Series 1
10-90Amp • 120, 240 Vac • AC Output
• Zero Voltage and Random
Turn-On Switching
• Panel Mount
• 600V Blocking Capability
• Internal Snubber
• 110 & 125A Models
Available
Featuring state-of-the-art Surface
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 normally
closed (Form B) versions with either
AC or DC input (coil) control.
Manufactured in Crydom’s ISO 9002
Certified facility for optimum product
performance and reliability.
A2425
D2425
A2450
D2450
A2475
D2475
A2490
D2490
MODEL NUMBERS
AC CONTROL
D C C ONTROL
A1210
D1210
A1225
D1225
A1240
D1240
A2410
D2410
OUTPUT SPECIFICATIONS
Operating Voltage (47-63 Hz) [Vrms]
Max. Load Current
[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 I2 t for Fusing, (8.3 msec.) [A2sec]
Max. Off-State Leakage Current @ Rated Voltage [mArms]
Min. Off-State dv/dt @ Max. Rated Voltage [V/µsec]
Max. Turn-On Time
Max. Turn-Off Time
Power Factor (Min.) with Max. Load
24-140
10
40
400
120
1.6
1.48
60
8
500
24-140
25
40
400
250
1.6
1.02
260
8
500
24-140
40
40
400
625
1.6
0.63
1620
8
500
24-280
10
40
600
120
1.6
1.48
60
10
500
24-280
25
40
600
250
1.6
1.02
260
10
500
24-280
50
40
600
625
1.6
0.63
1620
10
500
24-280
75
40
600
1000
1.6
0.31
4150
10
500
24-280
90
40
600
1200
1.6
0.28
6000
10
500
0.5
1/2 Cycle (DC Control), 10.0 msec (AC Control)
1/2 Cycle (DC Control), 40.0 msec(AC Control)
0.5
0.5
0.5
0.5
0.5
0.5
0.5
INPUT SPECIFICATIONS
Control Voltage Range
Max. Reverse Voltage
Max. Turn-On Voltage
Min. Turn-Off Voltage
Nominal Input Impedance
Typical Input Current
DC CONTROL
3-32 Vdc
-32 Vdc
3.0 Vdc
1.0 Vdc
1500 Ohms
AC CONTROL
90-280 Vrms (60Hz)
---
90 Vrms
10 Vrms
60K Ohms
2mA @ 120 Vrms, 4mA @ 240 Vrms
AC CONTROL
(E SUFFIX)
18-36 Vrms
---
18 Vrms
4.0 Vrms
9.0K Ohms
3mA @ 24 Vrms
3.4mA @ 5 Vdc, 20mA @ 28Vdc
GENERAL NOTES
©1998 CRYDOM CORP, Specifications subject to change without notice.
All parameters at 25ºC 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 random turn-on versions is 0.02 msec (DC Control Models).
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)871 935405
•
fax (49)871 935407, Aussere Parkstr.5, D-84032 Altdorf, Germany
FastFax Document No. 151
SERIES1.032698, PAGE 1 OF 3
Series 1
10-90Amp • 120, 240 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:
AVAILABLE OPTIONS
-B
Normally Closed (Form B)
Example:
D2450-B, A2450-B
4D
400 Hz Operation
10-50 Amp Models Only
Zero Cross Switching Only
Example:
4D2450
24 Vac Input (18-36 Vac)
Example:
A2450E
Random Turn-On (AC & DC Control)
Phase Controllable (DC Control)
Example:
D2450-10
Faston Terminals (Up to 50A Models)
.250 x .032 Faston Terminals
Example:
D1225F
BASE PLATE
.125 (3.2)
4000 Vrms
10
9
Ohm
8 pF
-40 to 80ºC
-40 to 125ºC
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
E
-10
SOLID-STATE RELAY
--
4
INPUT
+
3
2.30
(58.4)
1.70
(43.2)
F
1.00
(25.4)
1.80
(45.7)
6-32 TERMINAL
(2 PLACES)
.78
(19.8)
.90
(22.9)
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
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
1.10
(27.9)
.45
(11.4)
FASTON TERMINAL
.250 X .032 (2 PLCS.)
.87 REF.
(22.2)
1
OUTPUT
2
1.87
(47.5)
4
INPUT
3
2.30
(58.4)
1.70
(43.2)
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)
Crydom Heat Sinks
offer excellent
thermal management and are per-
fectly matched to the load current rat-
ings of Crydom panel mount relays.
Request Crydom’s Heat Sink specifica-
tion sheet for all the details.
All dimensions are in inches (millimeters)
APPROVALS
UL
E116949
CSA LR81689
VDE 10143 UG (Not Applicable: -B and 4D)
FastFax Document No.151
SERIES1.032698, PAGE 2 OF 3
©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)871 935405
•
fax (49)871 935407, Aussere Parkstr.5, D-84032 Altdorf, Germany
Series 1
10-90Amp • 120, 240 Vac • AC Output
CURRENT DERATING CURVES
10A
12
7ºC/W
3ºC/W
25A
30
1ºC/W
95
3ºC/W
Base Plate Temp [ºC]
Power Dissipation
8
NO HEATSINK
Power Dissipation
9ºC/W
5ºC/W
2ºC/W
20
15
10
NO HEATSINK
115
110
4
120
5
0
2
4
6
8
10
20
40
60
80
Load Current [Arms]
Max Ambient Temp. [ºC]
120
5
10
15
20
25
20
40
60
80
0
Load Current [Arms]
Max Ambient Temp. [ºC]
50A
60
1ºC/W
1.5ºC/W
.5ºC/W
75A
120
90
Base Plate Temp [ºC]
Base Plate Temp [ºC]
90A
120
.5ºC/W
.2ºC/W
.4ºC/W
90
Base Plate Temp [ºC]
95
Power Dissipation
.5ºC/W
.3ºC/W
Power Dissipation
40
2ºC/W
100
80
1ºC/W
100
Power Dissipation
80
1ºC/W
100
20
NO HEATSINK
110
40
110
110
40
120
0
20
40
60
80
0
20
40
60
80
120
0
80
15
30
45
60
75
20
40
60
80
120
0
10
20
30
40
50
20
40
60
Load Current [Arms]
Max Ambient Temp. [ºC]
Load Current [Arms]
Max Ambient Temp. [ºC]
Load Current [Arms]
Max Ambient Temp. [ºC]
©1998 CRYDOM CORP, Specifications subject to change without notice.
FastFax Document No.151
SERIES1.032698, PAGE 3 OF 3
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)871 935405
•
fax (49)871 935407, Aussere Parkstr.5, D-84032 Altdorf, Germany
Base Plate Temp [ºC]
110
25
100
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