FMM-1 is a standard-sized module (typically mounts to a 4" [10.16 cm] square box) that supervises either a Class A (Style D) or Class B (Style B) circuit of dry-contact input devices.
Robust aluminium housing, IP66-compliance and fire-resistant cable: everything you need for a loudspeaker in harsh applications?! Adjust the angle with the included universal swivel bracket and enjoy