Buffer power supply system for PoE switches, SWB-300RACK is designed for uninterrupted power supply of PoE switches with 54 V DC. It was designed based on high energy efficiency switching power supply module placed in metal enclosure (color RAL 9003). Enclosure has a place for 4 pcs of 17 Ah / 12 V (SLA) battery and is equipped with a tamper switch signaling opening the door (front panel). Device is equipped with special system of mounting RACK switches with possibility of choosing 3 mounting heights and convenient way to remove devices. There are also special holders for fastening belts for devices without RACK mountings, you can also use the RAPDS adapter. Examples of Pulsar switch models: SF108WP, S116WP, S124WP, SF116WP, SF124WP. Power supply output: 54VDC/300W, power cable included - EDG 5.08-2P, DC 2.1 / 5.5 reduction included. Battery charging current: 0.5A/1A/2A. Battery: 4 x 7Ah / 4 x 17Ah. Dimensions 535 x 650 x 165 [+/-2 mm], distance from floor: 14 mm. Profile RACK 19: 3U / horizontal / H = 360 [+/-2 mm]. Protections: SCP, OLP, OVP, UVP, OHP, tamper – opening of enclosure. Indication: LED optical indication. Material: sheet metal DC01, 1.2mm, RAL9003 (white), metallic.