
MODEL NUMBERS
CKRD2410
CKRD2420
CKRD2430
OUTPUT SPECIFICATIONS 1
CKRA2410
CKRA2420
CKRA2430
Operating Voltage (47-63 Hz) [Vrms]
24-280
Max. Load Current @ 25°C Ambient Temperature [Arms]
10
20
30
DIN Rail & Panel Mount
CKR240
Rev. 100107
PAGE 1 OF 3
2007 CRYDOM Inc., Specifications subject to change without notice.
GENERAL NOTES
1 All parameters at 25°C unless otherwise specified.
2 Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1
3 Turn-on time for DC control random turn-on versions is 0.02msec.
4 Input circuitry for DC control version incorporates active current limiter.
Zero Voltage and Random
Turn-On Switching
Status Indicating LED
DC or AC Control
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.
Integrated Overvoltage
Protection by Automatic
Self Turn-On (Suffix P Option)
Min. Load Current, [Arms]
0.15
Transient Overvoltage [Vpk]
600
Max. Surge Current, (16.6ms) [Apk]
120
250
625
Max. On-State Voltage Drop @ Rated Current [Vpk]
1.6
Maximum I 2 t for Fusing, (8.3 msec.) [A 2 sec]
60
260
1620
Max. Off-State Leakage Current @ Rated Voltage [mArms]
10
Min. Off-State dv/dt @ Max. Rated Voltage [V/sec] 2
200
500
Max. Turn-On Time
4
1/2 Cycle (DC Control), 10.0 msec (AC Control)
Max. Turn-Off Time
1/2 Cycle (DC Control), 40.0 msec(AC Control)
Power Factor (Min.) with Max. Load
0.5
INPUT SPECIFICATIONS 1
DC CONTROL
AC CONTROL
(E Suffix)
Control Voltage Range
4.0-32 Vdc
18-36 Vrms
Max. Turn-On Voltage
4.0 Vdc
18 Vrms
Min. Turn-Off Voltage
1.0 Vdc
4.0 Vrms
Typical Input Current
8-12 mA
10mA @ 24 Vrms
AC CONTROL
Standard
90-280 Vrms
90 Vrms
10 Vrms
2mA @ 120 Vrms, 4 mA @ 240Vrms
SCR Output
Low Leakage
Integral Heatsink (22.5 mm)
3
10A, 20A & 30A Models
Ground Terminal Included
Series
CKR240
10-30Amp 240 Vac AC OUTPUT
For recommended applications and more information contact:
USA: Sales Support (877) 502-5500 Tech Support (877) 702-7700 FAX (619) 710-8540
Crydom Inc., 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 606030 FAX +44 (0)1202 606035 Crydom SSR Ltd., Arena Business Centre,
Holyrood Close, Poole, Dorset BH17 7FJ, Email: intsales@crydom.com.
GERMANY: +49 (0)180 3000 506