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3NA3475
The Siemens 3NA3475 fuse element belongs to the SENTRON series, designed specifically for NH4 fuse systems. It operates at a supply voltage of 500/440 volts, featuring a notable breaking capacity of 120 kA.
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Technical specifications for 3NA3475
| Manufacturer | Siemens |
|---|---|
| Product Line | SENTRON |
| Part Number | 3NA3475 |
| UPC | 754554371153 |
| Weight | 2.69 lbs (1.22 kg) |
| Product | Fuse Element |
| Size of Fuse System | NH4 |
| Mounting Type | Non-insulated grip lugs |
| Supply Voltage | 500/440 V |
| Protection Class | IP20 |
| Breaking Capacity | 120 kA |
| Power Loss | 59 W |
| Width of Enclosure | 101.8 mm |
| Mounting Position | Any |
| Indicators | Front Indicators |
| Switching Contact | Non-corroding |
The Siemens 3NA3475 is a crucial fuse element within the SENTRON series, designed for use with NH4 fuse systems. This device operates effectively at supply voltages of either 500 volts or 440 volts. One of the defining features of this fuse element is its impressive breaking capacity of 120 kilowatts, allowing it to handle significant fault currents and enhance safety.
The unit is designed with non-insulated grip lugs for straightforward mounting. It supports installation at any orientation, providing flexibility tailored to specific application needs. With an enclosure width of 101.8 mm, the fuse is compact yet retains its performance. The total power loss during operation is measured at 59 watts, ensuring effective thermal management under standard working conditions.
With a weight of 2567 grams, this fuse element is robust and engineered to withstand industrial environments. Its IP20 protection class indicates suitability for areas with minimal dust and moisture exposure. Additionally, it incorporates front indicators for easy visual reference of operational status and features non-corroding switching contacts for reliable long-term performance.
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