1000V DC Knife Blade Solar Fuse | 32A–450A gPV Photovoltaic Fuse Kit
1000V DC Knife Blade Solar Fuse | 32A–450A gPV Photovoltaic Fuse Kit
The blade-type gPV DC fuse is purpose-built for 1000V photovoltaic DC systems, covering a broad current selection spanning 32A up to 450A. The blade plug-in contact design streamlines swap-out and installation, paired with quartz-sand internal arc suppression to reliably put out persistent DC fault arcs. Corrosion-resistant tinned copper blade contacts cut contact heating under heavy continuous loads. Flame-retardant compatible fuse bases support panel, busbar and DIN rail mounting, deployed for rooftop solar arrays, utility solar farms, combiner boxes and solar energy storage cabinets for branch string and high-current main bus protection.
The blade-type gPV DC fuse is purpose-built for 1000V photovoltaic DC systems, covering a broad current selection spanning 32A up to 450A. The blade plug-in contact design streamlines swap-out and installation, paired with quartz-sand internal arc suppression to reliably put out persistent DC fault arcs. Corrosion-resistant tinned copper blade contacts cut contact heating under heavy continuous loads. Flame-retardant compatible fuse bases support panel, busbar and DIN rail mounting, deployed for rooftop solar arrays, utility solar farms, combiner boxes and solar energy storage cabinets for branch string and high-current main bus protection.
1. Product Overview
This blade-form photovoltaic dedicated DC fuse follows gPV industry tripping standards, rated at 1000 VDC with segmented current specs from 32A all the way to 450A. The flat blade terminal architecture delivers dependable plug-in electrical connectivity, simplifying routine fuse replacement inside solar combiner cabinets and busbar assemblies.
Internally filled with high-purity quartz sand for DC arc quenching, the fuse stops sustained high-temperature DC arcs triggered by PV reverse current, string short circuits and ground faults. A full lineup of matching flame-retardant fuse holders accommodates DIN rail snap-in, panel screw fastening and busbar bolt mounting layouts. The portfolio addresses low-current PV branch string protection all the way up to heavy-duty main busbar fault isolation for commercial solar plants and battery energy storage DC-side circuits.
2. Core Product Features
1. Complete graded current range: 32A – 450A
Stocked standard ampere ratings:
32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 200A, 250A, 315A, 350A, 400A, 450A
- 32A~100A: Small rooftop household & commercial PV panel branch string safeguarding
- 125A~250A: Mid-size combiner box trunk line protection
- 315A~450A: Central main busbar isolation for utility-scale ground solar farms
2. 1000VDC gPV photovoltaic specialized performance
3. Reliable blade plug-in contact architecture
- Tinned oxygen-free copper blade terminals lower contact resistance and suppress thermal buildup under sustained heavy current
- Precision blade dimensional tolerances ensure tight clamping against holder spring clips, mitigating loose-contact overheating in vibrating outdoor field sites
- Straight pull-out blade layout cuts maintenance downtime for fuse part swaps during scheduled solar array inspections
4. Quartz sand DC arc suppression filling
5. Versatile compatible fuse holder installation methods
- Standard 35 mm DIN rail clip mounting for compact residential combiner boxes
- Surface panel screw-down installation for outdoor weatherproof enclosures
- Bolt-on busbar fixed mounting for high-current centralized power distribution sections
6. Harsh outdoor environment durability
3. Working Conditions
- Rated system voltage: 1000 Volts DC
- Ambient operating temperature span: -30℃ ~ +75℃, suited for sun-exposed rooftop enclosures
- Altitude limit: Full rated performance below 2000 m elevation
- Permitted humidity: ≤95% non-condensing relative humidity
- Deployment locations: Weatherproof outdoor solar combiner boxes, indoor centralized PV distribution cabinets; prohibit permanent water submersion
4. Unified Technical Specifications
| Parameter | Standard Series Specification |
|---|---|
| Product Type | Blade-shaped gPV photovoltaic DC fuse link + matching holder |
| Nominal DC Voltage | 1000 VDC |
| Ampere Rating Coverage | 32 A to 450 A segmented grades |
| Tripping Standard | IEC 60269‑6 gPV photovoltaic fuse classification |
| Arc Quench Medium | High-purity quartz sand filler |
| Blade Contact Raw Material | Anti-corrosion tinned oxygen-free copper |
| Holder Housing Material | Flame-retardant engineering plastic |
| Mounting Choices | DIN rail, surface panel mount, busbar bolt fastening |
| Core Safety Functions | PV string overload cutoff, short-circuit fault isolation, reverse current block |
5. Typical Application Scenarios
- Residential rooftop solar panel individual branch circuit protection
- Commercial building rooftop photovoltaic combiner box wiring safeguarding
- Large ground-mounted solar farm primary busbar overcurrent mitigation
- Off-grid solar generation systems paired with lithium battery energy storage cabinets
- Agricultural solar water pumping DC power fault interruption
- Distributed solar street light independent PV loop overcurrent defense
6. Frequently Asked Questions (FAQ)
1. Why pick blade-type PV fuses over cylindrical cartridge PV fuses?
2. How to match the correct ampere rating to a PV panel string?
3. Can blade DC PV fuses substitute standard AC blade automotive fuses?
4. Are standalone fuse holders available for field retrofit projects?
5. Will the blade contact corrode at coastal seaside solar installations?
6. Is this blade fuse interoperable with mainstream industry PV hardware?
7. Technical Documentation & Support
Download the full datasheet for detailed specifications, wiring diagrams, and installation instructions.
Contact our engineering team for custom current voltage ratings or OEM/ODM solutions for projects.
Request a quote with your project details for bulk pricing, lead times, and compliance certifications.
1. Product Overview
This blade-form photovoltaic dedicated DC fuse follows gPV industry tripping standards, rated at 1000 VDC with segmented current specs from 32A all the way to 450A. The flat blade terminal architecture delivers dependable plug-in electrical connectivity, simplifying routine fuse replacement inside solar combiner cabinets and busbar assemblies.
Internally filled with high-purity quartz sand for DC arc quenching, the fuse stops sustained high-temperature DC arcs triggered by PV reverse current, string short circuits and ground faults. A full lineup of matching flame-retardant fuse holders accommodates DIN rail snap-in, panel screw fastening and busbar bolt mounting layouts. The portfolio addresses low-current PV branch string protection all the way up to heavy-duty main busbar fault isolation for commercial solar plants and battery energy storage DC-side circuits.
2. Core Product Features
1. Complete graded current range: 32A – 450A
Stocked standard ampere ratings:
32A, 40A, 50A, 63A, 80A, 100A, 125A, 160A, 200A, 250A, 315A, 350A, 400A, 450A
- 32A~100A: Small rooftop household & commercial PV panel branch string safeguarding
- 125A~250A: Mid-size combiner box trunk line protection
- 315A~450A: Central main busbar isolation for utility-scale ground solar farms
2. 1000VDC gPV photovoltaic specialized performance
3. Reliable blade plug-in contact architecture
- Tinned oxygen-free copper blade terminals lower contact resistance and suppress thermal buildup under sustained heavy current
- Precision blade dimensional tolerances ensure tight clamping against holder spring clips, mitigating loose-contact overheating in vibrating outdoor field sites
- Straight pull-out blade layout cuts maintenance downtime for fuse part swaps during scheduled solar array inspections
4. Quartz sand DC arc suppression filling
5. Versatile compatible fuse holder installation methods
- Standard 35 mm DIN rail clip mounting for compact residential combiner boxes
- Surface panel screw-down installation for outdoor weatherproof enclosures
- Bolt-on busbar fixed mounting for high-current centralized power distribution sections
6. Harsh outdoor environment durability
3. Working Conditions
- Rated system voltage: 1000 Volts DC
- Ambient operating temperature span: -30℃ ~ +75℃, suited for sun-exposed rooftop enclosures
- Altitude limit: Full rated performance below 2000 m elevation
- Permitted humidity: ≤95% non-condensing relative humidity
- Deployment locations: Weatherproof outdoor solar combiner boxes, indoor centralized PV distribution cabinets; prohibit permanent water submersion
4. Unified Technical Specifications
| Parameter | Standard Series Specification |
|---|---|
| Product Type | Blade-shaped gPV photovoltaic DC fuse link + matching holder |
| Nominal DC Voltage | 1000 VDC |
| Ampere Rating Coverage | 32 A to 450 A segmented grades |
| Tripping Standard | IEC 60269‑6 gPV photovoltaic fuse classification |
| Arc Quench Medium | High-purity quartz sand filler |
| Blade Contact Raw Material | Anti-corrosion tinned oxygen-free copper |
| Holder Housing Material | Flame-retardant engineering plastic |
| Mounting Choices | DIN rail, surface panel mount, busbar bolt fastening |
| Core Safety Functions | PV string overload cutoff, short-circuit fault isolation, reverse current block |
5. Typical Application Scenarios
- Residential rooftop solar panel individual branch circuit protection
- Commercial building rooftop photovoltaic combiner box wiring safeguarding
- Large ground-mounted solar farm primary busbar overcurrent mitigation
- Off-grid solar generation systems paired with lithium battery energy storage cabinets
- Agricultural solar water pumping DC power fault interruption
- Distributed solar street light independent PV loop overcurrent defense
6. Frequently Asked Questions (FAQ)
1. Why pick blade-type PV fuses over cylindrical cartridge PV fuses?
2. How to match the correct ampere rating to a PV panel string?
3. Can blade DC PV fuses substitute standard AC blade automotive fuses?
4. Are standalone fuse holders available for field retrofit projects?
5. Will the blade contact corrode at coastal seaside solar installations?
6. Is this blade fuse interoperable with mainstream industry PV hardware?
7. Technical Documentation & Support
Download the full datasheet for detailed specifications, wiring diagrams, and installation instructions.
Contact our engineering team for custom current voltage ratings or OEM/ODM solutions for projects.
Request a quote with your project details for bulk pricing, lead times, and compliance certifications.
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