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Catalog 1308242
Issued 3-03 (PDF Rev. 2-14)
Output Specifications (@ 25° C, unless otherwise specified)
Potter & Brumfield
Parameter
Nom. Line Voltage
Conditions
Units
25A Models
50A Models
125A Models
Load Voltage Range V L
Repetitive Blocking Voltage (Min.)
120/240V Model
480V Model
120/240 Model
480V Model
V rms
V rms
V peak
V peak
24 - 280
48 - 660
600
1200
Load Current Range I L *
Single Cycle Surge Current (Min.)
Leakage Current (Off-State) (Max.)
120/240 & 480V Models
120/240 & 480V Models
120/240V Model
480V Model
Resistive
f = 60 Hz. V L = 240V rms
f = 60 Hz. V L = 480V rms
A rms
A peak
mA rms
.05 - 25
250
.1 - 50
750
.1
.25
.1 - 125
1,700
On-State Voltage Drop (Max.)
Static dv/dt (Off-State) (Min.)
120/240 & 480V Models
120/240 & 480V Models
I L = Max.
V/s
1.35
500
Thermal Resistance, Junction to Case
(R θ J-C ) (Max.)
120/240 & 480V Models
C/W
0.4
0.25
.15
Turn-On Time (Max.)
Turn-Off Time (Max.)
120/240 & 480V Models
120/240 & 480V Models
f = 60 Hz.
f = 60 Hz.
ms
ms
8.3 for Zero Voltage Turn-On DC input types,
20 for Zero Voltage Turn-On AC input types,
0.02 for Random Voltage Turn-On Models
8.3 for DC input types, 30 for AC input types
I T Rating
A Sec.
2
120/240 & 480V Models
t = 8.3 ms
2
937
2,458
12,000
Load Power Factor Rating
120/240 & 480V Models
I L = Max.
0.5 - 1.0
*See Derating Curves
Electrical Characteristics (Thermal Derating Curves)
25A Units
125A Units
Operating Diagrams
50A Units
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.
Outline Dimensions
-4
CONSTANT
CURRENT
DC INPUT
ZERO
VOLTAGE
CIRCUIT ?
1
OUTPUT
1.850
(47.0)
1.700
(43.18)
LED INDICATOR
.870
(22.1)
1.750
+3
4
AC INPUT
EQUIVALENT CIRCUIT ONLY
ZERO
VOLTAGE
CIRCUIT ?
2
1
OUTPUT
1.000
(25.4)
1.100
.470 (27.94)
(11.9)
(44.45)
.875
(22.23)
3
EQUIVALENT CIRCUIT ONLY
2
?
Random Turn-on Units have a Random Turn-on circuit
instead of Zero Voltage Circuit
2.250
(57.15)
.785
(19.94)
.250
(6.35)
Dimensions are shown for
reference purposes only.
Dimensions are in inches over
(millimeters) unless otherwise
specified.
Specifications and availability
subject to change.
www.te.com
http://relays.te.com
1105
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