Datasheet

H12 WD Series
• Ratings from 25A to 125A @ 48-530 V AC
• SCR output for heavy industrial loads
• AC or DC control
• Zero-crossing (resistive loads) or random-fire (inductive loads) 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/µsec] (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 Surge Current (16.6ms) [Apk] 250 625 1000 1200 1750
Maximum On-State Voltage Drop @ Rated Current [Vpk] 1.6 1.6 1.6 1.6 1.7
Thermal Resistance Junction to Case (Rjc) [°C/W] 1.02 0.63 0.31 0.28 0.22
Maximum I
2
t for Fusing (8.3 msec) [A
2
sec]
260 1620 4150 6000 12700
Minimum Power Factor (with Maximum Load) 0.5 0.5 0.5 0.5 0.5