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.


X-QB-H-1/2 – Brass, 1 Key Free, 2 Keys Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-1/2
Price:
£494.31
PDF:
X-QB-H-1/3 – Brass, 1 Key Free, 3 Keys Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-1/3
Price:
£794.01
PDF:
X-QB-H-1/4 – Brass, 1 Key Free, 4 Keys Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-1/4
Price:
£951.27
PDF:
X-QB-H-1/5 – Brass, 1 Key Free, 5 Keys Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-1/5
Price:
£1,166.87
PDF:
X-QB-H-2/1 – Brass, 2 Keys Free, 1 Key Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-2/1
Price:
£500.50
PDF:
X-QB-H-2/2 – Brass, 2 Keys Free, 2 Keys Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-2/2
Price:
£801.73
PDF:
X-QB-H-2/3 – Brass, 2 Keys Free, 3 Keys Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-2/3
Price:
£958.99
PDF:
X-QB-H-2/4 – Brass, 2 Keys Free, 4 Keys Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-2/4
Price:
£1,175.00
PDF:
X-QB-H-2/5 – Brass, 2 Keys Free, 5 Keys Trapped, Horizontal, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-H-2/5
Price:
£1,258.06
PDF:
X-QB-V-1/3 – Brass, 1 Key Free, 3 Keys Trapped, Vertical, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-V-1/3
Price:
£786.28
PDF:
X-QB-V-1/4 – Brass, 1 Key Free, 4 Keys Trapped, Vertical, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-V-1/4
Price:
£943.54
PDF:
X-QB-V-1/5 – Brass, 1 Key Free, 5 Keys Trapped, Vertical, Q Type, Castell X Key Exchange Box
Part Number:
X-QB-V-1/5
Price:
£1,158.74
PDF: