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MERSEN FUSE 1000VDC NH2 gPV 250A K bolted HP10NH2GPV250B
Mersen J1048670 HP10NH2GPV250B 250 A gPV photovoltaic fuse-link rated at 1000 V DC, with an NH2 body, DIN blade terminals and a 50 kA breaking capacity.
£119.39
Why Choose the Mersen J1048670 Photovoltaic Fuse-Link?
The Mersen J1048670, catalogue reference HP10NH2GPV250B, is a high-performance 250 A photovoltaic fuse-link designed specifically to protect cables and electrical equipment in commercial and utility-scale solar power systems. Part of the proven Mersen HelioProtection® HP10NH series, it provides dependable overcurrent protection for photovoltaic circuits operating at up to 1000 V DC.
Photovoltaic installations can produce sustained reverse currents and unusual DC fault conditions that require dedicated protective devices. The J1048670 features a full-range gPV operating characteristic, enabling it to interrupt both lower-level photovoltaic overcurrents and high short-circuit currents before they damage array cables, combiner equipment or inverter inputs.
With its NH Size 2 construction, silver-plated copper DIN blade terminals and direct-mount format, this fuse-link is suitable for high-current renewable energy assemblies. Its 50 kA DC breaking capacity supports reliable fault interruption in demanding photovoltaic power distribution systems.
Key Advantages
- Special-purpose gPV fuse-link for photovoltaic circuit protection.
- 250 A current rating for high-power solar installations.
- 1000 V DC voltage rating under IEC and UL specifications.
- High 50 kA DC breaking capacity for dependable fault interruption.
- Full-range protection against PV overload and short-circuit currents.
- NH Size 2 format for high-current photovoltaic applications.
- Silver-plated copper DIN blade terminals support reliable direct mounting.
Key Features
- Mersen HelioProtection® HP10NH series.
- Catalogue number: HP10NH2GPV250B.
- Item number: J1048670.
- 250 A rated current.
- 1000 V DC rated voltage.
- 50 kA maximum DC breaking capacity.
- Full-range gPV speed and operating characteristic.
- NH Size 2 fuse-link construction.
- DIN-type silver-plated copper blade terminals.
- Direct-mount design for photovoltaic distribution assemblies.
Reliable Protection for High-Current Photovoltaic Systems
Large photovoltaic arrays require specialist DC protection because their fault-current behaviour differs from conventional AC distribution systems. A gPV fuse-link is designed to operate across the full range of photovoltaic fault currents, helping isolate a damaged circuit before excessive current affects connected cables and equipment.
The Mersen J1048670 is designed for main photovoltaic fuse applications, including the protection of grouped string cables when a short circuit occurs within an array. Its direct-mount DIN blade construction makes it suitable for integration into combiner boxes, inverter assemblies and high-current DC distribution equipment.
Typical Applications
- Utility-scale photovoltaic installations.
- Commercial solar power systems.
- PV group and array cable protection.
- Photovoltaic combiner and recombiner boxes.
- Central inverter input circuits.
- DC disconnect and distribution assemblies.
- High-current renewable energy equipment.
Technical Specifications
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| Voltage | 1000 V | |
|---|---|---|
| Current | 250 A | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN), PV (gPV) | |
| Fuse Size | NH2 | |
| Fuse Class | gPV | |
| Manufacturer | Mersen | |
| Series | HelioProtection® HP10NH | |
| Model | HP10NH2GPV250B | |
| Item number | J1048670 | |
| EAN | 3605340577914 | |
| Product type | Photovoltaic NH fuse-link | |
| Application class | gPV | |
| Rated current | 250 A | |
| Rated voltage | 1000 V DC | |
| Maximum breaking capacity | 50 kA DC at 1000 V | |
| Fuse size | NH2 | |
| Mounting type | Direct mounting | |
| Terminal type | DIN-type blades | |
| Terminal material | Silver-plated copper | |
| Frequency | 50 / 60 Hz | |
| Dimensions (L × W × H) | Approx. 150.1 × 51.1 × 63 mm | |
| Weight | Approx. 0.63 kg | |
| Power dissipation at rated current | 31 W | |
| Power dissipation at 0.7 × rated current | 12.9 W | |
| Standards | IEC 60269-6 and UL 2579 | |
| RoHS compliant | Yes | |
| HS Code | 85361090 |
Frequently Asked Questions
What is the Mersen J1048670 used for?
The J1048670 is used to protect high-current photovoltaic cables and associated DC equipment against overloads, reverse currents and short-circuit faults.
What is the current rating of this fuse-link?
The Mersen J1048670 has a rated current of 250 A.
What voltage can the J1048670 support?
This photovoltaic fuse-link is rated for DC systems operating at up to 1000 V.
What fuse size is the Mersen J1048670?
The J1048670 is an NH Size 2 fuse-link with DIN-type blade terminals for direct mounting.
What is the breaking capacity of this photovoltaic fuse?
The fuse has a maximum breaking capacity of 50 kA DC at 1000 V, allowing it to interrupt severe photovoltaic fault currents safely.
Trusted by Solar Energy Professionals
Mersen HelioProtection® fuse-links are widely used by solar engineers, panel builders and renewable energy contractors to provide dependable overcurrent protection for photovoltaic cables, combiner equipment and inverter circuits.
