page 1 of 3 www.durakoolrelays.com sales department tel: (888) 847-6552 DG77a / b industrial bistable (latching) power relay contacts contact number & arrangement spst-no (1 normally open) contact material agsno 2 max. switching voltage 250vac / 30vdc min. switching current / voltage 500ma/12vdc max. continuous current 60a, 80a max. switching current 60a, 80a max. switching power 60a; 15000va / 1680w 80a: 20000va / 2240w initial resistance 100m?, max. at 0.1a/6vdc coil rated voltage 9...48vdc operating range of supply voltage see coil table 1 rated power consumption single coil 60a: 1.2w / 80a: 1.5w twin coil 60a: 2.4w / 80a: 3w insulation insulation resistance >1000m? at 500vdc, 50%rh dielectric strength coil to contact 4000vrms, 1min (50hz) between open contacts 1500vrms, 1min (50hz) creepage & clearance 8mm general data operating time (max.) ms 20 release time (max.) ms 20 electrical life ops 1 x 10 4 mechanical life ops 1 x 10 6 dimensions l x w x h 38.6 x 33 x 17mm (see drawings for detail) weight 45g ambient temperature storage -40 to 70c operating -40 to 70c (class f) shock resistance functional: 100m/s 2 11ms; destructive: 1000m/s 2 vibration resistance 10-55hz: da 1.5mm humidity 98%rh, 40c ? up to 80a /240vac continuous rating ? 30vdc maximum switching voltage ? single coil & twin coil latching ? manual test lever ? utility meters ? automotive / electric vehicle battery ref: DG77 090612jhm
ordering codes type contact material contact arrangement cover protec - tion and mounting coil code d g 7 7 - - - - contact rating a - 60a b - 80a contact material 30 - agsno 2 see table 1 contact arrangement 21 - spst-no (1 normally open) * 31 - spst-nc (1 normally closed)* * as delivered condition. cover protection category 7 - covered, dust cover terminations and mounting* 1 - pcb coil terminals + weld terminals for contacts straight power terminals 2 - pcb coil terminals + weld terminals for contacts bent power terminal * terminals are highly customizable. please contact factory. options nil - standard p*** - custom (*** = unique identifer) DG77a / b industrial bistable (latching) power relay ref: DG77 090612jhm coil data table 1 dc coil coil voltage code nominal voltage (vdc) coil resistance (?) 10% must operate voltage (vdc) operate pulse length single coil twin coil* single coil (1.5w) twin coil* (3w) sl09 tl09 9 54 27.0 + 27.0 6.75 50ms sl12 tl12 12 96 48.0 + 48.0 9 sl24 tl24 24 384 192 + 192 18 sl48 tl48 48 1536 768 + 768 36 * nb: latch & reset coils must not be powered simultaneously. page 2 of 3 www.durakoolrelays.com sales department tel: (888) 847-6552
bent power terminals DG77a / b industrial bistable (latching) power relay american electronic components inc., 1101 lafayette st. elkhart, in46516 page 3 of 3 www.durakoolrelays.com sales department tel: (888) 847-6552 all dimensions in mm specifcations are subject to change without notice. e&oe. ref: DG77 090612jhm overall dimensions fig. 1 notes: 1) all parameters, unless otherwise specifed, are measured at an ambient temperature of 23c. wiring diagrams fig. 2 straight power terminals pin3 pin1 pin2 coil coil pin 1 pin 3 pin 2 +ve release -ve operate +ve pin 1 pin 2 coil +ve release -ve -ve operate +ve pin1 pin2 twin coil single coil custom connection options: illustrative examples showing with optional shunt or without. fig. 3
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