3KF4340-4RF11

Product ID:181322
Updated: 2026/8/16
Siemens 3KF4340-4RF11

Key Features

  • 1Ensure safe and reliable switching operations under load.
  • 2Simplify setup and integration with existing electrical infrastructure.
  • 3Mount flexibly with side operating mechanism options.
  • 4Achieve compatibility for LV HRC fuse applications.
  • 5Build long-lasting performance with durable materials.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
DC Insulation Voltage (V)
220VDC/440VDC
AC Rated Voltage (V)
690
Insulation Voltage (V)
1000
Description
3KF LV HRC (General Fuse), Rated Current 400A, Basic Unit — Side Operation Mechanism, No Handle, Operation Mechanism Module Located on the Right Side of the Switch, Surface Mount
Mounting Type
Surface Mount
Fuse Specification
Size: 1/2
Terminal Type
Flat Terminal
Poles
3P
In(A)
400
Specification
3KF4_400
Switch Type
Basic Unit, Side Operation Mechanism, No Handle, Operation Mechanism Module Located on the Right Side of the Switch
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3KF4340-4RF11

Specifications may be subject to change without notice

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