Victron Energy MEGA fuse 250A - rated up to 80V
£7.00
Sale price
£7.00
Regular price
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Victron Energy MEGA fuse 250A - rated up to 80V
£7.00
Sale price
£7.00
Regular price
Shipping calculated at checkout.
VMG250-80
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Description
VICTRON ENERGY
Victron Energy MEGA Fuse 250A
High-Current DC Over-Current Protection | Rated Up to 80V Systems
The Victron Energy MEGA Fuse 250A (SKU: VMG250-80) is a high-quality DC fuse designed to provide essential over-current protection for demanding high-current electrical systems. Rated at 250 amps and suitable for systems up to 80V, this fuse is a critical component for safeguarding valuable equipment in various DC applications, including solar, off-grid, automotive, and marine setups.
As a vital safety accessory, the MEGA fuse is engineered to interrupt the circuit in the event of excessive current caused by short circuits, equipment faults, or overloads. This proactive protection helps prevent damage to batteries, inverters, charge controllers, and wiring, thereby reducing the risk of system failure or fire.
CRITICAL SAFETY COMPONENT: Always use appropriate fuse protection in DC electrical systems to prevent damage and ensure safety.
Key Features
| ▶ Reliable Over-Current Protection — Safeguards DC electrical circuits from damaging current surges. |
| ▶ High-Quality Construction — Manufactured by Victron Energy for dependable performance in demanding environments. |
| ▶ Wide DC Voltage Compatibility — Rated for use in systems up to 80V, suitable for various battery and solar setups. |
| ▶ Compact & Easy to Install — Designed for straightforward integration into compatible MEGA fuse holders. |
| ▶ Essential System Safety — Helps prevent costly damage to components and reduces fire risk. |
Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Victron Energy |
| Product Type | MEGA Fuse |
| Current Rating | 250A |
| Voltage Rating | Up to 80V DC |
| Terminal Size | M8 |
| Distance Between Terminals | 50.8mm |
| Dimensions (L x W) | 68.8 x 19 mm |
| Weight | 10g |
Typical Applications
| Application Area | Description |
|---|---|
| Solar & Wind Systems | Protection for connections between solar/wind charge controllers and battery banks. |
| Off-Grid Inverter Systems | Essential for DC input protection between off-grid inverters and batteries. |
| DC Power Distribution | Used in main DC power distribution or high-current charging circuits. |
| Automotive & Marine | Suitable for high-current DC applications in vehicles, boats, and other mobile setups. |
Built-In Protection Functions
The Victron Energy MEGA Fuse 250A provides essential over-current protection by acting as a sacrificial component in a DC electrical circuit. In the event of a short circuit, overload, or equipment fault, the fuse element melts, thereby safely interrupting the flow of excessive current. This prevents damage to more expensive components such as batteries, inverters, and cabling, and significantly reduces the risk of electrical fires. It is a fundamental safety device for any high-current DC system.
Common Questions
What is a MEGA fuse?
A MEGA fuse is a high-current, bolt-down style fuse commonly used in automotive, marine, and renewable energy DC systems. It is designed to protect circuits with high amperage requirements, typically from 30A up to 500A or more.
Why is fuse protection important in DC systems?
Fuse protection is crucial to prevent damage to electrical components and wiring from over-current conditions like short circuits or overloads. Without proper fusing, excessive current can lead to overheating, component failure, and potentially fire.
How do I choose the correct fuse rating?
The fuse rating should be selected based on the maximum continuous current draw of the circuit it protects, and the current carrying capacity of the wiring. It should be rated slightly higher than the normal operating current but lower than the maximum current the wiring and components can safely handle. Always consult equipment manuals and relevant electrical standards.
What type of fuse holder is compatible with this MEGA fuse?
This Victron Energy MEGA fuse requires a compatible MEGA fuse holder. These holders are specifically designed with M8 terminals to securely accommodate the fuse and ensure proper electrical contact.
Installation Notes
- Always disconnect all power sources before installing or replacing fuses.
- Ensure the fuse is installed in a compatible MEGA fuse holder with M8 terminals.
- Mount the fuse holder in a dry, protected location, away from direct moisture or excessive heat.
- Verify that all connections are clean, tight, and secure to prevent resistance and heat build-up.
- Never replace a fuse with one of a higher rating than specified for the circuit.
Before You Buy
- Verify Current Rating: Confirm that a 250A fuse is the correct rating for your specific application and circuit.
- Check Voltage Compatibility: Ensure your system voltage does not exceed the 80V rating of this fuse.
- Confirm Fuse Holder Type: This fuse requires a MEGA fuse holder; ensure you have or purchase the correct compatible holder.
- Consult System Documentation: Always refer to your equipment manuals and system design specifications for appropriate fuse selection.
- Safety First: If unsure about fuse selection or installation, consult a qualified electrician or solar professional.
Product specifications are subject to change by the manufacturer. Always verify compatibility and requirements before purchase and installation.
Return policy
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
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Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.