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For more in-depth information about fuses and circuit protection and their applications click on the titles below to access reports authored by Mersen engineers and technical support staff.

White Papers Tech Topics Articles Tip sheets

White Papers

	Arc Flash Basics: Testing Update [557 k]
	Current-Limiting Fuses Improve Power Quality [143 k]
	Effect of Electrode Orientation in Arc Flash Testing [342 k]
	Effect of Harmonic Currents on Semiconductor Fuse Ratings [166 k]
	Effect of Insulating Barriers in Arc Flash Testing [ 1.5 mb]
	Improved Method for Arc Flash Hazard Analysis [245 k]
	Optimizing Circuit Breaker Instantaneous Trip Settings for Selectivity and Arc Flash Performance Simultaneously © 2010 IEEE. This material is posted here with permission of the IEEE. [181 k]
	Selectivity Analysis in Low Voltage Power Distribution Systems with Fuses & Circuit Breakers © 2009 IEEE. This material is posted here with permission of the IEEE. [542 k]

Tech Topics

	Arc Flash Note 1: Multiple Hazards of Arcing Faults [919 k]
	Arc Flash Note 2: Reducing Arc Energies with Current-Limiting Fuses [533 k]
	Arc Flash Note 3: Arc Flash Hazard Analysis [475 k]
	Arc Flash Note 4: Reduce Arc Flash Energies by Upgrading to A6D Class RK1 Fuses [728 k]
	Arc Flash Note 5: Reduce Arc Flash Energies by Reducing Fuse Ampere Rating [ 1.1 mb]
	Arc Flash Note 6: Reducing Arc Flash Energies on Transformer Secondaries [ 1.6 mb]
	Component Protection Note 2: Enhancing Short Circuit Safety with Type 2 Coordination for Motor Starters [569 k]
	Component Protection Note 3 Issue 2: Addressing Protection Issues for Surge Protection Devices [ 1.1 mb]
	Component Protection Note 3: Addressing Overcurrent Issues for Transient Voltage Surge Suppressors [710 k]
	Component Protection Note 4: Important Changes to UL 1449 Safety Standards for Surge Suppression [469 k]
	Photovoltaic Protection Note 1: Ground Fault Analysis and Protection in PV Arrays [ 1.5 mb]
	Photovoltaic Protection Note 2: Line-Line Fault Analysis and Protection in PV Arrays [ 2.1 mb]
	Photovoltaic Protection Note 4: UL 2579 Fuses of Photovoltaic Systems [ 1.0 mb]
	Selective Coordination 1: Evaluating Selective Coordination Between Current-Limiting Fuses & Non Current-Limiting Circuit Breakers [ 2.4 mb]
	Significant Changes to the NFPA70E Standard - 2012 Edition TT-SCN4 [614 k]
	Standards & Codes Note 2: Critical Changes to the NFPA 70E Standard 2009 Edition [ 2.1 mb]
	Standards & Codes, Note 1: Achieve Higher SCCRs for Industrial Control Panels [621 k]
	Surge Protection Note 1: Introduction to Specifying Surge Protection - TT-SPN1 [640 k]

Articles

	Calculating Arc Flash Hazard Levels - Pure Power, Winter 2008 Discover common mistakes in calculating arc flash hazard levels and how to avoid them. [link]
	Caught Unprotected?: A Lack of High-Speed Fusing Could Undermine Your Plant's Productivity Reprinted by permission from A-B Journal, June 2003 [85 k]
	Component Protection Note 3 Issue 2: Addressing Protection Issues for Surge Protection Devices [ 1.0 mb]
	Considering High-Power switches - Electricity Today, October 2011 [link]
	How To Buy An SPD ~ All you need to know about surge protective devices Electrical Source Mag-Nov/Dec 2011 [link]
	Improving protection, reducing costs Every maintenance professional should know how to select the proper fuse for the application. PlantServices.com, March 2009 [link]
	Key Changes to the 2011 National Electric Code (IMARK NOW) by Kaitlin Friedmann Mersen weighs in on the critical updates [link]
	Liquid Cooled Heatsinks Enable Smaller, Cooler Devices Reprinted by permission from Power Electronics Technology magazine, June 2003 [333 k]
	Manage Your Fuse Inventory With 5S - Sort, set location, straighten, standardize and sustain to eliminate waste Author: David Komm, Technical Services-Supervisor, Mersen [link]
	New Standards in Solar Power Circuit Protection Q&A with AltEnergyMag & Stephen Colvin [link]
	PV Installations, Protection and the Code (Canada) by Lew Silecky, Technical Sales & Marketing Manager with Mersen, Toronto, Canada [link]
	Safe Photovoltaic Systems Author: Franck Ageron, Product Manager, Surge Protective Devices, Mersen Group [link]
	The Fuse Protection Review: Consolidating Inventory Reduces Costs and Upgrades Safety Reprinted from Plant Services, June 2003. [94 k]
	The SCCR Liability Trap:What you need to know about the new short circuit current rating (SCCR) requirements EC&M Feb 2010 [link]
	The time is now to implement 7 critical updates to NFPA 70E Plant Engineering-July-2010 [link]
	Understanding Surge Protective Device Ratings ECM, June 21, 2011 [link]
	What's Behind All The Marks? A Collage of Product Certification Marks Brings the Global Economy to Your Local Electrical Market Reprinted by permission from TED magazine, July 2004 [62 k]

Tip Sheets

	5S Your Fuse Inventory with Ferraz Shawmut’s Fuse Control™ Program [663 k]
	Complying with OSHA IC Requirement for Fuses [538 k]
	How Many Fuses Will Open On a Short Circuit? [256 k]
	How to Select & Specify High Power Switches [579 k]
	Motor Starter Protection: Proper Coordination Between Overload Relay and Branch Circuit Fuses [269 k]
	Navigating Selective Coordination [244 k]
	Reducing Fuse Ampere Rating Can Reduce Arc Flash Hazard [288 k]
	SPD: Buyer beware: SPD and UL Markings? [861 k]
	SPD: Is There a One Size Fits All Surge Protection Device? [341 k]
	SPD: Navigating the UL Safety Requirements for Surge Protection [800 k]
	SPD: Surge Protection - North America vs. Europe [430 k]
	SPD: Understanding Ratings for Surge Protective Devices [327 k]
	SPD: What Is the Surge-Trap® Surge Protection Device? [550 k]
	Three Clues for Detecting When is a Fuse Too Old for Storeroom Inventory? [308 k]