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TE Connectivity / ENTRELEC FU103 1SNA167087R1200 is a 1 A, 500 V slow-blow aM cylindrical cartridge fuse in a 10.3 x 38 mm format for industrial electrical circuit protection.
The TE Connectivity / ENTRELEC FU103 1SNA167087R1200 is a compact 10.3 × 38 mm cylindrical cartridge fuse designed for industrial electrical protection and use with compatible ENTRELEC fuse terminal blocks and holders. Rated at 1 A, it provides dependable protection for control, auxiliary and equipment circuits where a low-current fuse is required.
This FU103 variant features a slow-blow aM operating characteristic, allowing it to tolerate temporary current surges and inrush currents without unnecessary operation. This makes it particularly suitable for circuits and loads where short-duration current peaks are expected during normal operation.
With a rated voltage of 500 V and the widely used 10.3 × 38 mm cylindrical format, the FU103 1A fuse is straightforward to integrate into compatible industrial fuse holders. Its replaceable design supports efficient maintenance in control panels, automation equipment and electrical distribution systems.
Cylindrical fuses protect wiring and electrical equipment by interrupting excessive current before sustained overcurrent can damage connected components. The slow-blow characteristic of the FU103 1SNA167087R1200 enables short-duration inrush currents to pass while retaining protection against prolonged overload or fault conditions.
Its standard 10.3 × 38 mm cylindrical construction allows straightforward use with compatible industrial fuse holders and fuse terminal blocks, making it suitable for both new control-panel assemblies and replacement maintenance in existing electrical systems.
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| Terminal Type | Fuse | |
|---|---|---|
| Product Series | TE SNA | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | FU103 | |
| Model | FU103 1A Slow-Blow | |
| Manufacturer part number | 1SNA167087R1200 | |
| Product type | Cylindrical cartridge fuse | |
| Rated current | 1 A | |
| Rated voltage | 500 V | |
| Fuse characteristic | Slow-blow / aM | |
| Fuse size | 10.3 × 38 mm | |
| Fuse length | 38 mm | |
| Fuse diameter | 10.3 mm | |
| Application | Industrial circuit and equipment protection | |
| Pack quantity | 10 | |
| EAN | 3472591670875 |
It is a 10.3 × 38 mm cylindrical cartridge fuse from the ENTRELEC FU103 range, designed for industrial electrical circuit protection.
The FU103 1SNA167087R1200 has a nominal current rating of 1 A.
The fuse is rated for operation at up to 500 V.
It uses the standard 10.3 × 38 mm cylindrical cartridge fuse format.
The 1SNA167087R1200 is a slow-blow aM fuse, designed to tolerate temporary current peaks while providing protection against sustained excessive current.
The TE Connectivity / ENTRELEC 1SNA167087R1200 is supplied in a pack quantity of 10.
TE Connectivity / ENTRELEC fuse products provide compact and dependable circuit protection for industrial control, automation and power distribution equipment, supporting reliable operation and straightforward maintenance of electrical installations.
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