Ordering Information
Engineering Data
Form: 2 Form A (2 SPST-NO).
Duty: Continuous.
Isolation: 4000V rms input-to-output;
2500V rms input or output to ground.
Temperature Range:
Storage: –30°C to +100°C
Operating: –30°C to + 80°C
Case Material: Plastic, UL rated 94V-0.
Case and Mounting: Refer to outline dimension.
Termination: Refer to outline dimension.
Approximate Weight: 3.17 oz (90g)
Features
• Two independent AC output solid state relays in one
standard package.
• Inverse parallel SCR outputs.
• 25A rms & 40A rms versions available.
• Zero voltage and random voltage turn-on versions.
• 4000V rms optical isolation.
• Quick connect style terminals.
Input Specifications
Our authorized distributors are more likely to maintain the following items in stock for immediate delivery.
SSRD-240D25 SSRD-240D40
File E29244
Users should thoroughly review the technical data before selecting a product part
number. It is recommended that users also seek out the pertinent approvals files of the
agencies/laboratories and review them to ensure the product meets the requirements
for a given application.
Dual AC Output “Hockey Puck”
Solid State Relay With
Paired SCR Outputs
Typical Part Number SSR -240 D 25 R
1. Basic Series: SSRD = Dual output SSR - 2 SPST - NO
2. Line Voltage: 240 = 24 - 280VAC
3. Input Type & Voltage: D = 4 - 15VDC
DE = 18 - 32VDC
4. Maximum Switching Rating/Output: 25 = .1 - 25A rms @ 25°C, mounted to heatsink
40 = .1 - 40A rms @ 25°C, mounted to heatsink
5. Options: Blank = Zero voltage turn-on (both outputs)
R = Random voltage turn-on (both outputs)
Parameter Units
SSRD-240D25
SSRD-240D25R
SSRD-240D40
SSRD-240D40R
SSRD-240DE25
SSRD-240DE25R
SSRD-240DE40
SSRD-240DE40R
Control Voltage Range VIN VDC 4 - 15 18 - 32
Must Operate Voltage VIN(OP) (Min.) VDC 4.0 18
Must Release Voltage VIN(REL) (Min.) VDC 1 1
Input Current mA DC 3 - 40 3 - 40
Input Current (Typical) mA DC 15 @ 8 Vdc 20 @ 24 Vdc
Input Resistance Ohms 375 800
Solid State Relay
SSRD Series
11-2017, Rev. 1117
www.te.com
© 2015 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
Datasheets and product specification
according to IEC 61810-1 and to be used
only together with the ‘Definitions’ section.
Datasheets and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
http://relays.te.com/definitions
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
1
Potter & Brumfield
Outline Dimensions
Input Terminal Connectors are available from
several different manufacturers.
TE P/N: 103976-3 or 640440-4
Methode P/N: 1300-004-422
Consult your local distributor for these or
equivalent connectors.
Operating Diagram
Electrical Characteristics (Thermal Derating Curves)
Output Specifications (@ 25° C, unless otherwise specified)
Heatsink Recommendations
• We recommend that solid state relay modules be mounted to a heatsink
sufficient to maintain the module’s base temperature at less than 85°C
under worst case ambient temperature and load conditions.
• The heatsink mounting surface should be a smooth (30-40 micro-inch
finish), flat (30-40 micro-inch flatness across mating area), un-painted
surface which is clean and free of oxidation.
• An even coating of thermal compound (Dow Corning DC340 or
equivalent) should be applied to both the heatsink and module mounting
surfaces and spread to a uniform depth of .002” to eliminate all air
pockets.
• The module should be mounted to the heatsink using two #10 screws.
Parameter Conditions Units 25A Models 40A Models
Load Voltage Range VLf = 47 - 63 Hz. V rms 24 - 280
Peak Voltage (Min.) t = 1 Min. V peak 600
Load Current Range I L* Resistive A rms .1 - 25 .1 - 40
Single Cycle Surge Current (Max.) A peak 300 800
Leakage Current (Off-State) (Max.) VL = 280V rms mA rms 5.0
On-State Voltage Drop (Max.) IL = Max. V peak 1.6 1.8
Static dv/dt (Off-State) (Min.) V/µs 300 500
Thermal Resistance, Junction to Baseplate
(R0J-C) (Max.) Both sections On °C/W 2.35 .86
Turn-On Time (Max.) f = 60 / 50 Hz. ms 8.3 / 10 for Zero Voltage Turn-On Models
0.1 for Random Voltae Turn-On Models
Turn-Off Time (Max.) f = 60 / 50 Hz. ms 10 for Zero & 8.3 for Random Voltage turn ON
I²T Rating t = 8.3 ms A² Sec. 510 3745
Load Power Factor Rating IL = Max. 0.5 - 1.0
* See Derating curve
SOLID STATE RELAY
SSRD Series (Continued)
11-2017, Rev. 1117
www.te.com
© 2015 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
Datasheets and product specification
according to IEC 61810-1 and to be used
only together with the ‘Definitions’ section.
Datasheets and product data is subject to the
terms of the disclaimer and all chapters of
the ‘Definitions’ section, available at
http://relays.te.com/definitions
Datasheets, product data, ‘Definitions’ sec-
tion, application notes and all specifications
are subject to change.
2
Potter & Brumfield
Random Turn-on units have a Random Turn-on
circuit instead of zero voltage circuit
