Mersen C1057220 - Photovoltaic fuse gPV 1500VDC IEC 1500VDC UL Size 3L 250A With Striker With DIN Type Blades For Direct Mount
Mersen

C1057220

Alternate Item Number: HP15NH3LPV250BI


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Specification Sheet

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Overview

The Mersen C1057220 is a high-capacity gPV photovoltaic fuse, specifically engineered for the robust protection of photovoltaic (PV) systems. Designed for 1500VDC applications, this Size 3L fuse link, rated at 250A, is part of Mersen's HelioProtection® HP15NH series, renowned for its global acceptance and compliance with stringent IEC 60269-6 and UL 2579 PV standards. This particular model features DIN type blades for direct mounting, ensuring secure and reliable installation within PV arrays. It also includes a striker mechanism, providing a visual indicator of fuse operation after a fault, and is compatible with microswitches like the MC3E for remote indication. The fuse's construction is optimized for the unique demands of PV systems, offering low fault current interrupting capability and excellent temperature cycle withstand, contributing to enhanced system longevity and guaranteed operation across temperature extremes. Its direct mounting capability simplifies installation and reduces potential points of failure. The Mersen C1057220 is an essential component for safeguarding PV strings against short circuits and ground faults, ensuring the continuous and safe operation of both off-grid and grid-tied solar installations. With its substantial 1500VDC rating and 250A capacity, it is suited for main fuse protection in PV groups of chains when a short circuit occurs in a panel. Proudly manufactured in the US, this fuse link represents Mersen's commitment to providing reliable and advanced protection solutions for the renewable energy sector.
  • Mersen HelioProtection® HP15NH series photovoltaic fuse
  • 1500VDC, 250A, Size 3L gPV fuse link
  • DIN type blades for direct mounting
  • Includes striker for visual fault indication
  • Compliant with IEC 60269-6 and UL 2579 PV standards

Specifications

Amperage Rating
250 A
Application
All photovoltaic applications Inverter DC input protection Re-combiner applications (sub combiner, array combiner, master combiner)
Brand Name
Mersen
Connection
DIN Type Blades
Connection Material
Silver-Plated Copper
Connection Type
DIN Type Blades
Current Rating
250 A
DC Voltage Rating
1500 V
Material
Fuse
Mounting
Direct Mount
Mounting Type
Direct Mount
Series
HP15NH
Size
3L
Size
8.07 x 4.45 x 2.91 in
Size
205 x 113 x 74 mm
Special Features
Global acceptance Low fault current interrupting capability Temperature cycle withstand capability Durable construction for enhanced system longevity High efficiency with low power losses Available in 3 versions: plain blade, direct mounted, direct mounted with striker
Standard
IEC 60269-6 RoHS compliance UL 248-19 for fuses (pending for 1XL, 2XL) (E358319, Volume 1, Section 1) UL 4248-19 for fuseholders, Photovoltaic (E362644 Volume 1)
Sub Brand
HelioProtection®
Type
Photovoltaic Fuses
Type Of Indicators
Striker
Voltage Rating
1500 VDC
Package Dimensions (L x W x H)
8.07 in x 4.45 in x 2.91 in
Package Dimensions (L x W x H)
205 mm x 113 mm x 74 mm
Package Weight (Imperial)
3.660 lb
Package Weight (Metric)
1.660 kg
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POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.
9F61 Size B Clips 1.6in

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Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.