MODEL NUMBERS AC CONTROL HA4812 HA4825 HA4850 HA4875 HA4890
DC C ONTROL HD4812 HD4825 HD4850 HD4875 HD4890
OUTPUT SPECIFICATIONS ➀
Operating Voltage (47-63 Hz) [Vrms] 48-530 48-530 48-530 48-530 48-530
Max. Load Current ➂[Arms] 12 25 50 75 90
Min. Load Current, [mArms] 40 40 40 40 40
Transient Overvoltage [Vpk] 1200 1200 1200 1200 1200
Max. Surge Current, (16.6ms) [Apk] 140 250 625 1000 1200
Max. On-State Voltage Drop @ Rated Current [Vpk] 1.7 1.7 1.7 1.7 1.7
Thermal Resistance Junction to Case (RθJC) [˚C/W] 1.48 1.02 0.63 0.31 0.28
Maximum I2 t for Fusing, (8.3 msec.) [A2sec] 81 260 1620 4150 6000
Max. Off-State Leakage Current @ Rated Voltage [mArms] 10 10 10 10 10
Min. Off-State dv/dt @ Max. Rated Voltage [V/µsec]➁500 500 500 500 500
Max. Turn-On Time➄1/2 Cycle (DC Input), 10.0 msec (AC Input)
Max. Turn-Off Time 1/2 Cycle (DC Input), 40.0 msec (AC Input)
Power Factor (Min.) with Max. Load 0.5 0.5 0.5 0.5 0.5
INPUT SPECIFICATIONS ➀DC CONTROL AC CONTROL AC CONTROL
(D PREFIX) (A PREFIX)➃(E SUFFIX)
Control Voltage Range 3-32 Vdc 90-280 Vrms (60Hz) 18-36 Vrms
Max. Reverse Voltage -32 Vdc --- ---
Max. Turn-On Voltage 3.0 Vdc 90 Vrms 18 Vrms
Min. Turn-Off Voltage 1.0 Vdc 10 Vrms 4.0 Vrms
Nominal Input Impedance See Note➅60K Ohms 9.0K Ohms
Typical Input Current 2.0 mA➅2mA @ 120 Vrms, 4mA @ 240 Vrms 3mA @ 24 Vrms
GENERAL NOTES
➀All parameters at 25ºC unless otherwise specified.
➁Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1
➂Heat sinking required, for derating curves see page 2.
➃24 Vac Input option, E suffix.
➄Turn-on time for random turn-on versions
is 0.02 msec (DC Control Models).
➅Input circuitry incorporates active current limiter.
• Zero Voltage and Random
Turn-On Switching
• Panel Mount
• 1200V Blocking Capability
FastFax Document No. 158
SERIES HA/HD.032698, PAGE 1 OF 3
Featuring state-of-the-art Surface
Mount Technology, these SPST-NO
relays deliver proven reliability in the
most demanding applications.
Output consists of an SCR AC switch
and is available in zero-cross, random
turn-on (phase controllable) and ver-
sions with either AC or DC input (coil)
control.
Manufactured in Crydom’s ISO 9002
Certified facility for optimum product
performance and reliability.
Series HA, Series HD
12-90Amp • 480 Vac• AC Output
©1998 CRYDOM CORP, Specifications subject to change without notice.
For recommended applications and more information contact:
USA: (800) 8 CRYDOM • (800) 827-9366 • (619) 715-7200 • fax (619) 715-7280
Crydom Corp, 9525 Chesapeake Drive, San Diego, CA 92123 • e-mail: sales@crydom.com
WEB SITE: http://www.crydom.com FASTFAX Product Information: (888) 267-9191
UK: (44)1202 812300 • fax (44)1202 812340 Crydom International Ltd., 85, Condor Close,
Woolsbridge Industrial Estate, Three-Legged Cross. Wimborne, Dorset, England BH21 6SU
GERMANY: (49) (0)6874 182580 • fax (49)(0)6874 182585 Crydom GmbH,
Gewerbegebiet Im Schachen, D-66687 Nunkirchen, Germany • e-mail: vertrieb@crydom.com
AVAILABLE OPTIONS
E24 VAC Input (18-36 Vac)
Example: HA4825E
-10 Random Turn-On (AC & DC Control)
Phase Controllable (DC Control)
Example: HD4890-10
FFaston Terminals (Up to 50 Amp Models)
GENERAL SPECIFICATIONS
Dielectric Strength 50/60Hz Input/Output/Base 4000 Vrms
Insulation Resistance (Min.) @ 500 Vdc 109Ohm
Max. Capacitance Input/Output 8 pF
Ambient Operating Temperature Range -40 to 80ºC
Ambient Storage Temperature Range -40 to 125ºC
MECHANICAL SPECIFICATIONS
Weight: (typical) 3.0 oz. (86.5g)
Encapsulation: Thermally Conductive Epoxy
Terminals: Screws and Saddle Clamps Furnished, Unmounted
Crydom Heat Sinks offer excellent
thermal management and are per-
fectly matched to the load current
ratings of Crydom panel mount
relays. Request Crydom’s Heat Sink
specification sheet for all the details.
FastFax Document No. 158
SERIES HA/HD.032698, PAGE 2 OF 3
Series HA, Series HD
12-90Amp • 480 Vac• AC Output
©1998 CRYDOM CORP, Specifications subject to change without notice.
APPROVALS
UL E116949
CSA LR81689
VDE 10143 UG
Screw Torque Requirements:
6-32 Screws - 10 in./lbs.,
8-32 and 10-32 Screws - 20in./lbs.
(Screws dry without grease.)
Fastons:
Single pair (up to 25A)
Double pair* (up to 50A).
*Caution: User must connect to both pairs
1.87
(47.5)
.78
(19.8)
2.30
(58.4)
1.70
(43.2)
.90
(22.9)
.45
(11.4)
1.10
(27.9) 8-32 TERMINAL
(2 PLACES )
1.00
(25.4) 6-32 TERMINAL
(2 PLACES)
1.80
(45.7)
SOLID-STATE RELAY
12
OUTPUT
34 +-- INPUT
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
BASE PLATE
.125 (3.2)
.90
(22.9)
FASTON
TERMINAL
.187 X .032
(2 PLCS.)
BASE PLATE
.125 (3.2)
FASTON TERMINAL
.250 X .032 (2 PLCS.)
1.87
(47.5)
.78
(19.8)
2.30
(58.4)
1.70
(43.2)
.87 REF.
(22.2)
12
OUTPUT
43
INPUT
1.00
(25.4)
1.80
(45.7)
.45
(11.4)
1.10
(27.9)
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
All dimensions are in inches (millimeters)
For recommended applications and more information contact:
USA: (800) 8 CRYDOM • (800) 827-9366 • (619) 715-7200 • fax (619) 715-7280
Crydom Corp, 9525 Chesapeake Drive, San Diego, CA 92123 • e-mail: sales@crydom.com
WEB SITE: http://www.crydom.com FASTFAX Product Information: (888) 267-9191
UK: (44)1202 812300 • fax (44)1202 812340 Crydom International Ltd., 85, Condor Close,
Woolsbridge Industrial Estate, Three-Legged Cross. Wimborne, Dorset, England BH21 6SU
GERMANY: (49) (0)6874 182580 • fax (49)(0)6874 182585 Crydom GmbH,
Gewerbegebiet Im Schachen, D-66687 Nunkirchen, Germany • e-mail: vertrieb@crydom.com
12
8
4
02 4 8 126 20 40 60 80
Load Current [Arms] Max Ambient Temp. [ºC]
Power Dissipation
110
115
120
Base Plate Temp [ºC]
12A
9ºC/W 5ºC/W
3ºC/W
7ºC/W
NO HEATSINK
30
20
10
25
15
5
05 10 20 2515 20 40 60 80
Load Current [Arms] Max Ambient Temp. [ºC]
Power Dissipation
95
120
Base Plate Temp [ºC]
25A
1ºC/W 100
110
3ºC/W
NO HEATSINK
60
40
20
010 20 40 5030 20 40 60 80
Load Current [Arms] Max Ambient Temp. [ºC]
Power Dissipation
90
Base Plate Temp [ºC]
50A
2ºC/W
1ºC/W .5ºC/W
100
110
120
1.5ºC/W
NO HEATSINK
120
80
40
015 30 60 7545 20 40 60 80
Load Current [Arms] Max Ambient Temp. [ºC]
Power Dissipation
100
110
120
Base Plate Temp [ºC]
75A
.5ºC/W 95
1ºC/W
120
80
40
020 40 80 060 20 40 60 80
Load Current [Arms] Max Ambient Temp. [ºC]
Power Dissipation
100
110
120
Base Plate Temp [ºC]
90A
1ºC/W
.4ºC/W
.2ºC/W
90
.5ºC/W
2ºC/W
.3ºC/W
2
6
10
14
010
CURRENT DERATING CURVES
FastFax Document No. 158
SERIES HA/HD.032698, PAGE 3 OF 3
Series HA, Series HD
12-90Amp • 480 Vac• AC Output
©1998 CRYDOM CORP, Specifications subject to change without notice.
For recommended applications and more information contact:
USA: (800) 8 CRYDOM • (800) 827-9366 • (619) 715-7200 • fax (619) 715-7280
Crydom Corp, 9525 Chesapeake Drive, San Diego, CA 92123 • e-mail: sales@crydom.com
WEB SITE: http://www.crydom.com FASTFAX Product Information: (888) 267-9191
UK: (44)1202 812300 • fax (44)1202 812340 Crydom International Ltd., 85, Condor Close,
Woolsbridge Industrial Estate, Three-Legged Cross. Wimborne, Dorset, England BH21 6SU
GERMANY: (49) (0)6874 182580 • fax (49)(0)6874 182585 Crydom GmbH,
Gewerbegebiet Im Schachen, D-66687 Nunkirchen, Germany • e-mail: vertrieb@crydom.com
