Series CMD24/CMA24
25-125Amp • 240 Vac • AC Output
Featuring state-of-the-art Surface
• Zero Voltage and Random
Turn-On Sw itching
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 or random
turn-on versions.
• Panel Mount
• Status Indicating LED
• DC or AC Control
Manufactured in Crydom’s ISO 9002
Certified facility for optimum product
performance and reliability.
M O DEL NUM BERS
CMD2425
CMA2425
CMD2450
CMA2450
CMD2475
CMA2475
CMD2490 CMD24110 CMD24125
CMA2490 CMA24110 CMA24125
➀
OUTPUT SPECIFICATIONS
Operating Voltage (47-63 Hz) [Vrms]
24-280
25
24-280
50
24-280
75
24-280
90
24-280
110
24-280
125
Max. Load Current ➂ [Arms]
Min. Load Current, [Arms]
0.15
600
250
1.6
0.15
600
625
1.6
0.25
600
0.25
600
0.25
600
0.25
600
Transient Overvoltage [Vpk]
Max. Surge Current, (16.6ms) [Apk]
Max. On-State Voltage Drop @ Rated Current [Vpk]
1000
1.6
1200
1.6
1500
1.6
1750
1.6
Thermal Resistance Junction to Case (R ) [˚C/W]
1.02
260
10
0.63
1620
10
0.31
4150
10
0.28
6000
10
0.25
9340
10
0.22
12700
10
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
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 SPECIFICATIONS➀ DC CONTROL
AC CONTROL
GENERAL SPECIFICATIONS
Dielectric Strength 50/60Hz Input/Output/Base
Insulation Resistance (Min.) @ 500 Vdc
Max. Capacitance Input/Output
Control Voltage Range
Max. Reverse Voltage
Max. Turn-On Voltage
Min. Turn-Off Voltage
Max. Input Current
3-32 Vdc
90-140 Vrms
4000 Vrms
109 Ohm
32 Vdc
—
8 pF
3.0 Vdc
90 Vrms
10 Vrms
—
Ambient Operating Temperature Range
Ambient Storage Temperature Range
Status Indicating Display
-40 to 80ºC
-40 to 125ºC
Green LED
1.0 Vdc
30.0mA➄
Typical Input Current
17mA @ 5 Vdc 15mA @ 120 Vrms
MECHANICAL SPECIFICATIONS
Weight: (typical)
GENERAL NOTES
➀All 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 0.02msec.
➄ Input circuitry incorporates active current limiter.
3.0 oz. (86.5g)
Encapsulation:
Terminals:
Thermally Conductive Epoxy
Cage Type
Maximum Wire Size- Output: AWG 6 (4.1mm) Input: AWG10 (2.6mm)
©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. 170
CMD/CMA.060398, PAGE 1 OF 6
Gewerbegebiet Im Schachen, D-66687 Nunkirchen, Germany • e-mail: vertrieb@crydom.com