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Series DSD, DLD
Time Delay Relay 10-50 Amp
DC Control, AC Output
External Adjustment
Industry Standard Package
Zero Voltage Turn-On
Panel Mount
These “on-operate” (pull-in) time-delay
solid state relays are housed in a single
industry standard package. AC output
is controlled by a DC input and has an
externally adjustable time delay.
Choices include models with two time-
delay ranges.
Manufactured in Crydom's ISO 9001
Certified facility for optimum product
performance and reliability.
MODEL NUMBERS
OUTPUT SPECIFICATIONS
DSD2410
Operating Voltage Range (47-63 Hz) [Vrms]
Load Current Range [Arms]
Transient Overvoltage [Vpk]
Max. Surge Current, (16.6ms) [Apk]
Max. On-State Voltage Drop @ Rated Current [Vpk]
Thermal Resistance Junction to Case [RθJC]
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]
Max. Turn-On Time
Max. Turn-Off Time
Max. Reset Time [µsec]
Power Factor (Min.) with Max. Load
48-280
.04-10
600
120
1.6
1.48
60
10
500
1/2 cycle
100
0.5
DSD2425 DSD2450 DLD2410
48-280
48-280
48-280
.04-25
.04-50
.04-10
600 600 600
250 625 120
1.6 1.6 1.6
1.02 0.63 1.48
260 1620
60
10 10 10
500 500 500
Adjustable, See Table
1/2 cycle 1/2 cycle 1/2 cycle
100 100 100
0.5 0.5 0.5
DLD2425
48-280
.04-25
600
250
1.6
1.02
260
10
500
1/2 cycle
100
0.5
DLD2450
48-280
.04-50
600
625
1.6
0.63
1620
10
500
1/2 cycle
100
0.5
INPUT SPECIFICATIONS DC CONTROL
TYPICAL TURN-ON DELAY
Control Voltage Range
Max. Turn-On Voltage
Min. Turn-Off Voltage
Min. Input Impedance
Typical Input Current
3.5-15Vdc
3.5 Vdc
1.0 Vdc
1500 Ohms
3.4mA @ 5 Vdc, 11.4mA @ 15Vdc
RESISTOR
O (Short)
10K
100K
470K
1.0M
TIME (DSD)
0.10 sec
0.19 sec
0.94 sec
4.0 sec
8.3 sec
TIME (DLD)
1.6 sec
3.1 sec
15 sec
64 sec
133 sec
GENERAL NOTES
© 2002 CRYDOM CORP, Specifications subject to change without notice.
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.
Timing Resistor may be as high as 10M Ohm with performance dependent on resistor quality.
Before and after time-out.
FastFax Document No. 201
DSD,DLD.
Rev.021302
PAGE 1 OF 2
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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Series DSD, DLD
Time Delay Relay • 10-50 Amp
GENERAL SPECIFICATIONS
Dielectric Strength, Input section/output/base
Insulation Resistance @ 500Vdc
Ambient Operating Temperature Range
Ambient Storage Temperature Range
4000 Vrms
1010
-30 to 80˚C
-40 to 125˚C
MECHANICAL SPECIFICATIONS
Weight: (typical)
3.0 oz. (43g)
Encapsulation:
Thermally Conductive Epoxy
Terminals:
Screws and Saddle Clamps Furnished, Unmounted
WIRING DIAGRAM
~
1.10
(27.9)
.45
(11.4)
8-32 TERMINAL
(2 PLACES )
1 OUTPUT 2
TIME DELAY RELAY
4A 4B 3B 3A
INPUT
Timing
Resistor
-- +
DC CONTROL
1.87
(47.5)
2.30
(58.4)
1.70
(43.2)
1.00
(25.4)
1.80
(45.7)
.250
(6.35) FASTON
TERMINAL
.187 X .032
4 PLCS.
.78
(19.8)
.87
(22.2)
All dimensions are in inches (millimeters)
10A
12
7°C/W 3°C/W
9°C/W 5°C/W 110
8
115
4 NO HEATSINK
120
0
2 4 6 8 10 20 40 60 80
Load Current [Arms]
Max Ambient Temp. [°C]
CURRENT DERATING CURVES
25A
30 95
1°C/W
25 100
3°C/W 2°C/W
20
15 110
10
NO HEATSINK
5 120
0
5 10 15 20 25 20 40 60 80
Load Current [Arms]
Max Ambient Temp. [°C]
50A
60
1°C/W .5°C/W 90
1.5°C/W
40
2°C/W
100
20 110
NO HEATSINK
120
0
10 20 30 40 50 20 40 60 80
Load Current [Arms]
Max Ambient Temp. [°C]
APPROVALS
UL E116949
FastFax Document No. 201
DSD,DLD.
Rev.021302
PAGE 2 OF 2
© 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