High-Speed Fuse – 170M7309

The 170M7309 is a high-performance, square-body fuse from the Eaton Bussmann series, engineered for reliable protection of semiconductor devices such as diodes, thyristors, and IGBTs. With a rated current of 1250A and voltage rating of 690V AC, this Class aR fuse delivers exceptional breaking capacity of 100 kA, providing robust defense against short circuits.

This fuse is designed for industrial applications requiring fast-acting protection. Its non-indicating configuration and M10 mounting dimension make it well-suited for panel and system integration.

Specifications

• Model Code: FUSE 1250A 690V 3TN/80 AR

• Catalog Number: 170M7309

• Amperage Rating: 1250 A

• Voltage Rating: 690 V AC

• Breaking Capacity: 100 kA

• Fuse Class: aR (for semiconductor protection)

• Fuse Indicator: None (Non-Indicating)

• Fuse Size / Construction: Size 3

• Mounting Dimension: M10

• Current Type: AC

• Dimensions (mm): 160 (W) x 90 (D) x 74 (H)

• Weight: 1191 g

• UPC: 051712534338