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Power SEM3T | Selection Distribution and Application Guide Solutions<br />

SEM3T | Selection and Application Guide<br />

SEM3T<br />

Revised on 10/15/20<br />

Ordering and technical data<br />

SEM3T Thermal Sensors<br />

.06in .06in [1.52mm] Overall Overall Thickness<br />

.45in<br />

.45in [11.43mm]<br />

[11.43mm]<br />

Diameter “A” “A” Diameter “B” “B”<br />

10ft 10ft [3.66m] [3.66m]<br />

+<br />

+<br />

.60in<br />

.60in [15.24mm]<br />

[15.24mm]<br />

2.29in<br />

2.29in [58.17mm]<br />

[58.17mm] 3.29in<br />

3.29in [83.57mm]<br />

[83.57mm]<br />

Screw Ring Terminal<br />

Dimensions inches [mm]<br />

Description Catalog Number A B<br />

SEM3T sensor<br />

1⁄ 4” terminal<br />

SEM3T sensor<br />

5⁄ 16” terminal<br />

SEM3T sensor<br />

3⁄ 8” terminal<br />

SEM3T sensor<br />

1⁄ 2” terminal<br />

7KT1281-2SA00<br />

7KT1281-2SA01<br />

7KT1281-2SA02<br />

7KT1281-2SA03<br />

0.257<br />

[6.527]<br />

0.323<br />

[8.204]<br />

0.386<br />

[9.804]<br />

0.515<br />

[13.081]<br />

0.625<br />

[15.875]<br />

1.00<br />

[25.4]<br />

1.125<br />

[28.575]<br />

1.25<br />

[31.75]<br />

* Example: The SEM3T Sensor 1/4” terminal accepts a 1/4” bolt /screw and the<br />

tightening torque is 6-9 lb-ft.<br />

Torque (lb-ft) for<br />

non-lubricated<br />

threads*<br />

6 – 9<br />

6 – 9<br />

20 – 30<br />

40 – 50<br />

Cylindrical Ring Terminal<br />

.52in<br />

.52in [13.21mm]<br />

[13.21mm]<br />

.34in<br />

.34in [8.64mm]<br />

[8.64mm]<br />

.43in<br />

.43in [10.92mm]<br />

[10.92mm]<br />

.73in<br />

.73in [18.54mm]<br />

[18.54mm]<br />

2.32in<br />

2.32in [58.93mm]<br />

[58.93mm]<br />

Description<br />

SEM3T sensor cylindrical<br />

Sensor Information<br />

Catalog Number<br />

7KT1281-2CA00<br />

Description<br />

Information<br />

Altitude / Elevation<br />

3000 Meters/9843 Feet<br />

Pollution Degree 3 (UL 61010)<br />

Overvoltage Category IV (UL 61010)<br />

Operating Temperature Range 0°C to 130°C / 32°F to 266°F<br />

Wire Type<br />

UL rated operating temperature to 200ºC,<br />

600V rated, UL style 1199, 18 AWG, 10x30<br />

stranded<br />

9 POWER<br />

MONITORING<br />

Siemens Industry, Inc. SPEEDFAX Product Catalog 9-29<br />

12

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