The J20 is a 20 way junction box with two terminals reserved for tamper protection. Tamper is provided by a sprung microswitch, which detects removal of the lid.
Terminals are all placed on a PCB with wire clamping terminal blocks for ease of installation. With the exception of the tamper, each terminal can be connected to its opposite terminal through a PCB shunt.
Dimensions are 90x65x26mm with a variety of knock-outs and back cable entry options for flexible installations.
Also available in brown – use part code J20B.
18+2 Terminal Junction Box