3US5840-2T

Product ID:115602
Updated: 2026/7/2
Siemens 3US5840-2T

Key Features

  • 1Protect motors reliably against overloads with a 40-57A tripping range.
  • 2Integrate easily into panels using 1 NO + 1 NC auxiliary contacts.
  • 3Ensure fast system response with Class 10 tripping performance.
  • 4Meet environmental standards with RoHS and WEEE compliance.
  • 5Simplify installation and reduce setup time with screw terminals.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Operating Ambient Temperature
-40~+70°C
Operating Altitude
2000m
Rated Voltage
AC400V
Matching Contactor
S3/S4 [3TS47/48/49/50]
Mounting Method
Plug-in installation with contactor
Specification
S3/S4
Load Class
CLASS 10
Current Setting Range
40-57A
Rated Current (AC-3)
Up to 105A for S3/S4 sizes
Product Series
3US5/6 Series
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3US5840-2T

Specifications may be subject to change without notice

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