LV HRC fuse element, NH1, In: 200 A, gG, Un AC: 500 V, Un DC: 440 V, Combined indicator, live grip lugs
Category: SIEMENS Simatic Control Systems
Specifications
SKU
3NA7140
Details
The Siemens 3NA7 140 is a industrial-grade 200 Amp Low-Voltage High-Rupturing Capacity (LV HRC) fuse link designed for system and line protection. Part of the trusted Siemens SENTRON line, it safely shuts down electricity when there is an overload or a dangerous short circuit.
Technical Specifications
- Current Rating: 200 A
- Fuse Size: NH1 (Size 1)
- Voltage Ratings: 500 V AC / 440 V DC
- Operating Class: gG (General purpose protection for cables and conductors)
- Breaking Capacity: 120 kA
- Contact Design: Non-corroding, silver-plated blade contacts
- IP Rating: IP20 (When conductors are connected)
Key Features
- Combined Indicator: The fuse features a clear visual indicator that changes color from red to white to signal when the fuse has tripped.
- Live Grip Lugs: Built with live (non-insulated) metal grip lugs for easy extraction and replacement using an insulated fuse handle.
- High Breaking Capacity: It can safely handle massive electrical fault currents up to 120,000 Amps without exploding.
Where to Buy
If you are looking to purchase or find technical documents, you can check these official and industrial supply platforms:
- For global specifications and manual downloads, visit the official Siemens SiePortal.
- For quick procurement and stock tracking, check components distributors like GEASB.
Would you like help finding a compatible fuse base for this unit, or do you need the dimensional CAD drawings?
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