Cylindrical and NH gPV ranges PV Fuse Offering Cylindrical and NH gPV ranges Emmanuelle Delcambre, Product Manager, March 2017 Owner: x Presentation for : Idea / G0 / G1 / G2 / G3 Team: tbc

Contents PV Installation Solar Market PV Fuse Standard Application Overview Customer type and Channel MERSEN PV Fuse & Holder offer Communication Tools

View of a PV Installation String / array box String/ array box Recombiner box/ DC side of Inverter Chain group Recombiner box / DC side of inverter

View of a PV Installation This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

Solar Market Segmentation Rooftop solar installations No fuse needed up to 3 strings which represents the main market Rooftop solar installations with a string protection combiner box usually directly connected to the inverter 1000VDC Market Ground solar installations with string protection combiner boxes sometime recombiner boxes main fuses in the DC side of the inverter or in a separate DC combiner box will transition from 1000VDC to 1500VDC within 2-3 years Residential 5-36kW Commercial & Industrial 36-250kW Solar Farms over 250kW This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

Solar Market Rooftop solar installations will stay in 1000VDC Most of utility - scale solar installations will transition from 1000VDC to 1500VDC Within 2-3 years Rooftop solar installations will stay in 1000VDC This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

Solar Market Most of utility- scale solar installations will transition from 1000VDC to 1500VDC Within 2-3 years Rooftop solar installations will stay in 1000VDC This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

IEC 269-6 and UL 248-19 PV Standard for FUSE Time-current Characteristics : IEC gates : Non melting current : INF = 1,13xIn Melting current : IF = 1,45xIn UL gates : Non melting current : INF = In Melting current : IF = 1,35xIn Mersen gates : (when IEC and UL) Non melting current @1h : INF = 1,13xIn Melting current @1h : IF = 1,35xIn

Application Overview String combiner box:

Application Overview DC Combiner BOX : In a separate cabinet Or part of the Inverter, on the DC side.

Customer Type and Channel PV fuse Protection at string Level or recombination: Decision: Protection defined by EPC or their engineering cabinets and subcontracted to panel builders, or designed and purchased by panel builders for high power ground solar farms. Protection defined by inverter manufacturer, integrated, or subcontracted by EPC to Panel builders for medium size inverters Protection not needed for small power (<15kW usually) Channel: Inverter manufacturers of medium size converters EPC Engineering cabinets Panel builders in direct or through distribution Maintenance contractors of solar plants This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

Customer Type and Channel PV fuse Protection at Inverter Level: Decision: Mainly by Inverter manufacturer: Sometimes by specific panel builders or Solar Engineering specialist but usually validated by the inverter manufacturers when DC protection not included in the Inverter. Sales channel : Inverter manufacturer when fuse is included Panel builders when fuse is optional or not included Panel Builders through distribution (mostly for small projects) Maintenance contractors of solar power plants This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

Intermediate or medium-size Inverter Mersen Fuse & Holders Mapping Central Inverter > 500kW Intermediate or medium-size Inverter 80-300kW String level 15-100kW This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

Mersen IEC + UL Fuse Offer Array HP10NH1 HP10NH2 HP12NH1XL HP12NH2XL HP12NH3L 50-160A 200-250A 125-160A 250-400A All NH fuses available for direct bolted mounting String HP6M HP10M HP15M 1-30A 5-32A HP15NH3L 160-400A 600VDC 1000VDC 1200VDC 1500VDC This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

HP 15 NH3L gPV 400 B Mersen Fuse offer : Naming Catalog Number Selection Example: HP15NH3LGPV400B Helio Protection® Series Voltage 6 = 600VDC 10 = 1000VDC 12 = 1250VDC 15 = 1500VDC HP 15 NH3L gPV Fuse Class M = Midget or diameter 10 cylindrical fuse J = Class J NHxx=NH types+ size type Curve 400 Ampere Rating B B Bolted BI Bolted + Striker This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

HP10M – 1000VDC 10x38 1-32A ADVANTAGE/BENEFITS Small footprint Global acceptance 10x38 / Midget size Answers to both IEC PV IEC60269-6 and UL PV (UL248-19) standards Largest Range in one size 10x38 1A to 32 Amps High Efficiency with low power losses Very low power dissipation Small footprint 10X38 size up to 32amps High Breaking capacity Tested at 50kAmps, the highest braking capacity of the market, for very large power ground mounted solar farms Temperature cycle withstand capability The products are tested under cycle conditions (thermal and or electrical) Large temperature range operation -30°C 90°C Durable construction for enhanced system longevity This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

US101HEL / USGM1HEL – 1000VDC for 10x38 HP10M ADVANTAGE/BENEFITS Global acceptance Answers to both IEC and UL standards All the advantages of our Modular offer IP20 finger-safe protection Option visual blown fuse indicator DIN-rail mounting Compact footprint 2 types of connecting solutions Standard robust Modulostar® technology for the screw connection Also available in tool less cage clamp solution Equipped with industry proven, patented WAGO CAGE CLAMP® technology (over 25 years of field experience and acceptance) Reduce wire installation time by up to 75% Highly reliable, maintenance free wire contact This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

HP15M – 1500VDC 10x85 5 – 32A ADVANTAGE/BENEFITS Small footprint Global acceptance Answers to both IEC PV IEC60269-6 and UL PV (UL248-19) standards Fits with Fuse bases that are also IEC and UL listed Largest Range in one size 10x85 4A to 32 Amps High Efficiency with low power losses Very low power dissipation Small footprint 10X85 size up to 32amps High Breaking capacity Tested at 50kAmps, the highest braking capacity of the market, for very large power ground mounted solar farms Temperature cycle withstand capability The products are tested under cycle conditions (thermal and or electrical) Large temperature range operation -30°C 90°C Durable construction for enhanced system longevity This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

US15M1HEL – 1500VDC for 10x85 HP15M ADVANTAGES / BENEFITS Global acceptance Answers to both IEC and UL standards DIN-rail mounting Busbar output connection designed with terminals to accept standard stock bus bar eliminating the need for custom combed busbar, saving cost, time and simplifying installation. UL94V0 material, providing superior flammability rating with exceptional durability. This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

HP10NH – 1000VDC NH1 50-160A / NH2 200-250A ADVANTAGES / BENEFITS Global acceptance Designed in a standard and well known long NH fuse range Answers to both IEC PV IEC60269-6 and UL PV (UL248-19) standards Fits with Fuse bases that are also IEC and UL listed Exist in Direct mounting version: space saving/ cost saving High Efficiency with low power losses The lowest power dissipation of the market! Small footprint With short NH sizes Mersen offer a range up to 250Amps with 25% space saving High Breaking capacity Tested at 50kAmps, the highest braking capacity of the market, for very large power ground mounted solar farms Temperature cycle withstand capability The products are tested under cycle conditions (thermal and or electrical) Durable construction for enhanced system longevity Silver fuse elements for a better longevity and performance Silver plated blades for a good thermal and electrical exchange This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

HP12NH – 1250VDC NH1XL 125-160A / NH2XL 200-250A / NH3L 250-400A ADVANTAGES / BENEFITS Global acceptance Designed in a standard and well known Long NH fuse range Answers to both IEC PV IEC60269-6 and UL PV (UL248-19) standards Fits with Fuse bases Exist in Direct mounting version: space saving/ cost saving High Efficiency with low power losses The lowest power dissipation of the market! High Breaking capacity Tested at 50kAmps, the highest braking capacity of the market, for very large power ground mounted solar farms Temperature cycle withstand capability The products are tested under cycle conditions (thermal and or electrical) Durable construction for enhanced system longevity Silver fuse elements for a better longevity and performance Silver plated blades for a good thermal and electrical exchange This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

HP15NH – 1500VDC NH3L 160 - 400A ADVANTAGES / BENEFITS Global acceptance Designed in a standard and well known Long NH fuse range Answers to both IEC PV IEC60269-6 and UL PV (UL248-19) standards Fits with Fuse bases Direct mounting version available: space saving/ cost saving New version with striker available: can be used to activate a micro- switch High Efficiency with low power losses The lowest power dissipation of the market! High Breaking capacity Tested at 50kAmps, the highest braking capacity of the market, for very large power ground mounted solar farms Temperature cycle withstand capability The products are tested under cycle conditions (thermal and or electrical) Durable construction for enhanced system longevity Silver fuse elements for a better longevity and performance Silver plated blades for a good thermal and electrical exchange A wide range of rating in one NH3L size, tested at 1500VDC for big solar farm applications This slide is to be presented at the beginning of each review. It describes the context of the project, and gives a sense of why it is important to do it. It says what is expected from the PAC committee in terms of decision for the corresponding review. Summary of the objectives, what decision the committee should be taking to support the project.

COMMUNICATION TOOLS All Product DATA available on MERSEN website Product Datasheets 2D / 3D drawings UL certificates CE/ROHS declarations Helioprotection® Brochure