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This fuse has a current rating of 630A and a voltage rating of 690V AC. It safely breaks fault currents up to 200 kA and uses the aR usage category (partial range semiconductor protection) to respond quickly and effectively protect sensitive semiconductor components such as thyristors, rectifiers, etc. from short circuits and overload damage.
It is equipped with a combined fuse status indicator that can indicate whether the fuse is blown through a mechanical signal, making it easy to quickly identify fault points and reduce downtime. Its square body structure complies with DIN 43620 and is designed with knife-shaped terminals, allowing it to be securely mounted on a standard fuse base or bracket for reliable contact and easy installation.
During the breaking process, its pre-arc I²t values of 31000 and clear I²t values of 220000 (at 660V) reflect its ability to limit energy passage under fault conditions, which are crucial for protecting semiconductors. The fuse consumes about 45 watts. Its dimensions are approximately 150 mm (L) x 87 mm (H) x 71 mm (W) and its weight is approximately 1117 grams.
This fuse is CE marked, RoHS compliant, and UL recognized and IEC rated, indicating its compliance with international safety and quality standards.
It is ideal for use in drives, power converters/rectifiers, DC drives, and DC common buses where high-performance protection is required.
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