3US5840-2E

Product ID:116061
Updated: 2026/4/3
Siemens 3US5840-2E

Key Features

  • 1Ensure precise tripping with high-accuracy 10A class reliability. 2、Protect circuits across a versatile 25-40 A current range. 3、Integrate easily using a compact, space-saving design. 4、Gain comprehensive control via 1 NO + 1 NC contact configuration. 5、Simplify installation with compatibility for 3TS47-50 AUX contacts.
Product Details
3US5840-2E
Siemens

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