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Featuring a wide range of key interlock and safety systems.

Safety Interlocks

Trapped key interlocks have been used as part of integrated safety systems across a wide number of industries worldwide. Castell products are designed and manufactured to withstand the environmental conditions where people and assets need to be protected.

Access Control Castell Trapped Key Interlocking Systems Emergency Stops Isolation Key Exchange Safety Relays & Contactors 

Showing 1–30 of 1224 results

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Stainless Steel
Castell
AI-FSS-1 – Stainless Steel, Left Hinged Door (Bolt Enters left), FS Type, Castell AI Single Key Access Interlock
Part Number:
AI-FSS-1
Price:
£279.98
PDF:
AI-QS-1 – Stainless Steel, Left Hinged Door (bolt enters left), Q Type, Castell AI Single Key Access Interlock
Part Number:
AI-QS-1
Price:
£330.86
PDF:
AI-QS-2 – Stainless Steel, Right Hinged Door (bolt enters right), Q Type, Castell AI Single Key Access Interlock
Part Number:
AI-QS-2
Price:
£330.86
PDF:
AIE-FSS-D-1 – Left Hinged Door, Double Key, Stainless Steel, Castell AIE Dual Key Access Interlock
Part Number:
AIE-FSS-D-1
Price:
£440.81
PDF:
AIE-FSS-D-2 – Right Hinged Door, Double Key, Stainless Steel, Castell AIE Dual Key Access Interlock
Part Number:
AIE-FSS-D-2
Price:
£440.81
PDF:
AIE-FSS-E-2 – Right Hinged Door, Exchange Key, Stainless Steel, Castell AIE Dual Key Access Interlock
Part Number:
AIE-FSS-E-2
Price:
£440.81
PDF:
AIE-QS-D-1 – Left Hinged Door, Double Key, Stainless Steel, Castell AIE Dual Key Access Interlock
Part Number:
AIE-QS-D-1
Price:
£604.62
PDF:
AIE-QS-D-2 – Right Hinged Door, Double Key, Stainless Steel, Castell AIE Dual Key Access Interlock
Part Number:
AIE-QS-D-2
Price:
£604.62
PDF:
AIE-QS-E-1 – Left Hinged Door, Exchange Key, Stainless Steel, Castell AIE Dual Key Access Interlock
Part Number:
AIE-QS-E-1
Price:
£587.00
PDF:
AIE-QS-E-2 – Right Hinged Door, Exchange Key, Stainless Steel, Castell AIE Dual Key Access Interlock
Part Number:
AIE-QS-E-2
Price:
£587.00
PDF:
AIES-FSS-D-KF-1 – Standard, Double Key, Key Free, Bolt Trapped, Left Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-FSS-D-KF-1
Price:
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AIES-FSS-D-KF-2 – Standard, Double Key, Key Free, Bolt Trapped, Right Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-FSS-D-KF-2
Price:
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AIES-FSS-D-KT-1 – Standard, Double Key, Key Trapped, Bolt Trapped, Left Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-FSS-D-KT-1
Price:
£815.41
PDF:
AIES-FSS-D-KT-2 – Standard, Double Key, Key Trapped, Bolt Trapped, Right Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-FSS-D-KT-2
Price:
£815.41
PDF:
AIES-FSS-E-KF-1 – Standard, Exchange Key, Key Free, Bolt Trapped, Left Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-FSS-E-KF-1
Price:
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AIES-FSS-E-KF-2 – Standard, Exchange Key, Key Free, Bolt Trapped, Right Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-FSS-E-KF-2
Price:
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AIES-FSS-E-KT-1 – Standard, Exchange Key, Key Trapped, Bolt Trapped, Left Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-FSS-E-KT-1
Price:
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AIES-FSS-E-KT-2 – Standard, Exchange Key, Key Trapped, Bolt Trapped, Right Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-FSS-E-KT-2
Price:
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AIES-QS-D-KF-1 – Standard, Double Key, Key Free, Bolt Trapped, Left Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-QS-D-KF-1
Price:
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AIES-QS-D-KF-2 – Standard, Double Key, Key Free, Bolt Trapped, Right Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-QS-D-KF-2
Price:
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AIES-QS-D-KT-1 – Standard, Double Key, Key Trapped, Bolt Trapped, Left Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-QS-D-KT-1
Price:
£843.39
PDF:
AIES-QS-D-KT-2 – Standard, Double Key, Key Trapped, Bolt Trapped, Right Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-QS-D-KT-2
Price:
£843.39
PDF:
AIES-QS-E-KF-1 – Standard, Exchange Key, Key Free, Bolt Trapped, Left Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-QS-E-KF-1
Price:
PDF:
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AIES-QS-E-KF-2 – Standard, Exchange Key, Key Free, Bolt Trapped, Right Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-QS-E-KF-2
Price:
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AIES-QS-E-KT-1 – Standard, Exchange Key, Key Trapped, Bolt Trapped, Left Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-QS-E-KT-1
Price:
PDF:
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AIES-QS-E-KT-2 – Standard, Exchange Key, Key Trapped, Bolt Trapped, Right Hinged, Castell AIES Dual Key Interlock Safety Switch
Part Number:
AIES-QS-E-KT-2
Price:
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D-FSS-FR-MS-1 – Stainless Steel, Front Entry, Catch with Spring, FS Type, Castell D Panel Door Interlock
Part Number:
D-FSS-FR-MS-1
Price:
£744.49
PDF:
D-FSS-FR-MS-2 – Stainless Steel, Front Entry, Catch with Spring, FS Type, Castell D Panel Door Interlock
Part Number:
D-FSS-FR-MS-2
Price:
£744.49
PDF:
D-FSS-FR-MS-3 – Stainless Steel, Front Entry, Catch with Spring, FS Type, Castell D Panel Door Interlock
Part Number:
D-FSS-FR-MS-3
Price:
£744.49
PDF:
D-FSS-FR-MS-4 – Stainless Steel, Front Entry, Catch with Spring, FS Type, Castell D Panel Door Interlock
Part Number:
D-FSS-FR-MS-4
Price:
£744.49
PDF: