Series HA, Series HD
12-90Amp • 480 Vac• AC Output
Featuring state-of-the-art Surface
• Zero Voltage and Random
Turn-On Sw itching
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.
• Panel Mount
• 1200V Blocking Capability
Manufactured in Crydom’s ISO 9002
Certified facility for optimum product
performance and reliability.
AC CONTROL
DC CONTROL
HA4812
HD4812
HA4825
HD4825
HA4850
HD4850
HA4875
HD4875
HA4890
HD4890
M O DEL NUM BERS
➀
OUTPUT SPECIFICATIONS
Operating Voltage (47-63 Hz) [Vrms]
Max. Load Current ➂ [Arms]
Min. Load Current, [mArms]
48-530
12
48-530
25
48-530
50
48-530
75
48-530
90
40
40
40
40
40
Transient Overvoltage [Vpk]
1200
140
1.7
1200
250
1.7
1200
625
1.7
1200
1000
1.7
1200
1200
1.7
Max. Surge Current, (16.6ms) [Apk]
Max. On-State Voltage Drop @ Rated Current [Vpk]
Thermal Resistance Junction to Case (R ) [˚C/W]
1.48
81
1.02
260
10
0.63
1620
10
0.31
4150
10
0.28
6000
10
θJC
2
2
Maximum I t for Fusing, (8.3 msec.) [A sec]
Max. Off-State Leakage Current @ Rated Voltage [mArms]
Min. Off-State dv/dt @ Max. Rated Voltage [V/µsec]➁
Max. Turn-On Time ➄
10
500
500
500
500
500
1/2 Cycle (DC Input), 10.0 msec (AC Input)
1/2 Cycle (DC Input), 40.0 msec (AC Input)
Max. Turn-Off Time
Power Factor (Min.) with Max. Load
0.5
0.5
0.5
0.5
0.5
INPUT SPECIFICATIONS ➀
DC CONTROL
AC CONTROL
AC CONTROL
( D P R E F I X )
( A P R E F I X ) ➃
( E S U F F I X )
Control Voltage Range
Max. Reverse Voltage
Max. Turn-On Voltage
Min. Turn-Off Voltage
Nominal Input Impedance
Typical Input Current
3-32 Vdc
90-280 Vrms (60Hz)
18-36 Vrms
---
-32 Vdc
3.0 Vdc
---
90 Vrms
18 Vrms
1.0 Vdc
10 Vrms
4.0 Vrms
See Note ➅
2.0 mA➅
60K Ohms
9.0K Ohms
3mA @ 24 Vrms
2mA @ 120 Vrms, 4mA @ 240 Vrms
©1998 CRYDOM CORP, Specifications subject to change without notice.
G E N E R A L N O T E S
➀ All parameters at 25ºC 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
For recommended applications and more information contact:
USA: (800) 8 CRYDOM • (800) 827-9366 • (619) 715-7200 • fax (619) 715-7280
is 0.02 msec (DC Control Models).
➅ Input circuitry incorporates active current limiter.
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,
FastFax Document No. 158
SERIES HA/HD.032698, PAGE 1 OF 3
Gewerbegebiet Im Schachen, D-66687 Nunkirchen, Germany • e-mail: vertrieb@crydom.com