Bussmann 170M7120 - GKN Fuse 1400A (690V, 200kA AIC)

Bussmann 170M7120 is a GKN-class low-voltage fuse designed for high-current circuit protection in industrial applications. It features a 690V AC voltage rating and 1400A current capacity with a 200kA interrupting rating at full voltage for reliable fault isolation. The fuse utilizes flush end contacts in a compact 1 lb design, constructed to meet aR class standards for fast-acting protection. Compliant with international electrical safety requirements, it is engineered for use in motor control centers, switchgear, and heavy-duty power distribution systems.

Key Features & Specifications

• Type: GKN fast-acting fuse with ceramic body and sand-filled arc quenching
• Voltage Rating: 690V AC
• Current Rating: 1400A
• Class Rating: aR (partial-range backup protection)
• AIC Rating: 200kA@690V
• Connection: Flush end contact
• Weight: 1 lb
• Standards: IEC 60269, UL 248
• Applications: Industrial switchgear, motor protection, power distribution