3KF4440-4RF11

Product ID:177601
Updated: 2026/7/3
Siemens 3KF4440-4RF11

Key Features

  • 1Protect circuits with a 400A load switch designed for NH fuse sizes 1 and 2.
  • 2Enhance operator safety using the right-side wall-mounted drive mechanism.
  • 3Simplify panel integration with a basic unit featuring a compact, flat-terminal design.
  • 4Ensure reliable isolation for applications requiring emergency switching-off mechanisms.
  • 5Rely on Siemens engineering for durable performance backed by a comprehensive warranty.

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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 Mounting
Mounting Type
Surface Mounting
Fuse Specification
Size: 1/2
Terminal Type
Flat Terminal
Poles
4P
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
3KF4440-4RF11

Specifications may be subject to change without notice

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