3US6640-3E

Product ID:122464
Updated: 2026/7/2
Siemens 3US6640-3E

Key Features

  • 1Ensure precise motor protection with a 10A tripping class.
  • 2Operate reliably with a wide voltage range up to 380V.
  • 3Enhance system reliability using the thermal memory function.
  • 4Save panel space with a compact and versatile design.
  • 5Invest in durable performance built with advanced technology.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Operating Ambient Temperature
-40~+70°C
Operating Altitude
2000m
Rated Voltage
AC400V
Matching Contactor
S10/S12 [3TS54/55/56]
Mounting Method
Plug-in Installation with Contactor
Specification
S10/S12
Load Class
CLASS 10
Current Setting Range
250-400A
Rated Current (AC-3)
Maximum 400A for S10/S12 Size
Product Series
3US5/6 Series
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3US6640-3E

Specifications may be subject to change without notice

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