Power supply output: 3A/27.6VDC - for general purpose application. 1.41A/27.6VDC - GRADE 1 and 2. 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: 0.5A/1A. Battery: 2 x 7Ah / 2 x 17Ah. Current consumption by PSU systems: 14mA max. Dimensions: 335 x 385 x 173 [+/-2 mm], distance from floor: 14 mm. Protections: SCP, OLP, OVP, UVP, tamper – opening of enclosure. Technical outputs OC type: (1) EPS – AC power failure, (2) APS – battery failure. LED optical indication. Material: sheet metal DC01, 1mm, RAL9003 (white), metallic. IP20.