protection relays & controls ? 2013 littelfuse protection relays & controls installation diagram description the d0100/D0900 arc-flash relays provide a simple and cost- effective solution for arc-flash monitoring. two light sensors can be connected directly to one relay, or optional junction boxes allow up to 16 sensors per relay. light sensors react to light and are available with 180o or 360o detection area. sensors are supplied with 5, 10 or 15 m of cable and a mounting bracket. 1-2 sensors are recommended per cubicle or drawer. specifcations vol tage supply d0100.0010: 48-220 vdc d0100.0020: 24 vdc D0900.0010 : 220-250 vac D0900.0020 : 220-250 vac D0900.0030 : 110 vac thyristor output 250 vac/vdc, 8 a cont., 25 a. for 0.1s, min. load 50 ma sensitivity adjustable 2,000-24,000 lux number of sensors max. 16 pcs. with 2 junction boxes response time less than 1 ms power consumption d0100 : 4.3 w; D0900: 3.5 w ambient temperature C25c to + 70c emc en50081-1/2 and en50082-1/2 dimensions h 90 mm (3.5); w 105 mm (4.1); d 75 mm (3.0) ordering number control power d0100.0010 48-220 vdc d0100.0020 24 vdc D0900.0010 220-250 vac ordering information features benefits compact module fits into wide range of arc-flash applications trip time <1 ms limits arc-flash damage and risk of injury two optical sensor types point sensors with 180 or 360 detection area depending on specifc installation dual sensor input single arc-flash relay can monitor 2 sensors or junction boxes sensor expansion option junction box allows for up to 16 sensors per arc-flash relay (8 sensors/box) adjustable light sensitivity allows for operation in bright environments and maximum sensitivity in dark environments service mode allows for system test without tripping features & benefts accessories requirement a0033.0010 detector cable 2 x 0.25 mm w/screen. 100 m optional a0200.0010 light sensor 180?; 5 m cable required: at least 1 sensor per cubicle or drawer a0200.0020 light sensor 180?; 10 m cable a0200.0030 light sensor 180?; 15 m cable a0300.0010 light sensor 360?; 5 m cable a0300.0020 light sensor 360?; 10 m cable a0300.0030 light sensor 360?; 15 m cable d0400.0010 junction box. for 8 sensors, without indication optional d0500.0010 junction box. for 8 sensors, with indication optional d1100.0010 diode logic unit optional littelfuse.com/D0900 d0100 series & D0900 series arc-flash relay a0200 (180?)/a0300 (360?) light sensors line-of-sight light sensor detects an arc as small as 3 ka within a 2-m half-sphere. available in 180? or 360?; 5, 10, or 15 m cable. d0400/d0500 junct ion box for pa rallel connection of more than 2 sensors for one relay. designed to connect up to 8 sensors, and is available with and without indication. max. 2 junction boxes can be connected to one arc-flash rela y. accessories a place sensors in direct line of sight to possible arc faults, preferably pointing down from the ceiling. rev: 4-a-050213 arc-flash monitoring
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