The EXP-PSU, EXP-W10 and EXP-WCC are designed and approved to be used as part of a Security Grade 2 or 3 system. All remote intelligent expanders, they are intended to be used in wired alarm systems with i-onEX and current Menvier ranges of control panels at the heart of the system. Benefiting from full diagnostics and fault reporting via the bus. Increased installation flexibility;with ten zones on board and suitable for a range of FSL values, two wire CC and four wire CC compatibility. Transistorised outputs provided as standard on EXP-W10 and EXP-WCC. Reduce maintenance times with the device locate feature using on board piezo sounders.