Solid State Relay
Potter & Brumfield
SSRT Series
“Hockey Puck”
Solid State Relay
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.
Features
•Standard “hockey puck” package.
•LED indicator.
•Floating terminal design.
•Triac outputs.
•10A & 25A rms versions.
•AC & DC input versions.
•4000V rms isolation.
• Cover design with anti-rotation barrier
Engineering Data
Form: 1 Form A (SPST-NO).
Duty: Continuous.
Isolation: 4000V rms minimum, input - output.
Temperature Range:
Storage: –30°C to +100°C
Operating Temperature: –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: 3.5 oz. (98g).
Ordering Information
Sample Part Number
SSRT -240
D
10
1. Basic Series: SSRT = “hockey puck” triac output solid state relay
2. Line Voltage: 240 = 24 - 280 VAC
3. Input Type & Voltage: A = 90 - 280 VAC linear
D = 3 - 32 VDC constant current
4. Maximum Switching Rating: 10 = .1 - 10A rms, mounted to heatsink
25 = .1 - 25A rms, mounted to heatsink
Our authorized distributors are more likely to maintain the following items in stock for immediate delivery.
SSRT-240A10
SSRT-240A25
SSRT-240D10
SSRT-240D25
Input Specifications
Parameter
AC Input
Control Voltage Range VIN
Must Operate Voltage VIN(OP) (Min.)
Must release Voltage VIN(REL) (Min.)
Input Current (Max.)
1
11-2017, Rev. 1117
www.te.com
© 2015 Tyco Electronics Corporation,
a TE Connectivity Ltd. company
90 - 280VAC
90VAC
10VAC
25mA
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
DC Input
3 - 32VDC
3VDC
1VDC
20mA
Datasheets, product data, ‘Definitions’ section, application notes and all specifications
are subject to change.
Solid State Relay
Potter & Brumfield
SSRT Series (Continued)
Output Specification (@ 25°C, unless otherwise specified)
Parameter
Conditions
Load Voltage Range VL
Repetitive Blocking Voltage (Min.)
Load Current Range IL*
Single Cycle Surge Current (Min.)
Resistive
Leakage Current (Off-State) (Max.)
On-State Voltage Drop (@rated current)
Static dv/dt (Off-State) ( (Min.)
Thermal Reisitance, Junction to Case
(R0J-C) (Max.)
Turn-On Time (Max.)
Turn-Off Time (Max.)
I²T Rating
Load Power Factor Rating
f = 60 Hz. VL = Nom
(120 or 240 V rms)
IL = Max.
Units
V rms
V peak
A rms
A peak
V rms
V/µs
ms
ms
A² Sec.
SSRT-240A25
SSRT-240D25
24 - 280
600
.1 - 10
100
mA rms
°C/W
f = 60 / 50 Hz.
f = 60 / 50 Hz.
t = 8.3 ms
IL = Max.
SSRT-240A10
SSRT-240D10
.1 - 25
260
5
1.6
400
1.6
500
2.4
1.7
8.3/10 of DC input types, 40 for AC input types
8.3/10 of DC input types, 80 for AC input types
144
340
0.5 - 1.0
* See Derating curve
Electrical Characteristics (Thermal Derating Curves)
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 #8 screws.
Operating Diagrams
Outline Dimensions
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’ section, application notes and all specifications
are subject to change.
2
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