SiemensFuses
In Stock

3NA3665

Product ID:148114
Updated: 2026/8/17
Siemens 3NA3665

Key Features

  • 1Deliver high-current protection rated for 500A.
  • 2Provide dual-voltage coverage for 500V AC and 400V DC systems.
  • 3Enable easy visual monitoring with a front indicator.
  • 4Ensure safe installation with live grip lugs.
  • 5Guarantee reliable performance with gG characteristic.

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Technical Specifications

Detailed engineering parameters

ParameterValueParameterValue
Description
NH Fuse Size 4a gG/gL 500A 500VAC/400VDC
Rated Voltage
500VAC/440VDC
Type
gG/gL [Full-range protection for cables and wires (overload protection & short-circuit protection)]
Rated Current In(A)
500
Specifications
Size: 4a [500-1250]
Lifecycle
Delivery Release (PM300)
Country of Origin
Germany
ECCN
N
AL
N
Model Number
3NA3665

Specifications may be subject to change without notice

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