Bussmann 170M6689 - Class aR Fuse 350A@1250V (100kA AIC Rating)

Bussmann 170M6689 is a low-voltage current-limiting fuse designed for high-performance circuit protection in industrial power distribution systems. This FU115 class aR fuse features a 1250V AC rating with a 350A current capacity and 100kA interrupting rating at full voltage, housed in a durable NA Long configuration. Its compact 2 lb design incorporates precision-engineered elements for reliable fault current interruption, complying with stringent industry standards for electrical safety. The fuse is engineered for demanding applications including motor control centers, switchgear, and heavy industrial equipment requiring robust short-circuit protection.

Key Features & Specifications

• Type: Current-limiting low-voltage fuse (Class aR)
• Voltage Rating: 1250V AC
• Current Rating: 350A
• AIC Rating: 100kA@1250V
• Connection: NA Long
• Standards: UL/CSA certified
• Applications: Industrial power distribution, motor protection, switchgear
• Weight: 2 lb

Product Identification

• UPC: 05171226512
• GTIN: 00051712265126