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S
eries
25-90
A
S
M
m
p
•
120/240 Vac - AC OUTPU
R
24-6
T
• System Monitoring
•
•
•
Solid State Relay
• LED Status Indicators
•
•
•
• Alarm Output Signal
•
•
•
• Zero Voltage Switching
• Invert/Non Invert Control
Inputs and Alarm Outputs
The SMR Series of System Monitoring
Relays offer the user a number of fault
MODEL NUMBERS SMR2425-6 SMR2450-6 SMR2490-6
OUTPUT SPECIFICATIONS
Operating Voltage (47-63 Hz) [Vrms] 60-280 60-280 60-280
Max. Load Current ➂ [Arms] 25 50 90
Min. Load Current, [mArms] 40 40 40
Transient Overvoltage [Vpk] 600 600 600
Max. Surge Current, (16.6ms) [Apk] 250 625 1200
Max. On-State Voltage Drop @ Rated Current [Vpk] 1.6 1.6 1.6
Thermal Resistance Junction to Case (R ) [˚C/W]
Maximum I2 t for Fusing, (8.3 msec.) [A2sec] 260 1620 6000
Max. Off-State Leakage Current @ Rated Voltage [mArms] 10 10 10
Min. Off-State dv/dt @ Max. Rated Voltage [V/µsec] ➁ 500 500 500
Max. Turn-On Time 1/2 Cycle 1/2 Cycle 1/2 Cycle
Max. Turn-Off Time 1/2 Cycle 1/2 Cycle 1/2 Cycle
Power Factor (Min.) with Max. Load 0.5 0.5 0.5
➀
θJC
1.02 0.63 0.28
condition alarms. Low line voltage,
load circuit high impedance, relay output
and loss of DC supply current are
constantly monitored by this unique
Solid State Relay (SSR).
The alarm circuit can sink or source
100mA. The sink output is Normally
Closed (NPN) and the source output is
Normally Open (PNP).
Manufactured in Crydom’s ISO 9001
Certified facility for optimum product
performance and reliability.
➀➃
➀➃
NORMALLY CLOSED NORMALLY OPEN
Open Col. NPN (pin 7) Active High PNP (pin 8)
Active Low NPN (pin 7) Open Col. PNP (pin 8)
© 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
Note: SMR family of relays is not available for purchase in Germany
*
WEB SITE: http://www.crydom.com
*
CONTROL SPECIFICATIONS INVERTING NON-INVERTING
Logic Supply Voltage Range 8-32 Vdc (pin 3) 8-32 Vdc (pin 3)
Logic Supply Current @ 12 Vdc 8 mA 14 mA (plus pin 8 loading)
Input-On Voltage Range 8-32 Vdc (pin 6) 0-1.0 Vdc (pin 5)
Input-Off Voltage Range 0-0.4 Vdc (pin 6) 8-32 Vdc (pin 5)
Input-On Current @ 12 Vdc (Logic Supply) 6 mA (pin 6) 1.0 mA (pin 5)
ALARM SPECIFICATIONS
Alarm-On Voltage Supply Voltage (with load) Supply Voltage (minus 1.0 V)
Alarm-Off Voltage 1.5 Vdc 0.0 Vdc (with load)
Maximum Alarm Output Current 100 mA 100 mA
Alarm Delay (Min.-Max.) 30-100 msec. 30-100 msec.
GENERAL NOTES
➀All parameters at 25˚C unless otherwise specified.
➁Off-State dv/dt test method per EIA/NARM standard
RS-443, paragraph 13.11.1
➂Heat sinking required, for derating curves see page 2.
➃All voltages are positive in respect to common (pin 4).
SERIES SMR24-6
Rev. 111803
PAGE 1 OF 2
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S
eries
25-90
A
S
M
m
p
•
120/240 Vac - AC OUTPU
R
24-6
GENERAL SPECIFICATIONS
Dielectric Strength 50/60Hz Input/Output/Base 4000 Vrms
Insulation Resistance (Min.) @ 500 Vdc 10
9
Ohm
Max. Capacitance Input/Output 8 pF
Ambient Operating Temperature Range
-40 to 80˚C
Ambient Storage Temperature Range -40 to 125˚C
MECHANICAL SPECIFICATIONS
Weight: (typical)
Encapsulation:
Output Terminals:
Screws and Saddle Clamps Furnished, Unmounted
3.0 oz. (86.5g)
Thermally Conductive Epoxy
Input Connector (locking): Panduit No. MLSS100-6 or Equivalent
Mating Connector (supplied): Panduit No. CT100F22-6 or Equivalent
T
MOUNTING
HOLE/SLOT
0.17 (4.3) DIA.
All dimensions are in inches (millimeters)
Screw Torque Requirements:
8-32 Screws - 20in./lbs.
(Screws dry without grease.)
25A
30
25
20
15
10
Power Dissipation
5
0000000
0
510 202515 20 40 60 80
Load Current [Arms] Max Ambient Temp. [ ˚C]
STATUS
CHART
CONTROL NON-INVERTING
LINE VOLTAGE
LOAD CURRENT
CONTROL INVERTING
LOGIC SUPPLY
RED LED & ALARM N/O
GREEN LED
ALARM N/C
3˚C/W
NO HEATSINK
Normal
Relay
OFF
2˚C/W
1˚C/W
Normal
1.87
(47.5)
Relay
ON
AC AC
AC AC
AC AC
AC AC
AC AC
AC AC
AC AC
AC AC
95
100
110
Base Plate Temp [ºC]
120
Line
Voltage
Low
1.10
(27.9)
.45
(11.4)
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
1.80
(45.7)
Power Dissipation
Line Voltage
w/Control
8-32 TERMINAL
(2 PLACES )
2.30
.10
(58.4)
(2.54)
TYP.
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
INPUT
.025 SQUARE
TERMINALS
(6 PLACES)
CURRENT DERATING CURVES
60
40
20
0
10 20 40 5030 20 40 60 80
Load Current [Arms] Max Ambient Temp. [˚C]
Load
Circuit
Low
High
Impedance
Logic
Supply
Loss
50A
1.5˚C/W
NO HEATSINK
Logic
Supply Loss
w/Control
1˚C/W
2˚C/W
.95
(24.2)
.78
(19.8)
.5˚C/W
Relay
Fails to
Turn ON
Relay
Fails
Shorted
Alarm Status
90
100
110
120
Shorted
Red LED
Green LED
Input Status
120
80
40
Power Dissipation
Base Plate Temp [ºC]
0
Relay
Fails
WIRING DIAGRAMWIRING DIAGRAMWIRING DIAGRAMWIRING DIAGRAM
ACAC
ACAC
ACAC
ACAC
ACAC
ACAC
ACAC
1
1
1
1
1
1
1
1
ACAC
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
8
8
8
8
8
8
8
8
Logic Supply 8-32 Vdc
Common (–)
Control Non-Inverting
Control Inverting
Alarm N/C
Alarm N/O
90A
90
.2˚C/W
.5˚C/W
.4˚C/W
100
1˚C/W
110
Base Plate Temp [˚C]
120
20 40 80 060 20 40 60 80
Load Current [Arms] Max Ambient Temp. [˚C]
Crydom Heat Sinks offer excellent
thermal management and are perfectly matched to the load current
ratings of Crydom panel mount
relays. Request Crydom’s Heat Sink
specification sheet for all the
details.
---
APPROVALS
UL PENDING
CSA PENDING
VDE PENDING
SERIES SMR24-6
Rev. 111803
PAGE 2 OF 2
© 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
Note: SMR family of relays is not available for purchase in Germany
*
WEB SITE: http://www.crydom.com
*