Description
The SCHURTER glass cartridge fuse is intended for overcurrent protection in electrical and electronic equipment designed for a compatible miniature fuse. Its glass body allows visual inspection of the internal fuse element, while the metal end caps provide electrical contact with a suitable fuse holder.
Product Specifications
| Specification | Details |
|---|---|
| Brand | SCHURTER |
| Product Type | Glass Cartridge Fuse |
| Nominal Size | 5 × 20 mm (To Be Confirmed for the Supplied Variant) |
| Voltage Rating | 250V AC (As Specified in the Product Name) |
| Mounting | Compatible Fuse Holder or Clips |
SCHURTER’s product range includes the FSF 5 × 20 mm quick-acting series and FST 5 × 20 mm time-lag series, both available in 250V AC versions. Their current ranges and breaking capacities differ, so these series specifications should not be assigned to this product without identifying the exact model.
Key Features
Glass Cartridge Construction
The transparent body allows the fuse element to be visually inspected. Visual inspection alone cannot confirm whether the fuse is electrically functional.
Miniature Fuse Format
The 5 × 20 mm format is commonly used in compatible electronic equipment and fuse holders. Confirm the dimensions before ordering a replacement.
Multiple Protection Characteristics
SCHURTER supplies quick-acting and time-lag fuse variants. Choosing the correct response characteristic is important for protecting the circuit while accommodating the equipment’s normal operating current.
Typical Applications
Depending on the exact rating and series, miniature glass fuses may be used in:
– Electronic equipment
– Instrumentation and measuring devices
– Compatible power supplies
– Electrical control circuits
– Equipment designed for miniature cartridge fuses

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