Product Model

3US5840-8W

In Stock
Last updated: 2025/4/19
Siemens 3US5840-8W

Selling Points

  • 1High Accuracy & Reliability: Designed to provide precise tripping class of 10 A for 70-88 A applications.
  • 2Compact Design: Small size 4 for easy integration into 3TS47-50 AUX. systems.
  • 3Versatile Contacts: Includes 1 NO + 1 NC contacts for flexible circuit protection.
  • 4Compliant with Regulations: Meets export control regulations and RoHS directive compliance.
  • 5Easy Installation: Quick setup with minimal packaging dimensions (69.00 x 90.00 x 146.00 MM).
Product Details
3US5840-8W
Siemens

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

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
70-88A
Rated Current (AC-3)
S3/S4 Size Maximum 105A
Product Series
3US5/6 Series
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3US5840-8W

Specifications may be subject to change without notice