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Our interlock system can be configured to satisfy all your hazardous containment needs and requirements.

If your hazardous area changes in shape and size, the system can be moved easily and quickly, with minimum disruption.

If the area becomes a non-hazardous area, demount the system and put it in store ready for the next time and place it is needed

For more information please contact us on either:
+44 (0) 1333-311-938 or +44 (0) 1235-833-132,
or by clicking on the "contact us" link at the top of this page.


LSS-ITLK-MCU-14 - Main Control Unit
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LSS-ITLK-MCU-14 - Main Control Unit

The Main Control Unit (MCU) provides the following features;
E-Stop Emergency control push to stop button
Master key switch
Energise button for manual set and reset
De-energise button for manually switching the system off.
LCD display showing faults and fault locations

This unit also provides a number of switchable outputs;
2 x Mains rated NO contacts rated to 10 amps
1 x 24VDC switched supply when system armed, used for control of external devices such as shutters or relays.
3 x NO contacts rated at 1 amp for switching low voltages
3 x Unassigned 24 volt switched inputs

1 unit required per installation, the MCU can control 16 doors to either the laboratory or enclosure.

Requires mains 240 Volts AC 10 milliamp supply

LSS-ITLK-DCU-14 - Door Control Unit
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LSS-ITLK-DCU-14 - Door Control Unit

The Door Control Unit (DCU) allows users to leave a controlled environment without removing the hazard.


The "Exit" button allows the door to a controlled area to be opened for a fixed period of time without closing or switching the hazard off. Whilst the door open function is in operation an audible alarm will sound.

Door status signals are terminated in the DCU, and allow a 24VDC at 0.5 amps to operate a magnetic door lock when the door status is closed.

1 unit required per door

LSS-ITLK-KEYDISP-14 Keypad and display
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LSS-ITLK-KEYDISP-14 Keypad and display

Keypad and display unit.

The keypad and display provides an indication of hazard status and an audible "door open for access" alarm

Standard functions include;

Up to 100 programmable codes.
Service engineer control codes.

Visual display showing:
No hazard (green).
Visual hazard warning (red).
Additional hazards Service engineer control (red flashing).

Audible door "open" signal whilst system is on and magnetic locks de-energised.

1 unit required for each door

LSS-ITLK-MAGSW-14 - Door switches
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LSS-ITLK-MAGSW-14 - Door switches

Allen-Bradley Sipha S2 Non-contact Safety Switch

The Sipha S2 is a non-contact switch in a slim ABS housing with moulded-in brackets, making it extremely versatile and simple to install. It incorporates several magnetically sensitive elements, which must be triggered in a particular sequence to operate correctly. It is designed to operate with its own actuator to help prevent the switch being defeated by a simple magnet. The Sipha S1 must be connected to the Sipha control unit to provide a monitored circuit.

Coding meets the requirements of more complex applications where simple magnetically actuated switching may not be sufficient
Head & actuator are IP67 rated, which is ideal for steam cleaning or high pressure hosing down
Non-contact actuation
Magnetic coded sensing
Slim moulded ABS housing, 82x19x19mm



EN1088, EN292, EN60204-1.

1 set of switches required for each door leaf

LSS-ITLK-MAGLK-14 - Magnetic door lock
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LSS-ITLK-MAGLK-14 - Magnetic door lock

Our magnetic lock is one of the popular choices for passive access control solutions, because of its small size it is easy to fit and not that obtrusive when mounted on a door. Even though small in size it still packs a mighty punch when it comes to holding power at a whopping 250Kg of holding force. Satin Anodised finish is quite popular when it comes to magnetic locks and this is not dissimilar in the category.

The Magnetic Door Lock has a complete array of accessories to complete any door installation. Where the door hinges in or out, there is a range of brackets to suite the application. Pulling less that half an amp means there is plenty of scope out of a 1 amp power supply to feed the magnetic door lock.

1 x lock per door

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Protection 600 to 1000nm
Protection 600 to 1000nm
681-<689 DIR LB5 689-782 D LB5 + IR LB7 >782-789 ...
Table Top Barriers
Table Top Barriers
Kit for an optical table of size 4'x6'(or equivalent...
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