H12WD Series

• Ratings from 25A to 125A @ 48-660 V AC

• SCR output for heavy industrial loads

• 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 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 Junction 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