H12 Series
Ratings from 25A to 125A @ 48-530 V AC
SCR output f or heavy industrial loads
DC con trol
Zero-crossing (resistive loads) or random-fire (inductive loads) output
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UL/CSA/VDE Approved, CE Compliant to EN60950-1
PRODUCT SELECTION
Control Voltage 25A 50A 75A 90A 125A (6)
4-32 VDC H12D4825 H12D4850 H12D4875 H12D4890 H12D48125
AVAILABLE OPTIONS
OUTPUT SPECIFICATIONS (1)
Description 25A 50A 75A 90A 125A (6)
Operating Voltage (47-63Hz) [Vrms] 48-530 48-530 48-530 48-530 48-530
Transient Overvoltage [Vpk] 1200 1200 1200 1200 1200
Maximum Off-State Leakage Current @ Rated Voltage [mArms] 10 10 10 10 10
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
INPUT SPECIFICATIONS (1)
Description DC Control
Control Voltage Range 4-32 VDC
Maximum Turn-On Voltage 4.0 VDC
Minimum T urn -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) 109 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 Ther ma lly 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 only) Caution: User must connect to both pairs
GENERAL NOTES
1) All paramet ers at 25°C and per section unless other wis e specif i ed.
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.
WIRING DIAGRAM
MECHANICAL SPECIFICATIONS
THERMAL DERATE INFORMATION
AGENCY APPROVALS
EN60950 : Meets the requirements of sections1.5: 1,7: 2.9: 2.10.5.3: 4.2: 4.5: 4.7:
Designed in accordance with the requirements of IEC 62314
E116949 (25, 50, 75 and 90A) E116950 (25 and 125A)
LR81689 10143 UG
Rev. 120211
ANNEX - ENVIROMENTAL INFORMATION
