Monitored power supply unit. Mounted in a box and with a battery charger. With CPR and EN54-4 certificates. Overload protection. Fault relay output. Battery discharge protection. Operation temperature: -10ºC to 40ºC, Requires 2 batteries BS127N reference (Not included). Dimensions: 275 x 330 x 80mm. Amperage 1,2A+0,3A for battery charging.