Phoenix Contact 1407666 The surface mounting housing B24 is designed with a double locking latch and is made from a high-quality polyamide 6.6 flame retardant material for added safety. The exterior features a protective cover made of polycarbonate to safeguard the internal components, while two lateral cable outlets are provided in a M40 configuration for reliable connectivity. With a standard height of 84mm and no cable gland required, this housing offers efficient and secure cable management options.