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MERSEN FUSE 1000VDC T123 gPV 400A DC123GPV10C400E
Mersen G1004002 DC123GPV11C400E square-body gPV photovoltaic fuse rated at 400 A and 1200 V DC for commercial and utility-scale solar installations.
£201.80
Why Choose the Mersen G1004002 DC123GPV11C400E Photovoltaic Fuse?
The Mersen G1004002 is a heavy-duty gPV photovoltaic fuse-link engineered to provide dependable overcurrent protection for high-power solar installations operating at up to 1200 V DC. As part of the trusted Mersen HelioProtection® DC120-123 series, it is specifically designed to protect photovoltaic strings, combiner boxes, inverter inputs and associated DC cabling against overloads and short circuits.
Designed in accordance with IEC 60269-1 and IEC 60269-6, the DC123GPV11C400E provides full-range gPV protection for demanding photovoltaic applications. Its robust square-body construction offers excellent thermal performance and dependable interruption of DC fault currents, helping maximise system reliability whilst protecting valuable renewable energy equipment.
With a 400 A current rating, 1200 V DC voltage rating and 100 kA DC breaking capacity, the Mersen G1004002 is ideally suited to commercial, industrial and utility-scale photovoltaic systems requiring dependable high-current protection.
Key Advantages
- Purpose-designed gPV fuse-link for photovoltaic protection.
- 400 A rated current for high-capacity PV installations.
- 1200 V DC voltage rating.
- 100 kA DC breaking capacity for reliable fault interruption.
- Protects photovoltaic strings, combiner boxes and inverter DC circuits.
- Square-body construction for demanding renewable energy applications.
- Manufactured by trusted circuit protection specialist Mersen.
Key Features
- Manufacturer: Mersen.
- Series: HelioProtection® DC120-123.
- Catalogue number: DC123GPV11C400E.
- Manufacturer part number: G1004002.
- Fuse type: Square-body gPV photovoltaic fuse-link.
- Rated current: 400 A.
- Rated voltage: 1200 V DC.
- Fuse size: 123.
- Full-range photovoltaic protection.
- Designed for commercial and utility-scale solar installations.
Reliable Protection for High-Power Solar Installations
Purpose-designed photovoltaic fuse-links provide essential protection against overloads and short circuits within DC solar arrays. Correctly specified gPV fuses help protect photovoltaic modules, combiner boxes, inverter equipment and associated cabling whilst improving system reliability and reducing maintenance costs.
The Mersen HelioProtection® DC120-123 range has been developed specifically for photovoltaic applications, combining high DC voltage capability with excellent fault interruption performance for demanding commercial and utility-scale renewable energy systems.
Typical Applications
- Photovoltaic string protection.
- Solar combiner boxes.
- Inverter DC input protection.
- Commercial rooftop photovoltaic systems.
- Utility-scale solar farms.
- Renewable energy distribution equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Voltage | 1000 V | |
|---|---|---|
| Fuse Indication | None | |
| Current | 400 A | |
| Device Type | Fuse link | |
| Fuse Type | PV (gPV) | |
| Fuse Class | gPV | |
| Manufacturer | Mersen | |
| Series | HelioProtection® DC120-123 | |
| Manufacturer part number | G1004002 | |
| Catalogue number | DC123GPV11C400E | |
| Product type | Square-body gPV photovoltaic fuse-link | |
| Rated current | 400 A | |
| Rated voltage | 1200 V DC | |
| Fuse characteristic | gPV | |
| Fuse size | 123 | |
| Breaking capacity | 100 kA DC | |
| Power dissipation at rated current | 84 W | |
| Indicator | Without striker indicator | |
| Standards | IEC 60269-1, IEC 60269-6 | |
| EAN | 3605340518542 |
Frequently Asked Questions
What is the Mersen G1004002 used for?
The Mersen G1004002 protects photovoltaic DC circuits against overloads and short circuits in commercial and utility-scale solar installations.
What is the current rating of this fuse?
This fuse has a 400 A rated current.
What voltage is this fuse designed for?
The DC123GPV11C400E is designed for photovoltaic systems operating at up to 1200 V DC.
What is the breaking capacity of this fuse?
The fuse provides a maximum 100 kA DC breaking capacity for dependable interruption of high DC fault currents.
Which standards does this fuse comply with?
The fuse complies with IEC 60269-1 and IEC 60269-6 photovoltaic fuse standards.
Trusted by Renewable Energy Professionals
Mersen HelioProtection® photovoltaic fuse-links are trusted worldwide by solar installers, EPC contractors and renewable energy engineers for dependable protection of commercial and utility-scale photovoltaic systems.
