Mersen

Mersen is a global expert in electrical power and advanced materials. Mersen designs innovative solutions to address its clients specific needs to enable them to optimize their manufacturing process in sectors such as energy, transportation, electronics, chemical, pharmaceutical and process industries.

An innovative pioneer, Mersen’s Ferraz Shawmut product line of fuse technology has provided state-of-the-art protection for over 129 years. Its many innovations include the widely known and respected Amp-Trap® current-limiting fuse, Amp-Trap 2000® time-delay fuses, Protistor® fuses semiconductor protection, Limitor® high voltage fuse-links, Tri-Onic® current-limiting, time-delay fuses, the ground-breaking SmartSpot® open-fuse indicator technology, and the new HelioProtection® solar power protection fuse line. Today, Ferraz Shawmut continues to be the most trusted fuse brand in electrical protection helping companies around the world improve electrical safety, performance, and reliability

Mersen Information & Catalogs (click each category for available catalogs)

Description	Application
A100P Amp-Trap® Form 101 high speed fuses are rated 1000V, extending the range of protection for UPS systems, AC and DC drives, reduced voltage motor starters and similar applications where lower I2t and superior reliability are needed. With ratings from 15 through 1000 amperes, a wide range of high voltage applications can be served.	Protection of UPS systems, AC/DC drives, reduced voltage motor starters and other 1000V or less semiconductor devices

Description	Application
Fast-acting A3T Class T fuses combine two highly desirable features - high current-limitation and a small physical size. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings or current-limiting capability. These fuses have glass melamine bodies for superior dimensional stability and catalog numbers stamped into the blades for permanent identification.	Loadcenters, Panelboards, Switchboards, Circuit Breakers, Metering Centers

Description	Application
A50P Amp-Trap® Form 101 high speed fuses were developed for DC drives, uninterruptable power supplies and similar applications requiring better protection (lower I2t) and superior reliability. The A50P is typically used for replacement.	Protection of DC drives, UPS and other equipment of 500 volts or less

Description	Application
Fast-acting A6T Class T fuses combine two highly desirable features - high current-limitation and a small physical size. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings or current-limiting capability. These fuses have glass melamine bodies for superior dimensional stability and catalog numbers stamped into the blades for permanent identification.	Loadcenters, Panelboards, Switchboards, Circuit Breakers, Metering Centers

Description	Application
Mersen’s ABAT line up is the latest addition to our DC Over-Current protection (O.C.P.) portfolio developed to address Battery Electrical Storage System safety. The ABAT15AA & AD fuses has been specifically designed for 1500 VDC applications with current ratings from 100 to 500 A and according to the upcoming IEC 60 269-7 fuse standard for battery protection.	Electrical Energy Storage (EES), Battery Racks, Battery Strings, Power Conversion Systems, Hybrid Inverters, DC Distribution Systems

Description	Application
Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.	Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description

Application

Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.

Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description	Application
Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.	Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description

Application

Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.

Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description	Application
Amp-Trap 2000® AJT fuses provide non-indication as well as a SmartSpot visual open fuse indicator. With advanced material technology the AJT fuse provides IEC Type 2 No Damage protection to main, feeder, and branch circuits, for all types of loads — yet, they require only half the mounting space needed for 600VAC Class RK fuses. AJT’s time-delay characteristics are ideal for handling typical motor and transformer inrush currents, while also providing superior current-limiting ability.	Motor circuits, Mains, Feeders, Branch circuits, Lighting, heating & general loads, Transformers, Control panels, Circuit breaker back-up, Bus duct, Load centers

Description

Application

Amp-Trap 2000® AJT fuses provide non-indication as well as a SmartSpot visual open fuse indicator. With advanced material technology the AJT fuse provides IEC Type 2 No Damage protection to main, feeder, and branch circuits, for all types of loads — yet, they require only half the mounting space needed for 600VAC Class RK fuses. AJT’s time-delay characteristics are ideal for handling typical motor and transformer inrush currents, while also providing superior current-limiting ability.

Motor circuits, Mains, Feeders, Branch circuits, Lighting, heating & general loads, Transformers, Control panels, Circuit breaker back-up, Bus duct, Load centers

Description	Application
Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.	Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description

Application

Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.

Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description	Application
Amp-Trap 2000 time-delay ATDR small-dimension fuses provide IEC Type 2 "no damage" protection to your facility's increasingly sensitive branch circuit components and small motors - minimizing the risk of fault-related damage. ATDR Class CC fuses deliver the best time-delay characteristics in their class with excellent cycling ability for small motor loads.	Small motors, Contactors, Lighting, heating & general loads, Branch circuit protection

Description	Application
Amp-Trap ATMR fast-acting fuses are the smallest dimension 600V fuses suitable for branch-circuit protection. The ATMR is a popular choice for economical protection of control circuits and control circuit transformers where available short circuit currents exceed 10,000 amperes. ATMR's rejection dimensions prevent substitution by lesser rated fuses. These fast-acting fuses give current-limiting protection to general circuits.	Control circuits, Lighting, General loads, Branch circuit protection

Description

Application

Amp-Trap ATMR fast-acting fuses are the smallest dimension 600V fuses suitable for branch-circuit protection. The ATMR is a popular choice for economical protection of control circuits and control circuit transformers where available short circuit currents exceed 10,000 amperes. ATMR's rejection dimensions prevent substitution by lesser rated fuses. These fast-acting fuses give current-limiting protection to general circuits.

Control circuits, Lighting, General loads, Branch circuit protection

Description	Application
ATQR small-dimension fuses feature time-delay characteristics ideally suited for the high inrush currents of control transformers, solenoids, and similar inductive loads. Mersen's Amp-Trap 2000 ATQR fuses provide superior protection for the branch circuits of electrical distribution systems	Control transformers, Solenoids, Inductive loads, Lighting, heating & general-purpose loads

Description	Application
Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.	Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description

Application

Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.

Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description	Application
Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.	Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description

Application

Mersen forklift truck and battery isolator fuses are specially designed for the heavy duty loads associated with DC battery powered equipment such as forklift trucks, hand trucks, motorized work platforms, and other DC battery operated systems. Rugged construction and stud mounted bolt-in design assure a long life in adverse conditions for these fuses. This expanded line of forklift truck fuses can fulfill virtually all of your heavy duty circuit protection needs up to 125V AC or DC.

Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description	Application
FTFH Forklift Truck Fuse Holder	Forklift Trucks, Battery hand trucks, Motorized work platforms, Battery systems

Description	Application
Mersen NH gBat fuse series was engineered specifically for protection of battery systems. They offer full range protection and can protect very small over currents as well as DC fault current up to 150kA. The NH gBat fuses serie covers various ratings in 1000VDC with NH1 and NH2 sizes, and in 1500VDC with NH1XL, NH2XL and NH3L. They are of the gBat type that comply with new IEC 60269-7 standard draft for Battery protection. They are available with bolted type blades for direct mounting, or with plain blades.	Electrical energy storage, Battery storage system, Line protection between battery system and DC/DC converter or battery inverter, DC grid protection

Description

Application

Mersen NH gBat fuse series was engineered specifically for protection of battery systems. They offer full range protection and can protect very small over currents as well as DC fault current up to 150kA. The NH gBat fuses serie covers various ratings in 1000VDC with NH1 and NH2 sizes, and in 1500VDC with NH1XL, NH2XL and NH3L. They are of the gBat type that comply with new IEC 60269-7 standard draft for Battery protection. They are available with bolted type blades for direct mounting, or with plain blades.

Electrical energy storage, Battery storage system, Line protection between battery system and DC/DC converter or battery inverter, DC grid protection

Description	Application
EVpack-fuse line-up belongs to the new DC Over-Current protection (O.C.P.) range developed by MERSEN to address specific needs in EV/HEV and Battery Electrical Storage System. EVpack-fuse provides the ultimate protection of the battery pack offering reliable clearing of DC fault currents. It has been specifically engineered and tested to provide DC applications best-in-class protection performance: Up to 1,000VDC, Current rating (In)= 8 to 600A, Interrupting Rating (IR) = 20kA, L/R ≤1ms, Minimum Breaking Capacity (MBC) < 3kA for a perfect matching with DC contactor.	EV/HEV, Electrical Energy Storage, Battery pack protection, Battery Disconnect Unit (BDU), Battery Junction Box for auxiliaries, Battery charger, Supercapacitor pack protection, Backup protection for DC relay / disconnector

Description

Application

EVpack-fuse line-up belongs to the new DC Over-Current protection (O.C.P.) range developed by MERSEN to address specific needs in EV/HEV and Battery Electrical Storage System. EVpack-fuse provides the ultimate protection of the battery pack offering reliable clearing of DC fault currents. It has been specifically engineered and tested to provide DC applications best-in-class protection performance: Up to 1,000VDC, Current rating (In)= 8 to 600A, Interrupting Rating (IR) = 20kA, L/R ≤1ms, Minimum Breaking Capacity (MBC) < 3kA for a perfect matching with DC contactor.

EV/HEV, Electrical Energy Storage, Battery pack protection, Battery Disconnect Unit (BDU), Battery Junction Box for auxiliaries, Battery charger, Supercapacitor pack protection, Backup protection for DC relay / disconnector

Description	Application
With the evolution of DC distribution and new technologies on the horizon, Mersen’s MDC DC Distribution Fuses help customers achieve ultimate protection for today and tomorrow and let system integrators and OEM manufacturers easily select fuses for the protection of DC distribution in a variety of applications.	DC cabling, DC bus, DC auxiliary circuits, electrical energy storage (EES), battery module protection, EV charging, critical power, and UPS protection

Click on any link to open a PDF information sheet, PDF drawing or product image. These documents are for reference only. To request the latest document revision or to request other documentation, please contact Sales

Introducing
The Mersen MDC Series DC Distribution Fuses

With the evolution of DC distribution and new technologies on the horizon, Mersen’s MDC DC Distribution Fuses help customers achieve ultimate protection for today and tomorrow and let system integrators and OEM manufacturers easily select fuses for the protection of DC distribution in a variety of applications.
The MDC Series incorporates proven fuse technologies, providing optimal current limitation while achieving maximum performance. The MDC portfolio is designed to easily allow customers to choose fuses where coordination with other DC components is critical, eliminating unnecessary downtime.
Applications include but not limited to: DC cabling, DC bus, DC auxiliary circuits, electrical energy storage (EES), battery module protection, EV charging, critical power, and UPS protection.

MDC Series Catalog

Electrical Protection & Control

Switching & Indication

Thermal Management

Interconnection

Specialty Devices

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Mersen Information & Catalogs (click each category for available catalogs)

Introducing
The Mersen MDC Series DC Distribution Fuses

Catalogs

Forklift Truck Fuses

Fuse Control Program

Battery Energy Storage Products

EV Charging Station Products

About the Company

Company LInks

Locations-USA

Get in Touch

Download Linecard

AS9120 Certificate

Electrical Protection & Control

Switching & Indication

Thermal Management

Interconnection

Specialty Devices

Sign up for Product News

Sign up for Product News

Mersen Information & Catalogs (click each category for available catalogs)

Introducing The Mersen MDC Series DC Distribution Fuses

Catalogs

Forklift Truck Fuses

Fuse Control Program

Battery Energy Storage Products

EV Charging Station Products

About the Company

Company LInks

Locations-USA

Get in Touch

Introducing
The Mersen MDC Series DC Distribution Fuses