Westcode 069UR1S0250B — Quick High‑Speed Fuse, 250 A, 690 VAC, Cartridge Style, For Power Semiconductor Protection, Pack of 3

The Westcode 069UR1S0250B is a quick (high‑speed) power fuse intended for fast clearing of overcurrents in power electronics and semiconductor protection applications. This listing is for a pack of 3 fuses rated for 690 VAC operation.

Key specifications

• Manufacturer / Brand: Westcode
• Manufacturer part number: 069UR1S0250B
• Product type: Quick (high‑speed) fuse / cartridge fuse
• Rated current: 250 A
• Rated voltage: 690 VAC
• Quantity: Pack of 3

Features & benefits

• Quick‑acting characteristic suitable for protecting power semiconductors and fast transient fault conditions.
• 690 VAC rating for use in medium‑voltage AC power systems.
• Supplied in a convenient pack of 3 for spares or multi‑phase installations.

Recommended applications

• Semiconductor protection (rectifiers, IGBT/MOSFET circuits)
• Power converters and inverters
• Industrial AC power distribution where fast clearing is required

Handling & installation notes

• Confirm compatibility with fuse holders/blocks and system interrupting ratings before installation.
• Replace with identical type and rating to maintain correct protection characteristics.
• Follow manufacturer datasheet and installation instructions for mounting and torque requirements.

Ordering & resources

• Order by Westcode 069UR1S0250B (pack of 3). Consult the Westcode/Mersen datasheet for full electrical characteristics, I2t curves, breaking capacity, utilization category and holder compatibility.