GENERAL SPECIFICATIONS
Dielectric Strength 50/60Hz Input/Output/Base
4000 Vrms
Insulation Resistance (Min.) @ 500 Vdc
109 Ohm
Max. Capacitance Input/Output
8 pF
Ambient Operating Temperature Range
-40 to 80˚C
Ambient Storage Temperature Range
-40 to 125˚C
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 H12WD.
REV. 031802
PAGE 2 OF 3
Series H12WD
25-125Amp • 480 Vac • AC Output
© 2002 CRYDOM CORP, Specifications subject to change without notice.
Available Options
F
Faston Terminals.
(Up to 50 Amp Models)
Example: H12WD4850F
-10
Random Turn-On.
Example: H12WD4850-10
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.
12
4
3
--
+
Internal Overvoltage Protection.
Relay Will Self Trigger Between
900-1200Vpk. Not Suitable For
Capacitive Loads.
Agencies Approval Pending.
Example: H12WD4850P
P
G
Input Status LED.
Agencies Approval Pending
Example: H12WD4850G
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
12
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:
H12WD4850FPG-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
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