Fuse Amp-Trap® 600V 1200A Time-Delay Class L A4BT Series

Fuse Amp-Trap® 600V 1200A Time-Delay Class L A4BT Series РCurrent-Limiting Fuse The Fuse Amp-Trap A4BT Series is a current-limiting fuse designed for protecting mains, feeders, motors, motor controllers, and transformers in electrical distribution and switchgear applications. It features a high interrupting rating and a 10-second time-delay at 500% of its ampere rating, making it suitable for loads with high inrush currents. This fuse supports AC voltages up to 600V and DC voltages up to 500V, providing reliable protection for wire and cable circuits in demanding industrial environments. Specifications Manufacturer: Mersen Amperage Rating: 1200 A Voltage Rating: 600 VAC, 500 VDC Interrupt Rating: 200 kA AC, 100 kA DC Frequency: 50 hertz Fuse Class: Class L Connection Type: Blade Mounting Type: Bolted Dimensions: Length 10.75 in, Diameter 2.5 in, Width 2.5 in, Height 2.5 in Insulation Material: Glass Melamine (GMG) Product Weight: 4.27 lbs Features Current-limiting design reduces damage during fault conditions Full 10-second time delay at 500% of fuse rating for high inrush current loads Unique dimensions prevent replacement by other fuse classes, ensuring correct application Blade-stamped catalog numbers for permanent identification Glass melamine body with plated terminals for enhanced reliability in harsh environments UL Listed and CSA Certified for safety and compliance Downloads & Links primary_spec_sheet Curves 1 Drawings Spec Sheet FR Curves 2 Spec Sheet