3US5840-2E

Product ID:116061
Updated: 2026/7/2
Siemens 3US5840-2E

Key Features

  • 1Ensure precise tripping with high-accuracy 10A class reliability.
  • 2Protect circuits across a versatile 25-40 A current range.
  • 3Integrate easily using a compact, space-saving design.
  • 4Gain comprehensive control via 1 NO + 1 NC contact configuration.
  • 5Simplify installation with compatibility for 3TS47-50 AUX contacts.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Operating Ambient Temperature
-40~+70°C
Operating Altitude
Up to 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
25-40A
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
3US5840-2E

Specifications may be subject to change without notice

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