Series H12WD
25-125Amp • 480 Vac • AC Output
•
1200 Volt Blocking
•
Panel Mount
•
Up to 660 Vac
•
Zero Voltage and Random
Turn-On
• SCR Output
• Integrated Overvoltage
Protection by Automatic
Self Turn-On (Suffix P)
MODEL NUMBERS
H12WD4825
48-660
25
150
1200
250
1.6
1.02
260
1.0
500
1/2 Cycle
1/2 Cycle
0.5
H12WD4850
48-660
50
150
1200
625
1.6
.63
1620
1.0
500
1/2 Cycle
1/2 Cycle
0.5
High voltage relays use IC driven cir-
cuits for switching loads up to 660
VAC. All models come with 1200
Volts blocking.
Type H12WD is a snubberless
(reduced leakage current).
Manufactured in Crydom’s ISO 9001
Certified facility for optimum product
performance and reliability.
H12WD4875 H12WD4890
48-660
75
150
1200
1000
1.6
.31
4150
1.0
500
1/2 Cycle
1/2 Cycle
0.5
48-660
90
150
1200
1200
1.6
.28
6000
1.0
500
1/2 Cycle
1/2 Cycle
0.5
H12WD48125
48-660
125
150
1200
1750
1.7
.22
12700
1.0
500
1/2 Cycle
1/2 Cycle
0.5
➅
OUTPUT SPECIFICATIONS
➀
Operating Voltage (47-63 Hz) [Vrms]
Max. Load Current
➂
[Arms]
Min. Load Current, [mArms]
Transient Overvoltage [Vpk]
Max. Surge Current, (16.6ms) [Apk]
Max. On-State Voltage Drop @ Rated Current [Vpk]
Thermal Resistance Junction to Case (R
θJC
[˚C/W]
)
Maximum I 2 t for Fusing, (8.3 msec.) [A 2sec]
Max. Off-State Leakage Current @ Rated Voltage [mArms]
Min. Off-State dv/dt @ Max. Rated Voltage [V/µsec]
➁
Max. Turn-On Time
➃
Max. Turn-Off Time
Power Factor (Min.) with Max. Load
INPUT SPECIFICATIONS
➀
Control Voltage Range
Max. Turn-On Voltage
Min. Turn-Off Voltage
Nominal Input Impedance
Typical Input Current
4-32 Vdc
4.0 Vdc
1.0 Vdc
See Note 5
15 mA @ 5 Vdc
➄
© 2002 CRYDOM CORP, Specifications subject to change without notice.
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
Turn-on time for DC control random turn-on versions is 0.02 msec.
➄
Input circuitry incorporates active current limiter.
Compliant only.
➅
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
SERIES H12WD.
REV. 031802
PAGE 1 OF 3
Series H12WD
25-125Amp • 480 Vac • AC Output
GENERAL SPECIFICATIONS
Dielectric Strength 50/60Hz Input/Output/Base
Insulation Resistance (Min.) @ 500 Vdc
Max. Capacitance Input/Output
Ambient Operating Temperature Range
Ambient Storage Temperature Range
MECHANICAL SPECIFICATIONS
Weight: (typical)
Encapsulation:
Terminals:
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.
4000 Vrms
10
9
Ohm
8 pF
-40 to 80˚C
-40 to 125˚C
3.0 oz. (86.5g)
Thermally Conductive Epoxy
Screws and Saddle Clamps Furnished, Unmounted
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
1.10
(27.9)
.45
(11.4)
8-32 TERMINAL
(2 PLACES )
1
1.87
(47.5)
OUTPUT
2
SOLID-STATE RELAY
--
+
INPUT
2.30
(58.4)
1.70
(43.2)
Available Options
F
Faston Terminals.
(Up to 50 Amp Models)
Example:
H12WD4850F
4
3
BASE PLATE
.125 (3.2)
G
Input Status LED.
Agencies Approval Pending
Example:
H12WD4850G
Note:
Control Voltage Range 5.5-32 Vdc
Internal Overvoltage Protection.
Relay Will Self Trigger Between
900-1200Vpk. Not Suitable For
Capacitive Loads.
Agencies Approval Pending.
Example:
H12WD4850P
Random Turn-On.
Example:
H12WD4850-10
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
1.00
(25.4)
1.80
(45.7)
6-32 TERMINAL
(2 PLACES)
.78
(19.8)
.90
(22.9)
P
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
1.10
(27.9)
.45
(11.4)
FASTON TERMINAL
.250 X .032 (2 PLCS.)
.87 REF.
(22.2)
-10
1
OUTPUT
2
Ordering System:
Combination of the
suffixes should be made in the following order:
FPG-10.
Example:
H12WD4850FPG-10
1.87
(47.5)
2.30
(58.4)
1.70
(43.2)
4
--
INPUT
3
+
BASE PLATE
.125 (3.2)
1.00
(25.4)
1.80
(45.7)
FASTON
TERMINAL
.187 X .032
(2 PLCS.)
.78
(19.8)
.90
(22.9)
All dimensions are in inches (millimeters)
© 2002 CRYDOM CORP, Specifications subject to change without notice.
APPROVALS
UL
E116949
CSA LR81689
VDE 10143 UG
SERIES H12WD.
REV. 031802
PAGE 2 OF 3
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
Series H12WD
25-125Amp • 480 Vac • AC Output
CURRENT DERATING CURVES
25A
30
1˚C/W
50A
95
Base Plate Temp [˚C]
60
1˚C/W
.5˚C/W
90
Base Plate Temp [˚C]
Base Plate Temp [˚C]
25
Power Dissipation
3˚C/W
2˚C/W
100
1.5˚C/W
20
15
10
NO HEATSINK
Power Dissipation
40
2˚C/W
100
110
20
NO HEATSINK
110
5
0
5
10
15
20
25
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [˚C]
120
0
10
20
30
40
50
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [˚C]
120
75A
120
Base Plate Temp [˚C]
90A
120
.5˚C/W
.2˚C/W
.4˚C/W
90
95
Power Dissipation
.5˚C/W
.3˚C/W
80
1˚C/W
100
Power Dissipation
80
1˚C/W
100
110
40
120
0
15
30
45
60
75
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [˚C]
110
40
120
0
20
40
60
80
0
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [˚C]
125A
160
120
80
1˚C/W
.2˚C/W
.4˚C/W
90
Base Plate Temp [˚C]
Power Dissipation
.5˚C/W
100
110
40
120
0
30
60
90 120
0
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [˚C]
© 2002 CRYDOM CORP, Specifications subject to change without notice.
SERIES H12WD.
Rev. 031802
PAGE 3 OF 3
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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