The CHQ-BACKBOX is designed for installations where the CHQ Range of Modules - CHQ-DIM(SCI), CHQ-SZM(SCI), CHQ-DZM(SCI), CHQ-DSC(SCI), CHQ-MRC(SCI), CHQ-DRC(SCI) and CHQ-PCM - require mounting within a glanded enclosure.

The unit features ten knock-outs suitable for cable glands (not supplied) and accepts the CHQ Modules directly as a lid.