Description
The Littelfuse 0298400.ZXH is a heavy-duty MEGA®-series bolt-down fuse, engineered for extreme reliability in high-amperage electrical systems. Rated for 400A at 32VDC, this professional-grade fuse features copper terminals for superior conductivity and is the ultimate solution for protecting critical power circuits in automotive, marine, and industrial environments.
Designed for applications where ultra-high current protection is mandatory, this time-delay fuse safely handles massive power loads from battery feeds, alternators, and main power distribution hubs. Its robust bolt-down design ensures a permanent, low-resistance connection that effectively resists vibration and thermal shock, keeping your heavy-duty cable systems safe and operational.
Key Features
- Ultra-High Current Rating: Massive 400A capacity designed for the most demanding power distribution requirements.
- Superior Connectivity: Equipped with premium copper terminals to ensure maximum electrical conductivity and minimum voltage drop.
- Bolt-Down Reliability: Secure mounting configuration provides high-integrity connections essential for heavy-gauge cabling.
- Time-Delay Characteristic: Expertly manages temporary inrush current spikes to prevent nuisance blowing while maintaining total circuit safety.
- Industry Standard: Part of the trusted MEGA® 298 series, the go-to standard for heavy-duty automotive and industrial circuit protection.
Package Includes
- 1 x Littelfuse 0298400.ZXH MEGA® Automotive Bolt-Down Fuse (400A)
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 0298400.ZXH |
| Fuse Type | MEGA® Bolt-Down Automotive |
| Current Rating | 400A |
| Voltage Rating | 32V DC |
| Blow Characteristic | Time Delay |
| Terminal Material | Copper |
| Dimensions | 29.2 x 19 x 10.7 mm |
| Product Series | MEGA 298 Series |








![YFF31AH2A104MT0Y0N-TDK-Feedthrough Capacitor, 0.1 ?F, 100 V, 10 A, 1206 [3216 Metric], Surface Mount, ? 20%](https://www.spiderautomation.in/wp-content/uploads/2026/07/3416512-1-200x200.png)