A
C
C
ON
T
R
O
L
(120Vac)
M
C
X240A5
MODEL NUMBERS (24Vac)
M
C
X
E
240A5
D
C
C
ON
T
R
O
L
(5Vdc) M
C
X240D5 M
C
X380D5 M
C
X480D5
(24Vdc)
M
C
X
E
240D5 M
C
X
E
380D5 M
C
X
E
480D5
OU
T
P
U
T
SPE
C
I
F
I
C
A
T
ION
S
Operating Voltage (47-63 Hz) [Vrms] 12-280 48-530 48-660
Load Current Range [Arms] .06-5 .06-5 .06-5
Transient Overvoltage [Vpk] 600 1200 1200
Max. Surge Current, (16.6ms) [Apk] 250 250 250
Max. On-State Voltage Drop @ Rated Current [Vpk] 1.4 1.4 1.4
Maximum I2t for Fusing, (8.3 msec.) [A2sec] 260 260 260
Max. Off-State Leakage Current @ Rated Voltage [mArms] 0.1 0.1 0.1
Min. Off-State dv/dt @ Max. Rated Voltage [V/µsec] 500 500 500
Max. Turn-On Time 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 0.5 0.5
IN
P
U
T
SPE
C
I
F
I
C
A
T
ION
S
D
C
C
ON
T
R
O
L
A
C
C
ON
T
R
O
L
Nominal Voltage 5Vdc 5Vdc 24Vdc 120Vac 24Vac
M
C
X
E
240D5
MODEL NUMBERS
M
C
X380D5 M
C
X
E
380D5
M
C
X240D5 M
C
X480D5 M
C
X
E
480D5 M
C
X240A5 M
C
X
E
240A5
Control Voltage Range 3-15 Vdc 4-15 Vdc 15-32 Vdc 90-140 Vrms 18-36 Vrms
Max. Turn-On Voltage 3.0 Vdc 4.0 Vdc 15.0 Vdc 90.0 Vrms 18.0 Vrms
Min. Turn-Off Voltage 1.0 Vdc 1.0 Vdc 1.0 Vdc 10.0 Vrms 2.0 Vrms
Nominal Input Impedance 300 Ohm 240 Ohm 1500 Ohm 14.1k Ohm 4.2k Ohm
Typical Input Current @ Nominal Voltage 15 mAdc 15 mAdc 15 mAdc 10 mArms 5 mArms
G
E
N
E
R
A
L
NO
T
ES
All parameters at 25˚C unless otherwise specified.
Off-State dv/dt test method per EIA/NARM standard RS-443, paragraph 13.11.1
Turn-On Time for Random Turn-On versions 0.1msec (DC Control Models).
S
CR
O
utput
U
ltra
H
igh
S
urge
R
ating
C
rydom
'
s
P
atented
D
e
s
ign
Crydom's family of SPST-NO relays
achieves the highest power switching
capability in a PC-mounted air-cooled
package. Advanced features include
FastFax Document No. 108
SERIES MCX
Rev. 111303
PAGE 1 OF 2
exceptional steady state current, plus
ultra-high surge ratings. Models are
available to switch up to 660 Vrms with
AC or DC control, and either zero-cross
or random turn-on ("R") switching ver-
sions. Pinout is compatible with Series
6 and OAC type I/O modules.
Manufactured in Crydom's ISO 9001
Certified facility for optimum product
performance and reliability.
©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
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
S
e
r
i
e
s
M
C
X
5
A
m
p
120
/
240
/
380
/
480
V
ac
-
A
C
O
U
T
P
U
T
S
I
P
G
E
N
E
R
A
L
SPE
C
I
F
I
C
A
T
ION
S
Dielectric Strength 50/60Hz Input/Output/Base 4000 Vrms
Insulation Resistance (Min.) @ 500 Vdc 109Ohm
Max. Capacitance Input/Output 10 pF
Ambient Operating Temperature Range -40 to 80˚C
Ambient Storage Temperature Range -40 to 125˚C
M
E
C
HANI
C
A
L
SPE
C
I
F
I
C
A
T
ION
S
Weight: (typical) 0.7 oz. (20g)
Encapsulation: Thermally Conductive Epoxy
FastFax Document No. 108
SERIES MCX
Rev. 111303
PAGE 2 OF 2
C
U
RR
E
N
T
D
E
R
A
T
IN
G
C
U
R
V
E
AVAI
L
A
B
L
E
O
P
T
ION
S
R
Random Turn-On Switching
Example:
M
C
X240D5
R
, M
C
X240A5
R
A
PP
R
OVA
L
S
UL E116949
All dimensions are in inches (millimeters)
1.00
(25.4)
.70
(17.8)
1.10
(27.9) 1.70
(43.1)
.40
(10.2)
.16 ±.015
(4.1) ±0.4
.30
(7.6)
.025
(.64)
.040 (1.0) DIA.
(4 PLACES)
1û draft
top to base
.25 TYP. (6.35)
.20
(5.1)
B
O
TT
OM VI
E
W
12 34
CONTROLLOAD
©2003 CRYDOM CORP, Specifications subject to change without notice.
A
C
C
ON
T
R
O
L
PIN 1: AC LOAD
PIN 2: AC LOAD
PIN 3: AC CONTROL
PIN 4: AC CONTROL
D
C
C
ON
T
R
O
L
PIN 1: AC LOAD
PIN 2: AC LOAD
PIN 3: +DC CONTROL
PIN 4: -DC CONTROL
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
5.0
6.0
3.0
1.0
2.0
4.0
020 40 60 80
AMBIENT TEMPERATURE [˚C]
LOAD CURRENT [AMPS]
Max. Load Current vs. Temp.
S
e
r
i
e
s
M
C
X
5
A
m
p
120
/
240
/
380
/
480
V
ac
-
A
C
O
U
T
P
U
T
S
I
P