H12CA4850-F [ETC]
;
ETC 
Series H12
25-90Amp • 480 Vac • AC Output
High voltage relays use IC driven cir-
• 1200 Volt Blocking
• Panel Mount
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.
Types H12CA, H12CD and H12WD are
snubberless (reduced leakage current).
• Up to 660 Vac
• Zero Voltage Sw itching
and Random Turn-On
Manufactured in Crydom’s ISO 9002
Certified facility for optimum product
performance and reliability.
• SCR Output
M O DEL NUM BERS DC CONTROL H12CD4850 H12CD4890
H12D4825 H12D4850 H12D4875 H12D4890
H12WD4850 H12WD4890
AC CONTROL H12CA4850 H12CA4890
➀
OUTPUT SPECIFICATIONS
Operating Voltage (47-63 Hz) [Vrms]
Max. Load Current ➂ [Arms]
48-660
50
48-660
90
48-530
25
48-530
50
48-530
75
48-530
90
Min. Load Current, [mArms]
150
1200
625
1.6
150
150
1200
250
1.6
150
1200
625
1.6
150
1200
1000
1.6
150
1200
1200
1.6
Transient Overvoltage [Vpk]
1200
1200
1.6
Max. Surge Current, (16.6ms) [Apk]
Max. On-State Voltage Drop @ Rated Current [Vpk]
Thermal Resistance Junction to Case (R ) [˚C/W]
.63
.28
1.02
260
10
.63
.31
.28
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 ➃
1620
1.0
6000
1.0
1620
10
4150
10
6000
10
500
500
500
500
500
500
1/2 Cycle (DC Control), 10.0 msec (AC Control)
1/2 Cycle (DC Control), 40.0 msec (AC Control)
Max. Turn-Off Time
Power Factor (Min.) with Max. Load
0.5
0.5
0.5
0.5
0.5
0.5
INPUT SPECIFICATIONS ➀
DC CONTROL
AC CONTROL
(H12CD PREFIX)
(H12WD & H12D PREFIX)
(H12CA PREFIX)
Control Voltage Range
Max. Turn-On Voltage
Min. Turn-Off Voltage
Nominal Input Impedance
Typical Input Current
4-8 Vdc
4-32Vdc
90-140 Vrms (60Hz)
90 Vrms
4.0 Vdc
1.0 Vdc
4.0 Vdc
1.0 Vdc
10.0 Vrms
220 Ohms
15 mA @ 5 Vdc
See Note 5
8K Ohms
15 mA @ 5 Vdc
➄
15 mA @ 120 Vrms
©1998 CRYDOM CORP, Specifications subject to change without notice.
GENERAL NOTES
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.
➃Turn-on time for DC control random turn-on versions is 0.02 msec.
➄Input circuitry incorporates active current limiter.
For recommended applications and more information contact:
USA: (800) 8 CRYDOM • (800) 827-9366 • (619) 715-7200 • fax (619) 715-7280
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.157
SERIES H12.081898, PAGE 1 OF 3
Gewerbegebiet Im Schachen, D-66687 Nunkirchen, Germany • e-mail: vertrieb@crydom.com
Series H12
25-90Amp • 480 Vac • AC Output
GENERAL SPECIFICATIONS
Dielectric Strength 50/60Hz Input/Output/Base
Insulation Resistance (Min.) @ 500 Vdc
Max. Capacitance Input/Output
4000 Vrms
109 Ohm
8 pF
Ambient Operating Temperature Range
Ambient Storage Temperature Range
-40 to 80ºC
-40 to 125ºC
MECHANICAL SPECIFICATIONS
Weight: (typical)
3.0 oz. (86.5g)
Encapsulation:
Terminals:
Thermally Conductive Epoxy
Screws and Saddle Clamps Furnished, Unmounted
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.
1.10
(27.9)
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
8-32 TERMINAL
(2 PLACES )
.45
(11.4)
OUTPUT
2.30
1
2
(58.4)
1.87
(47.5)
SOLID-STATE RELAY
1.70
(43.2)
--
+
4
3
INPUT
Available Options
F
Faston Terminals
(Up to 50 Amp Models)
Random Turn-On
Example: H12WD4850-10
1.00
.78
BASE PLATE
.125 (3.2)
(25.4)
6-32 TERMINAL
(2 PLACES)
(19.8)
-10
.90
(22.9)
1.80
(45.7)
1.10
(27.9)
FASTON TERMINAL
.250 X .032 (2 PLCS.)
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
.87 REF.
(22.2)
.45
(11.4)
Screw Torque Requirements:
6-32 Screws - 10 in./lbs.,
8-32 and 10-32 Screws - 20in./lbs.
(Screws dry without grease.)
1
2
OUTPUT
2.30
(58.4)
Fastons:
1.87
(47.5)
1.70
Single pair (up to 25A)
Double pair* (up to 50A).
*Caution: User must connect to both pairs
(43.2)
INPUT
4
3
.78
1.00
BASE PLATE
.125 (3.2)
FASTON
(19.8)
(25.4)
TERMINAL
.187 X .032
(2 PLCS.)
.90
(22.9)
1.80
(45.7)
All dimensions are in inches (millimeters)
©1998 CRYDOM CORP, Specifications subject to change without notice.
For recommended applications and more information contact:
APPROVALS
USA: (800) 8 CRYDOM • (800) 827-9366 • (619) 715-7200 • fax (619) 715-7280
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,
UL E116949
CSA LR81689
VDE 10143 UG
FastFax Document No.157
SERIES H12.081898, PAGE 2 OF 3
Gewerbegebiet Im Schachen, D-66687 Nunkirchen, Germany • e-mail: vertrieb@crydom.com
Series H12
25-90Amp • 480 Vac • AC Output
CURRENT DERATING CURVES
25A
50A
30
25
20
15
10
5
95
60
40
20
0
1ºC/W
1ºC/W .5ºC/W
1.5ºC/W
90
100
3ºC/W
2ºC/W
100
110
120
2ºC/W
110
120
NO HEATSINK
NO HEATSINK
0
5
10 15 20 25 20 40 60 80
10 20 30 40 50 20 40 60 80
Load Current [Arms]
Max Ambient Temp. [ºC]
Load Current [Arms]
Max Ambient Temp. [ºC]
75A
90A
90
120
80
40
0
120
80
40
0
.5ºC/W
1ºC/W
.2ºC/W
.4ºC/W
95
.5ºC/W
.3ºC/W
100
110
120
100
1ºC/W
110
120
15 30 45 60 75 20 40 60 80
Load Current [Arms]
20 40 60 80
Load Current [Arms]
0
20 40 60 80
Max Ambient Temp. [ºC]
Max Ambient Temp. [ºC]
©1998 CRYDOM CORP, Specifications subject to change without notice.
For recommended applications and more information contact:
USA: (800) 8 CRYDOM • (800) 827-9366 • (619) 715-7200 • fax (619) 715-7280
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.157
SERIES H12.032698, PAGE 3 OF 3
Gewerbegebiet Im Schachen, D-66687 Nunkirchen, Germany • e-mail: vertrieb@crydom.com
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