3KF4440-4LF11

Product ID:218957
Updated: 2026/6/22
Siemens 3KF4440-4LF11

Key Features

  • 1Handle 400A loads in high-capacity 4-pole setups.
  • 2Operate safely using the door-coupling rotary mechanism.
  • 3Withstand harsh conditions with robust IP65 protection.
  • 4Integrate easily with standard LV HRC fuses.
  • 5Choose flexible floor or board mounting options.

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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 left side of the switch, surface mount
Mounting Type
Surface mount
Fuse Specification
Size: 1/2
Terminal Type
Flat terminal
Number of Poles
4P
In(A)
400
Specification
3KF4_400
Switch Type
Basic unit, side operation mechanism, no handle, operation mechanism module located on the left side of the switch
Lifecycle
Delivery Release (PM300)
Country of Origin
China
ECCN
N
AL
N
Model Number
3KF4440-4LF11

Specifications may be subject to change without notice

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