MODEL NUMBERS
AC CONTROL
HA4812
HA4825
HA4850
HA4875
HA4890
D C CONTROL
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 I 2 t for Fusing, (8.3 msec.) [A 2sec]
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] ➁
500
500
500
500
500
Max. Turn-On Time ➄
1/2 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 SPECIFICATIONS➀
DC 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 Note ➅
60K Ohms
9.0K Ohms
Typical Input Current
2.0 mA ➅
2mA @ 120 Vrms, 4mA @ 240 Vrms
3mA @ 24 Vrms
GENERAL NOTES
➀ All parameters at 25˚C unless otherwise specified.
➁ Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1
➂ Heat sinking required, for derating curves see page 2.
➃ 24 Vac Input option, E suffix.
➄ Turn-on time for random turn-on versions
is 0.02 msec (DC Control Models).
➅ Input circuitry incorporates active current limiter.
• Zero Voltage and Random
Turn-On Switching
• Panel Mount
• 1200V Transient Capability
FastFax Document No. 158
SERIES HA/HD.
REV. 031802
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 9001
Certified facility for optimum product
performance and reliability.
Series HA, Series HD
12-90Amp • 480 Vac • AC Output
© 2002 CRYDOM CORP, Specifications subject to change without notice.
• Integrated Overvoltage
Protection by Automatic
Self Turn-On (Suffix P)
• 110 & 125A Models
Available
For recommended applications and more information contact:
USA: Sales Support (877) 502-5500 Tech Support (877) 702-7700 FAX (619) 710-8540
Crydom Corp, 2320 Paseo de las Americas, Ste. 201, San Diego, CA 92154
Email: sales@crydom.com WEB SITE: http://www.crydom.com
UK: +44 (0)1202 365070 • FAX +44 (0)1202 365090 Crydom International Ltd., 7 Cobham
Road, Ferndown Industrial Estate, Ferndown, Dorset BH21 7PE, Email: intsales@crydom.com.
GERMANY: +49 (0)180 3000 506
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