Description
Egis MRBF Terminal Fuse - 250A | Boat Supply Store
Safeguard high-amperage DC electrical systems against catastrophic failure with the Egis MRBF Terminal Fuse, engineered for extreme marine environments. This fuse provides essential protection with a robust, sealed design featuring IP66 ingress protection and SAE/J1171 ignition protection, ensuring reliable operation even in the presence of explosive gases. Its high interrupt ratings, such as 10,000A @ 14VDC, are crucial for satisfying ABYC requirements for main circuit protection on larger, parallel battery banks, offering unparalleled safety and performance for demanding applications.
Key Features
- Superior Protection against short circuits and over-current events.
- Ignition Protected per SAE/J1171-ISO8846 standards for safe installation in potentially hazardous areas.
- High Interrupt Rating (up to 10,000A @ 14VDC) meets ABYC requirements for robust DC main circuit protection.
- Sealed Design with IP66 ingress protection, guarding against dust and water intrusion.
- Visual Fuse Status via transparent housing allows for quick inspection.
- Harsh Environment Ready with excellent shock and vibration resistance.
- Versatile Voltage Support for 12V to 48V nominal DC systems (58 VDC max).
- Extended Reliability backed by a comprehensive 4-year warranty.
Specifications
| Product Specifications | |
|---|---|
| Continuous Current | 250 Amp |
| Max Voltage | 58 VDC |
| Interrupt Rating @ 14 VDC | 10,000A |
| Interrupt Rating @ 48 VDC | 5,000A |
| Interrupt Rating @ 58 VDC | 2,000A |
| Ingress Protection | IP66 |
| Ignition Protection | SAE/J1171-ISO8846 |
Who This Is For
Ideal for marine electricians and boat owners requiring robust, ignition-protected DC circuit protection for high-amperage battery systems. RV manufacturers also benefit from its safety and reliability in demanding vehicle applications.
How It Compares
| Feature | Egis MRBF Terminal Fuse - 250A | Competitor |
|---|---|---|
| Continuous Current (Amps) | 250 | 250, 250 |
| Max Voltage (VDC) | 58 | 48, 32 |
| Interrupt Rating @ 14 VDC (Amps) | 10,000 | 10000, 10000 |
| Ignition Protected | Yes | Yes, No |
| Ingress Protection | IP66 | IP67, null |
| Warranty | 4-Year | 1-Year, null |
Common Concerns Answered
Is this fuse significantly more expensive than standard automotive fuses?
While the Egis MRBF Terminal Fuse may have a higher initial cost than non-marine specific or standard automotive fuses, its specialized marine-grade construction, high interrupt ratings, ignition protection, and robust sealing justify the investment for critical DC systems where safety and reliability are paramount. The 4-year warranty further enhances its long-term value proposition.
Where can I find this fuse if my local store doesn't stock it?
Due to its specialized nature and high performance, the Egis MRBF Terminal Fuse is often available through authorized marine electronics dealers and specialized electrical suppliers online. BoatSupplyStore.com is a leading source for these critical components.
Can I use this fuse if my battery bank is not exceptionally large?
The Egis MRBF Terminal Fuse is designed for high-amperage applications, but its robust features like ignition protection and IP66 sealing offer superior protection regardless of battery bank size. For systems operating at 250 amps or requiring ABYC compliance, it remains an excellent choice.
Frequently Asked Questions
What is the continuous current rating of the Egis MRBF Terminal Fuse?
The Egis MRBF Terminal Fuse is rated for a continuous current of 250 Amps.
What is the maximum voltage supported by this fuse?
This fuse supports a maximum voltage of 58 VDC, making it suitable for 12V, 24V, 36V, and 48V nominal systems.
What are the interrupt ratings at different DC voltages?
The Egis MRBF Terminal Fuse has an interrupt rating of 10,000A at 14VDC, 5,000A at 48VDC, and 2,000A at 58VDC.
Is this fuse ignition protected?
Yes, the Egis MRBF Terminal Fuse is ignition protected according to SAE/J1171 and ISO8846 standards, ensuring safe operation in potentially explosive atmospheres.
What is the ingress protection rating of the Egis MRBF Terminal Fuse?
The Egis MRBF Terminal Fuse features an IP66 ingress protection rating, signifying that it is sealed against dust ingress and protected against powerful water jets.
