Power supply: 200÷240VAC. Power supply output: 4A/27.6VDC. Compliant with standards: (1) Construction compliant with EN50131, GRADE 1 and 2. (2) Access control norm EN60839-11:2013, Grade 1 and 2. Battery charging current: 1A/2A. Battery: 2 x 7Ah / 2 x 17Ah / 2 x 24Ah / 2 x 40Ah. Efficiency: 89%. Dimensions: 460 x 390 x 173 [+/-2 mm], distance from floor: 14 mm. Protections: SCP, OLP, OVP, UVP, tamper – opening of enclosure. Technical outputs relay type: (1) EPS – AC power failure, (2) APS – battery failure. LED optical indication. Material: sheet metal DC01, 0.7mm, RAL9003 (white), metallic. IP20.