• Siemens SENTRON SEM3T Multichannel Temperature Measuring System
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Siemens SENTRON SEM3T Multichannel Temperature Measuring System

Siemens SENTRON SEM3T Multichannel Temperature Measuring System

The SEM3T system monitors temperatures at connection points in electrical installations using a DIN-rail data manager, metering modules and temperature sensors.

Key features

  • Data manager for thermal monitoring with Modbus TCP or Modbus TCP/Wi-Fi
  • 24 V DC supply, plug-in connectors, DIN-rail mounting
  • Metering modules plug into SEM3 meter racks, no configuration needed
  • Ring-lug sensors 1/4" to 1/2" and cylindrical sensor, 3 m cable extendable to 15 m
  • Temperature measuring range 0 to 130 °C

Specifications

Brand line SENTRON
System SEM3T
Supply 24 V DC
Measuring range 0 to 130 °C
Mounting DIN rail
Meter racks / cables US2:SEM3RACK.. / US2:SEM3CAB..
Source Siemens Catalog LV 10 · 2026, p. 842-843
7KT1281-0AA00 Component: Data manager | Details: Modbus TCP, 24 V DC
7KT1281-0AA10 Component: Data manager | Details: Modbus TCP/Wi-Fi, 24 V DC
7KT1281-1AA00 Component: Metering module | Details: For one temperature sensor
7KT1281-2SA00 Component: Temperature sensor, ring cable lug | Details: Lug size 1/4", 3 m cable
7KT1281-2SA01 Component: Temperature sensor, ring cable lug | Details: Lug size 5/16", 3 m cable
7KT1281-2SA02 Component: Temperature sensor, ring cable lug | Details: Lug size 3/8", 3 m cable
7KT1281-2SA03 Component: Temperature sensor, ring cable lug | Details: Lug size 1/2", 3 m cable
7KT1281-2CA00 Component: Temperature sensor, cylindrical | Details: 3 m cable
Power MetersSiemens
8 product codes available in this family
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Siemens SENTRON SEM3T Multichannel Temperature Measuring System

Brand Siemens·Power Meters

Available part numbers (8)

7KT1281-0AA00, 7KT1281-0AA10, 7KT1281-1AA00, 7KT1281-2SA00, 7KT1281-2SA01, 7KT1281-2SA02, 7KT1281-2SA03, 7KT1281-2CA00

How to order

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Product codes & specifications
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Product codeSpec
7KT1281-0AA00Component: Data manager | Details: Modbus TCP, 24 V DC
7KT1281-0AA10Component: Data manager | Details: Modbus TCP/Wi-Fi, 24 V DC
7KT1281-1AA00Component: Metering module | Details: For one temperature sensor
7KT1281-2SA00Component: Temperature sensor, ring cable lug | Details: Lug size 1/4", 3 m cable
7KT1281-2SA01Component: Temperature sensor, ring cable lug | Details: Lug size 5/16", 3 m cable
7KT1281-2SA02Component: Temperature sensor, ring cable lug | Details: Lug size 3/8", 3 m cable
7KT1281-2SA03Component: Temperature sensor, ring cable lug | Details: Lug size 1/2", 3 m cable
7KT1281-2CA00Component: Temperature sensor, cylindrical | Details: 3 m cable

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