
S
eries
10-30
CKR
A
m
p
•
240 Vac • AC OUTPU
240
T
• SCR Output
• 10A, 20A & 30A Models
• Ground Terminal Included
• Zero Voltage and Random
Turn-On Switching
• Low Leakage
• Integral Heatsink (22.5 mm)
• DIN Rail & Panel Mount
• Status Indicating LED
• DC or AC Control
• Integrated Overvoltage
The Series CKR Solid State Relays
utilize Crydom’s proprietary thermal
management technology providing a
compact and efficient design. Built-in
DIN Rail attachment, easy-to-use Box
Clamp type terminals and integral heat
sinking complete the package. This
compact new design offers up to 30Arms
in ambient temperatures of 25˚C.
Manufactured in Crydom’s ISO 9001
Certified facility for optimum product
performance and reliability.
Protection by Automatic
Self Turn-On (Suffix P Option)
MODEL NUMBERS CKRD2410 CKRD2420 CKRD2430
OUTPUT SPECIFICATIONS
Operating Voltage (47-63 Hz) [Vrms] 24-280 24-280 24-280
Max. Load Current @ 25˚C Ambient Temperature [Arms] 10 20 30
Min. Load Current, [Arms] 0.15 0.15 0.15
Transient Overvoltage [Vpk] 600 600 600
Max. Surge Current, (16.6ms) [Apk] 120 250 625
Max. On-State Voltage Drop @ Rated Current [Vpk] 1.6 1.6 1.6
Maximum I2 t for Fusing, (8.3 msec.) [A2sec] 60 260 1620
Max. Off-State Leakage Current @ Rated Voltage [mArms] 10 10 10
Min. Off-State dv/dt @ Max. Rated Voltage [V/µsec] ➁ 200 500 500
Max. Turn-On Time
Max. Turn-Off Time 1/2 Cycle (DC Control), 40.0 msec(AC Control)
Power Factor (Min.) with Max. Load 0.5 0.5 0.5
➂
➀
CKRA2410 CKRA2420 CKRA2430
1/2 Cycle (DC Control), 10.0 msec (AC Control)
INPUT SPECIFICATIONS
Control Voltage Range 4.5-32 Vdc 18-36 Vrms
Max. Turn-On Voltage 4.5 Vdc 18 Vrms
Min. Turn-Off Voltage 1.0 Vdc 4.0 Vrms
Typical Input Current 15mA @ 12 Vdc, 20mA @ 24Vdc 10mA @ 24 Vrms
GENERAL NOTES
All parameters at 25˚C unless otherwise specified.
➀
➁ Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1
➂ Turn-on time for DC control random turn-on versions is 0.02msec.
➃ Input circuitry for DC control version incorporates active current limiter.
CKR240
Rev. 111703
PAGE 1 OF 2
➃
➀
DC CONTROL
2mA @ 120 Vrms, 4 mA @ 240Vrms
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
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
WEB SITE: http://www.crydom.com
AC CONTROL
Standard
90-280 Vrms
90 Vrms
10 Vrms
© 2003 CRYDOM CORP, Specifications subject to change without notice.
AC CONTROL
(E Suffix)

CURRENT DERATING CURVES
CKRX2430
30
25
CKRX2420
20
15
CKRX2410
10
OUTPUT CURRENT (Arms)
5
S
eries
10-30
CKR
A
m
p
•
240 Vac • AC OUTPU
240
GENERAL SPECIFICATIONS
Dielectric Strength 50/60Hz Input/Output/Base
Insulation Resistance (Min.) @ 500 Vdc 10
Max. Capacitance Input/Output
Ambient Operating Temperature Range
4000 Vrms
9
Ohm
8 pF
-40 to 80˚C
Ambient Storage Temperature Range -40 to 125˚C
Status Indicating Display Green LED
MECHANICAL SPECIFICATIONS
Weight: (typical)
Encapsulation:
Thermally Conductive Epoxy
10 oz. (280g)
Terminals: Box Clamp Type
Maximum Wire Size: AWG #10 (3mm)
Recommended Terminal Screw Torque Range: 5.0-6.0 in lb (0.6-0.7Nm)
Min. Side by Side Spacing 0.8 inch (20mm)
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
4/A2
+3/A1
CKR SERIES
SOLID STATE
CONTACTOR
1/L1
I
N
P
U
OUTPUT
S
U
T
T
A
S
T
2.6
(66.0)
2/T1
3.2
(81.9)
MECHANICAL SPECIFICATIONS
All dimensions are in inches (millimeters)
3.5
(88.9)
T
20 40 60 80
AMBIENT TEMPERATURE (˚C)
AVAILABLE OPTIONS
E
24 Vac Input (18-36 Vac)
Example: CKRA2410E
P
Internal Overvoltage Protection.
Relay Will Self Trigger Between
450-600 Vpk.
Not Suitable For Capacitive Loads.
Example: CKRD2410P (AC & DC Control)
-10 Random Turn-On (AC & DC Control)
Phase Controllable (DC Control)
Example: CKRD2410-10
APPROVALS
UL E116950
CSA LR81689
VDE 129156ÜG
CKR240
Rev. 111703
PAGE 2 OF 2
.5
(12.7)
.890
(22.5)
Current Rating 20A @ 25˚C
30
20
10
20
3.9
(99.0)
© 2003 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
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
WEB SITE: http://www.crydom.com
3.2
(81.3)
!
Caution
High Temperature
80
40
60
HEAT SINK:
BLACK ANODIZED
ALUMINUM