HA / HD48 Series
• Ra tin gs fro m 1 2A to 1 25 A @ 48 -5 3 0 V AC
• SCR out put f or heavy i ndust rial loads
• AC or DC co n tr o l
• Zero-crossing (resistive loads) or random-fire (inductive loads) output
PRODUCT SELECTION
Control Voltage 12A 25A 50A 75A 90A 110A 125A
3-32 VDC HD4812 HD4825 HD4850 HD4875 HD4890 HD48110 HD48125
90-280 Vrms HA4812 HA4825 HA4850 HA4875 HA4890 HA48110 HA48125
18-36 Vrms HA4812E HA4825E HA4850E HA4875E HA4890E HA48110E HA48125E
AVAILABLE OPTIONS
OUTPUT SPECIFICATIONS (1)
Description
Operating Voltage (47-63Hz) [Vrms] 48-530 48-530 48-530 48-530 48-530 48-530 48-530
Transient Overvoltage [Vpk] 1200 1200 1200 1200 1200 1200 1200
Maximum Off-State Leakage Current @ Rated Voltage [mArms] 10 10 10 10 10 10 10
Minimum Off-State dv/dt @ Maximum Rated Voltage [V/µsec] (2) 500 500 500 500 500 500 500
Maximum Load Current (3) [Arms] 12 25 50 75 90 110 125
Minimum Load Current [mArms] 40 40 40 40 40 150 150
Maximum Surge Current (16.6ms) [Apk] 140 250 625 1000 1200 1500 1750
Maximum On-State Voltage Drop @ Rated Current [Vpk] 1.7 1.7 1.7 1.7 1.7 1.7 1.7
Thermal Resistance Junction to Case (Rjc) [°C/W] 1.48 1.02 0.63 0.31 0.28 0.25 0.22
Maximum I2 t for Fusing (8.3 msec) [A2 sec] 81 260 1620 4150 6000 9340 12700
Minimum Power Factor (with Maximum Load) 0.5 0.5 0.5 0.5 0.5 0.5 0.5
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©2008 Crydom, Inc.
Specifications subject to change without notice.
INPUT SPECIFICATIONS (1)
Description D PREFIX A PREFIX E PREFIX
Control Voltage Range 3-32 VDC 90-280 Vrms 18-36 Vrms
Maximum Turn-On Voltage 3.0 VDC 90 Vrms 18 Vrms
Minimum Turn-Off Voltage 1.0 VDC 10 Vrms 4.0 Vrms
Maximum Reverse Voltage -32 VDC - -
Typical Input Current 2.0 mA (6) 2 mA @ 120 Vrms, 4mA @ 240 Vrms 3 mA @ 240 Vrms
Nominal Input Impedance See Note 6 60 K ohms 9.0 K ohms
Maximum Turn-On Time [msec] (5) 1/2 Cycle 10 10
Maximum Turn-Off Time [msec] 1/2 Cycle 40 40
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) 3.0 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. (Screws dry without grease)
Fastons: Single pair (up to 25A) Double pair* (50A model only) *Caution: User must connect to both pairs
GENERAL NO TES
1) All parameters at 25°C unless otherwise specified.
2) Off-State dv/dt test method per E IA/NARM standard RS-443, paragraph 13.11.1
3) Heat sinking required, for derating curves see page 2.
4) 24 VAC Input option, E suffix
5) Turn-on time for random tur n-on versions is 0.02 msec (DC control Models)
6) Input circuitry incorporates active current limiter.
For Contact inf ormation visit ou r web
site.
www.cryd om.com
©2008 Crydom, Inc.
Specifications subject to change without notice.
MECHANICAL SPECIFICATIONS
THERMAL DERATE INFORMATION
AGENCY APPROVALS
UL E116949
CSA LR81689
VDE 10143 UG
Re v. 06 30 0
8
For Contact inf ormation visit ou r web
site.
www.cryd om.com
©2008 Crydom, Inc.
Specifications subject to change without notice.
For Contact inf ormation visit ou r web
site.
www.cryd om.com
©2008 Crydom, Inc.
Specifications subject to change without notice.
ANNEX - ENVIROMENTAL INFORMATION
For Contact inf ormation visit ou r web
site.
www.cryd om.com
©2008 Crydom, Inc.
Specifications subject to change without notice.
