M O D E L N U M B E R S
H12D4825 H12D4850
H12D4875 H12D4890
OUTPUT SPECIFICATIONS
Operating Voltage (47-63 Hz) [Vrms]
48-530
48-530
48-530
48-530
Max. Load Current
[Arms]
25
50
75
90
Min. Load Current, [mArms]
150
150
150
150
Transient Overvoltage [Vpk]
1200
1200
1200
1200
Max. Surge Current, (16.6ms) [Apk]
250
625
1000
1200
Max. On-State Voltage Drop @ Rated Current [Vpk]
1.6
1.6
1.6
1.6
Thermal Resistance Junction to Case (R JC) [C/W]
1.02
.63
.31
.28
Maximum I 2 t for Fusing, (8.3 msec.) [A 2sec]
260
1620
4150
6000
Max. Off-State Leakage Current @ Rated Voltage [mArms]
10
10
10
10
Min. Off-State dv/dt @ Max. Rated Voltage [V/sec]
500
500
500
500
Max. Turn-On Time
1/2 Cycle
Max. Turn-Off Time
1/2 Cycle
Power Factor (Min.) with Max. Load
0.5
0.5
0.5
0.5
INPUT SPECIFICATIONS
Control Voltage Range
4-32Vdc
Max. Turn-On Voltage
4.0 Vdc
Min. Turn-Off Voltage
1.0 Vdc
Nominal Input Impedance
See Note 5
Typical Input Current
15 mA @ 5 Vdc
GENERAL NOTES
All parameters at 25 C unless otherwise specified.
Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1
Heat sinking required, for derating curves see page 2.
Turn-on time for DC control random turn-on versions is 0.02 msec.
Input circuitry incorporates active current limiter.
1200 Volt Blocking
Panel Mount
Up to 530 Vac
Zero Voltage and Random
Turn-On
SCR Output
FastFax Document No.157
SERIES H12D.
REV. 031802
PAGE 1 OF 3
High voltage relays use IC driven cir-
cuits for switching loads up to 660
VAC. All models come with 1200
Volts blocking and are available with
either AC or DC input (coil) control.
Manufactured in Crydom's ISO 9001
Certified facility for optimum product
performance and reliability.
Series H12D
25-90Amp 480 Vac AC Output
2002 CRYDOM CORP, Specifications subject to change without notice.
Integrated Overvoltage
Protection by Automatic
Self Turn-On (Suffix P)
1/2 Cycle
1/2 Cycle
1/2 Cycle
1/2 Cycle
1/2 Cycle
1/2 Cycle
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
GENERAL SPECIFICATIONS
Dielectric Strength 50/60Hz Input/Output/Base
4000 Vrms
Insulation Resistance (Min.) @ 500 Vdc
10
9
Ohm
Max. Capacitance Input/Output
8 pF
Ambient Operating Temperature Range
-40 to 80C
Ambient Storage Temperature Range
-40 to 125C
MECHANICAL SPECIFICATIONS
Weight: (typical)
3.0 oz. (86.5g)
Encapsulation:
Thermally Conductive Epoxy
Terminals:
Screws and Saddle Clamps Furnished, Unmounted
APPROVALS
UL
E116949
CSA LR81689
VDE 10143 UG
Crydom Heat Sinks offer excellent ther-
mal management and are perfectly
matched to the load current ratings of
Crydom panel mount relays. Request
Crydom's Heat Sink specification sheet
for all the details.
SERIES H12D.
REV. 031802
PAGE 2 OF 3
Series H12D
25-90Amp 480 Vac AC Output
2002 CRYDOM CORP, Specifications subject to change without notice.
Available Options
F
Faston Terminals.
(Up to 50 Amp Models)
Example: H12D4850F
-10
Random Turn-On.
Example: H12D4850-10
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
All dimensions are in inches (millimeters)
.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)
OUTPUT
INPUT
1.00
(25.4)
1.80
(45.7)
.45
(11.4)
1.10
(27.9)
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
1
2
4
3
--
+
Internal Overvoltage Protection.
Relay Will Self Trigger Between
900-1200Vpk. Not Suitable For
Capacitive Loads.
Agencies Approval Pending.
Example: H12D4850P
P
G
Input Status LED.
Agencies Approval Pending
Example: H12D4850G
Note: Control Voltage Range 5.5-32 Vdc
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
1
2
OUTPUT
3
4
+
--
INPUT
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
BASE PLATE
.125 (3.2)
Ordering System: Combination of the
suffixes should be made in the following order:
FPG-10.
Example:
H12D4850FPG-10
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
FastFax Document No.157
30
20
10
25
15
5
0
5
10
20
25
15
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [C]
Power Dissipation
95
120
Base Plate Temp [
C]
25A
1C/W
100
110
3C/W
NO HEATSINK
60
40
20
0
10
20
40
50
30
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [C]
Power Dissipation
90
Base Plate Temp [
C]
50A
2C/W
1C/W
.5C/W
100
110
120
1.5C/W
NO HEATSINK
120
80
40
0
20
40
80
0
60
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [C]
Power Dissipation
100
110
120
Base Plate Temp [
C]
90A
1C/W
.4C/W
.2C/W
90
.5C/W
2C/W
120
80
40
0
15
30
60
75
45
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [C]
Power Dissipation
100
110
120
Base Plate Temp [
C]
75A
.5C/W
95
1C/W
.3C/W
CURRENT DERATING CURVES
SERIES H12D.
REV. 031802
PAGE 3 OF 3
Series H12D
25-90Amp 480 Vac AC Output
2002 CRYDOM CORP, Specifications subject to change without notice.
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
FastFax Document No.157
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