Mersen A30QS400-4IL - Low Voltage Fuse 400A (200kA AIC @ 300V)

Mersen A30QS400-4IL is a low-voltage current-limiting fuse from the Amp-Trap family, designed for high-speed circuit protection in industrial power distribution systems. Rated for 300V AC/DC operation with a 400A current capacity, this bolt-in fuse features a 1.5-inch diameter single-barrel construction capable of interrupting 200kA short-circuit currents. Its current-limiting design provides fast-acting protection against overloads and short circuits while meeting stringent industrial safety standards. The fuse is commonly used in motor control centers, switchgear, and other heavy-duty electrical equipment requiring reliable overcurrent protection.

Key Features & Specifications

• Type: Current-limiting low-voltage fuse with high-speed operation
• Voltage Rating: 300V AC/DC
• Current Rating: 400A
• Diameter: 1.5 inches
• Connection: Bolt-in terminal
• AIC Rating: 200kA @ 300V
• Standards: UL/CSA recognized
• Applications: Industrial power distribution, motor protection, switchgear
• Family: Amp-Trap
• Barrels: 1
• Velocity: High-speed interruption

Product Identification

• UPC: 78200129578
• GTIN: 00782001295783