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MERSEN FUSE 1000VDC 4A MIDGET PV FUSE HP10M4
Mersen HP10M4 gPV photovoltaic fuse rated at 4 A and 1000 V DC with ferrule terminals for clip mounting, designed for protecting photovoltaic strings and solar DC circuits.
£5.35
Why Choose the Mersen HP10M4 Photovoltaic Fuse?
The Mersen HP10M4 is a compact, high-performance gPV photovoltaic fuse link specifically engineered to protect modern solar photovoltaic systems against overloads, line faults and ground faults. As part of the trusted Mersen HelioProtection® HP10M series, it provides dependable protection for photovoltaic strings, combiner boxes, inverter DC inputs and battery charging systems operating at up to 1000 V DC.
Rated at 4 A, the HP10M4 has been designed for the unique low fault-current conditions encountered in photovoltaic arrays. Its enhanced fuse construction provides excellent resistance to continuous temperature and current cycling, helping maximise system reliability and extend the operational life of solar installations.
Featuring ferrule terminals for clip mounting, the HP10M4 installs easily into compatible 10 × 38 mm photovoltaic fuse holders. It is suitable for residential, commercial and utility-scale renewable energy installations requiring reliable full-range gPV protection.
Key Advantages
- Purpose-designed gPV fuse for photovoltaic applications.
- 4 A rated current for low-current PV string protection.
- 1000 V DC operating voltage.
- Designed for low photovoltaic fault-current interruption.
- 50 kA DC breaking capacity.
- Excellent resistance to temperature and current cycling.
- Ferrule terminals for straightforward clip mounting.
- Complies with IEC 60269-6, UL 2579 and CSA C22.2 requirements.
Key Features
- Mersen HelioProtection® HP10M series.
- Model: HP10M4.
- 4 A rated current.
- 1000 V DC rated voltage.
- gPV full-range photovoltaic characteristic.
- 10 × 38 mm cylindrical fuse body.
- Ferrule terminals for clip mounting.
- Suitable for PV string and inverter protection.
- Low minimum breaking current capability.
- RoHS compliant construction.
Reliable Protection for Solar PV Systems
Photovoltaic arrays continue generating electrical power whenever exposed to sunlight, making specialist DC overcurrent protection essential. The HP10M series has been specifically developed to interrupt the relatively low fault currents encountered in photovoltaic installations safely while protecting cables, combiner boxes, inverter inputs and associated equipment.
The HP10M4 is ideal for protecting low-current photovoltaic strings and other critical DC circuits in residential, commercial and industrial renewable energy systems. Its durable construction provides excellent performance under repeated thermal cycling and continuous outdoor operation.
Typical Applications
- Photovoltaic string protection.
- PV combiner boxes.
- Solar inverter DC input protection.
- Battery charging systems.
- Residential rooftop solar installations.
- Commercial photovoltaic systems.
- Utility-scale solar farms.
Technical Specifications
Tick the specs you need, then view products that match.
| Voltage | 1000 V | |
|---|---|---|
| Current | 4 A | |
| Device Type | Fuse link | |
| Fuse Type | PV (gPV) | |
| Fuse Class | gPV | |
| Manufacturer | Mersen | |
| Series | HelioProtection® HP10M | |
| Model | HP10M4 | |
| Product type | Photovoltaic fuse link | |
| Fuse characteristic | gPV | |
| Rated current | 4 A | |
| Rated voltage | 1000 V DC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 50 kA DC | |
| Minimum breaking current | Approx. 1.35 × rated current | |
| Fuse dimensions | 10.4 × 38.1 mm | |
| Connection type | Ferrule terminals | |
| Mounting type | Clip mounting | |
| Product weight | Approx. 0.0091 kg | |
| EAN / UPC | 782001429881 | |
| Compliance | RoHS compliant | |
| Standards | IEC 60269-6, UL 2579 and CSA C22.2 | |
| HS Code | 85361010 | |
| Country of Manufacture | Mexico |
Frequently Asked Questions
What is the Mersen HP10M4 used for?
The HP10M4 protects photovoltaic strings, combiner boxes, inverter inputs and other solar DC circuits against overloads and short circuits.
What are the voltage and current ratings?
The fuse is rated at 4 A and 1000 V DC.
What type of fuse is the HP10M4?
It is a gPV photovoltaic fuse specifically designed to provide full-range protection for solar photovoltaic installations.
How is the fuse mounted?
The HP10M4 features ferrule terminals and is designed for installation in compatible clip-mounted 10 × 38 mm fuse holders.
Which standards does this fuse comply with?
The HP10M4 complies with IEC 60269-6, UL 2579 and CSA C22.2 photovoltaic fuse standards.
Trusted by Solar Professionals Worldwide
Mersen HelioProtection® photovoltaic fuses are trusted worldwide by renewable energy engineers, solar installers and panel builders for dependable DC circuit protection in modern photovoltaic systems.
