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The Littelfuse 876-199 is part of the ZCASE Single MEGA series of bolt-down fuses, designed for minimal footprint and high current applications up to 600A at 32V DC. This fuse features a time-current characteristic similar to the well-known MEGA design, suitable for full wire protection up to 250A and starter fuse applications for higher ratings.
The fuse is optimized for a one-bolt connection, using M6 terminals for 40A-250A ratings and M8 for 300A-600A ratings. It can be mounted directly on a battery post or busbar connection. The housing is made of PPA-GF33HS with tin-plated copper terminals.
Key electrical specifications include a voltage rating of 32V DC and an interrupting rating of 2000A at 32V DC. The operating temperature range is -40°C to +125°C. Mounting torque specifications are provided for both M6 (9.8 Nm ± 1.4 Nm) and M8 (14 Nm ± 2 Nm) connections.
Applications for this fuse include cars, SUVs, trucks, off-road vehicles, buses, and watercraft. Littelfuse offers complementary components such as studs and busbar connections.
The voltage rating is 32 V DC.
The interrupting rating is 2000 A at 32 V DC.
The recommended environmental temperature range is -40 °C to +125 °C.
The terminals are tin-plated copper, and the housing is PPA-GF33HS.
For M6 connections, the mounting torque is 9.8 Nm ± 1.4 Nm. For M8 connections, it is 14 Nm ± 2 Nm.
The typical voltage drop for the 40A version is 86 mV.
The typical cold resistance for the 40A version is 1.53 mΩ.