h12wd series ? ratings from 25a to 125a @ 48-660 v ac ? scr outpu t for heavy i ndustrial loa ds ? dc control ? zero-crossing (resist ive loads) or random-fire (inductive loa ds) output product selection control voltage 25a 50a 75a 90a 125a (6) 4-32 vdc h12wd4825 h12wd4850 h12wd4875 h12wd4890 h12wd48125(6) available options output specifications (1) description 25a 50a 75a 90a 125a (6) operating voltage (47-63hz) [vrms] 48-660 48-660 48-660 48-660 48-660 transient overvoltage [vpk] 1200 1200 1200 1200 1200 maximum off-state leakage current @ rated voltage [marms] 1.0 1.0 1.0 1.0 1.0 minimum off-state dv/dt @ maximum rated voltage [v/sec] (2) 500 500 500 500 500 maximum load current (3) [arms] 25 50 75 90 125 minimum load current [marms] 150 150 150 150 150 maximum 1 cycle surge current (50/60hz) [apk] 239/250 597/625 954/1000 1145/1200 1670/1750 maximum on-state voltage drop @ rated current [vpk] 1.6 1.6 1.6 1.6 1.7 thermal resistance juncti on to case (rjc) [c/w] 1.02 0.63 0.31 0.28 0.22 maximum 1/2 cycle i2 t for fusing (50/60hz) [a2 sec] 285/259 1779/1621 4555/4150 6560/5976 13950/12709 minimum power factor (with maximum load) 0.5 0.5 0.5 0.5 0.5 generation 3 for 4th generation datasheet click here
input specifications (1) description dc control control voltage range 4-32 vdc maximum turn-on voltage 4.0 vdc minimum turn-off voltage 1 .0 vdc typical input current 15 madc (5) nominal input impedance see note 5 maximum turn-on time [msec] (4) 1/2 cycle maximum turn-off time [msec] 1/2 cycle general specifications description parameters dielectric strength, input/output/base (50/60hz) 4000 vrms minimum insulation resistance (@ 500 v dc) 10 9 ohm maximum capacitance, input/output 8 pf ambient operating temperature range -40 to 80 c ambient storage temperature range -40 to 125 c weight (typical) 3 oz (86.5 g) encapsulation thermally conductive epoxy terminals screw and saddle clamps furnished, unmounted recommended terminal screw torque range: 6-32 screws - 10 in/lbs. 8-32 & 10-32 screws - 20 in. lbs. fastons: single pair (up to 25a) double pair* (50a model onl y) caution: user must connect to both pairs general notes 1) all parameters at 25c and per section unless otherwise specified. 2) off-state dv/dt test method per eia/narm standard rs-443, paragraph 13.11.1 3) heat sinking required, for derating curves see page 2. 4) turn-on time for dc control random turn-on versions is 0.02 msec 5) input circuitry version incorporates active current limiter. 6) ce compliant only. generation 3
mechanical specifications thermal derate information agency approvals designed in accordance with the requirements of iec 62314 e116949 (25, 50, 75 and 90a) e116950 (25 and 125a) lr81689 10143 ug rev. 120811 generation 3
generation 3
annex - enviromental information generation 3
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