Ex Rated Solenoid Module circuits must all be of the same type. i.e. ALL Hazardous Live 

or ALL Machine Extra Low Voltage. It is vitally important that the correct version of this unit is selected. 

DO NOT LEAVE AUXILIARY RELEASE/ MANUAL OVERRIDE KEY IN PLACE! DO NOT REMOVE LID WITH OVERRIDE 

KEY IN PLACE!

Always keep Manual Override Key in a secure place, under management control, as it allows access to areas that 

may have a residual hazard and may result in incorrect operation of some devices.

BEWARE OF INTENTIONAL MISUSE CAUSED BY OPERATORS WANTING TO BYPASS SAFETY SYSTEMS. THE 

INSTALLER SHOULD ASSESS THE RISKS AND MITIGATE AGAINST THEM.

IF YOU HAVE ANY QUESTIONS OR QUERIES OF ANY NATURE WHATSOEVER PLEASE CONTACT THE SUPPLIER 

WHO WILL BE PLEASED TO ADVISE AND ASSIST.

APPROV

ALS PENDING 

Summary of Contents for FORTRESS Alfred

Page 1: ...operating instructions enclosed It must be installed by competent and qualified personnel who have read and understood the whole of this document prior to commencing installation If the equipment is u...

Page 2: ...65 3 4 When used for a Group III application the adhesive labels and non metallic coatings may store electrostatic charge and become a source of ignition Guidance on protection against the risk of ign...

Page 3: ...750mm Can be fitted in two positions at 90 to either hinged or sliding door gates Description Part No Handing Hinged Handle Assembly EXPHL1 Front Integrated handle for guarding applications with hinge...

Page 4: ...21 ALFRED SAFETY SWITCH OPERATING INSTRUCTIONS IMAGES DWG NO SD 00 2 LEFTHAND FACING DIRECTION OF ACTUATOR ENTRY 1 FRONT FACING HEAD 3 REAR FACING 4 RIGHTHAND FACING Head Modules Description Part No H...

Page 5: ...hinery that is required to be isolated before access Safety Key Adaptors Used to provide a personnel key function to prevent unexpected machine start up Extracted Key Adaptor Also used as a personnel...

Page 6: ...dard dustcover Description Part No Extracted Key Adaptor EKL7 Master lock type standard dustcover Description Part No Extracted Key Adaptor EKL3 Standard lock type padlockable dustcover Description Pa...

Page 7: ...olenoid EXPXL416 Power to Unlock device Dual Safety Circuits change state on opening closing of a guarded area or operation of an interlocked key Monitoring circuit on Solenoid action provides feedbac...

Page 8: ...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 Diagn...

Page 9: ...depending on product selection and configuration See specific functioning section below With Solenoid de energised the Internal mechanism of the Power to Unlock Ex Rated Solenoid Module automatically...

Page 10: ...Monitor Circuit opens breaks Safety Circuits remain closed Gate Monitor Circuit remains broken Unlocking De Energise the Solenoid Internal locking mechanism dis engages to remove locking force from th...

Page 11: ...k product An Extracted style Key Adaptor will always be located closest to the Head Module If Extracted style and Safety style Key Adaptors are configured together their operation sequence will combin...

Page 12: ...essinterlocks com THE COPYRIGHT OF THIS DRAWING BELONGS TO FORTRESS INTERLOCKS Ltd THE CONTENT OF THIS DRAWING IS CONFIDENTIAL AND MUST NOT BE DISCLOSED TO ANY 3rd PARTY WITHOUT SPECIFIC WRITTEN APPRO...

Page 13: ...FORTRESS INTERLOCKS Ltd THE CONTENT OF THIS DRAWING IS CONFIDENTIAL AND MUST NOT BE DISCLOSED TO ANY 3rd PARTY WITHOUT SPECIFIC WRITTEN APPROVAL ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED A3 SC...

Page 14: ...ntenance procedures are all easily possible All fixing screws used to mount the complete Alfred Solenoid Controlled Guard Lock product must be permanently prevented from removal If mounting fixings ar...

Page 15: ...ATE 25 02 21 ISSUE 0 ALFRED SAFETY SWITCH OPERATING INSTRUCTIONS IMAGES DWG NO SD 00033 Operating Instructions Alfred Solenoid Controlled Guard Lock 15 Electrical Connection and Installation Tools and...

Page 16: ...Circuit and terminal 13 Solenoid Monitor Circuit Terminal 12 Guard Open Output Signal Control signal produced by the Ex Rated Solenoid Module to indicate that the Machine Guarding is in an open state...

Page 17: ...3 14 INTERNAL EARTHING POINT SHALL BE USED FOR EQUIPMENT GROUNDING CONNECTION FIX WITH M4 FIXING SCREW SUPPLIED SEE OPERATING INSTRUCTIONS FOR DETAILS XPXL471 13 3 4 EXTERNAL EARTHING POINT SHALL BE U...

Page 18: ...ard Lock product If damage or wear is found with an assembly please contact your local Fortress Channel Partner The complete interlock must be replaced after 1 million switching operations Disposal Th...

Page 19: ...the declaration described above is in conformity with the relevant Union harmonisation legislation 2014 34 EU The following harmonised standards and other technical specifications were used in suppor...

Page 20: ...e is in conformity with the relevant Union harmonisation legislation 2014 34 EU The following harmonised standards and other technical specifications were used in support of this declaration Harmonise...

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