MERSEN-FERRAZ SHAWMUT PRODUCTS

Fast-acting fuses melt instantly. Protect lighting circuits and other electronic devices that are sensitive to current spikes.

• ATM
• OTM
• GGU
• SBS
• PCF
• PCS

Time-delay fuses avoid melting due to intermittent current spikes. They melt after sustained or repeated overcurrent.

• ATQ
• TRM
• OTM
• GFN

• Fast-acting and time-delay
• Low voltage non-interchangeable fuses
• Ratings from 1/10 to 30 A. 600V-AC. Interrupting rating 200KA.
• Designed for fuse holder mounting

• Non-interchangeable fuses
• Interrupting rating 200KA-RMS
• Voltage range up to 600V-AC and ampere range up to 600A.
• Time-delay and current-limiting
• Bar and fuse holder mounting

• Current limiting fuses
• Voltage range up to 600V-AC
• Ampere range from 601 to 6000A
• Interrupting rating 100-200kA-RMS symmetrical
• Bolt on mounting. Not for use with fuse holders.

• Complete line of UL Listed Class G fuses with time-delay (above 5A rating)
• Made in four physical sizes and provide branch-circuit protection for lighting, heating, and appliance circuits
• Do not allow inter-changeability with other fuse classes.

• Interchangeable and non-interchangeable options with interrupting ratings 10KA-RMS symmetrical.
• Voltage rating 250-600V-AC, ampere range up to 600A.
• Not current-limiting

• Provide IEC Type 2 "no damage" protection to existing mains, feeders, and branch circuits serving motor and non-motor loads.
• A2D-R fuses will open fast enough under extreme fault conditions for maximum short circuit protection to prevent damage to motor starters, switches, and other circuit components, yet also provide the time-delay needed for motor in-rush currents.
• Can be used to replace obsolete 250V Class H, K or RK5 fuses already installed in the field.

• Current-limiting
• Provide excellent protection where high available short-circuit currents exist.
• These fast-acting fuses are particularly good for branch/feeder circuits and back-up protection.

• Current-limiting time-delay fuses
• Engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits
• Safely handle harmless starting currents and inrush currents associated with today’s motors and transformers.

• General purpose fuses provide low cost protection for feeder and branch-circuits serving lighting, heating, and other non-motor loads.
• Will safely interrupt available short-circuit currents up to 50,000 amperes in all ratings.
• Satisfy the Canadian electrical code requirement for Type P low melting-point, non-time-delay 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.
• Glass melamine bodies for superior dimensional stability

• RF general purpose Class H renewable fuses are suitable for application where available short-circuit currents do not exceed 10,000 amperes.
• For replacement fuse links select RL series die-cut zinc replacement links from 2 to 600 amperes in 31 ratings.

• Ferraz Shawmut Class C fuses have British standard (BS88) dimensions and are exact replacements for the British fuses and older HRCII-C fuses.
• Class C fuses are not dimensionally or electrically interchangeable with other North American fuses.
• They feature ceramic bodies and bolt-in mounting.
• They are for short-circuit protection only, in motor controllers, for example, where overload protection is provided by an overload relay.

• Mersen plug fuses are intended for industrial and residential applications.
• Non time-delay fuses are available for receptacle and lighting circuits and time-delay fuses for motor loads.
• For Canadian requirements, a type "P" fuse is used for non-motor loads and Type "D" for electrical heating and cyclical load circuits.
• Both fuses have low melting-point temperature elements.
• Type "S" plug fuses are time-delay and tamper resistant.

• Mersen’s Medium Voltage Controllable Fuse (MVCF) System is intended to decrease Arc-Flash incidents when a medium voltage transformer is in use.
• This is the first fuse to provide normal short-circuit and overload protection that can also open on command.
• Cost-effective arc flash solution with minimal installation downtime

• Mersen fuses for the protection of transformers and distribution lines deliver overload and short circuit protection.
• These current-limiting fuses will melt at current that can be as low as 1.7 times the fuse current ratings up to its maximum interrupting rating.
• These fuses are designed to withstand the transformer magnetizing inrush current.
• Available in ferrule mount, bolt-on or clip-lock.

• Current-limiting, high interrupting rating fuses intended for the short circuit protection of medium voltage motors and motor controllers.
• R-Rated fuses are back-up fuses that have a minimum interrupting rating, and must be coordinated with overload relays in combination motor starters.
• Available in bolt-on mount and DIN style.

• Mersen PT fuses are current-limiting fuses with high interrupting rating
• used for the primary winding protection of potential transformer
• Current ratings are from 0.25A to 5A.

• They are current-limiting operating without noise.
• designed to be used indoors or outdoors in a weatherproof enclosure.
• These are non-disconnecting fuses requiring the usage of a disconnect switch.
• Provide both short circuit and overload protection.
• Intended to protect against capacitor case rupture or dielectric failure within the capacitor.
• The various mounting configurations offer manufacturers a wide range of cost and space saving solutions and a large choice of equivalent products to users.

• The innovative and comprehensive Modulostar® range of Mersen fuse-holders.
• Modular fuse-holders are finger-safe under IEC standards to an IP20 grade of protection, including fuse changing (with the flick of a finger).
• Available in 1, 2, 3 or 4 poles, with or without visual blown fuse indicator, in IEC version or IEC + UL version.
• Modulostar® range is made of tough and durable thermoplastic or thermoset material.

• Accommodate all class J fuses ranging from 0-600A, 600V.
• A choice of screw, pressure plate, box and special order stud connectors fit a wide range of stranded or solid copper or aluminum wire
• Insulators are either molded glass-filled polycarbonate (GFPC) or phenolic with verified dielectric strength in excess of 2500V.
• SJ fuse blocks are more compact than the traditional offering and feature a unique adder block configuration for multi-pole field assembly.
• All fuse clips are made of high conductivity tin-plated copper.

• Size NH1 fuse blocks are designed for use with Mersen’s HP10NH1 series of photovoltaic fuses.
• These polyester fuse blocks are available in single pole configurations with or without finger-safe covers.
• All fuse clips are silver-plated copper.
• Select Mersen’s brand of innovative HelioProtection products to meet your stringent photovoltaic application requirements.

• This fuse-system is installed in low voltage distribution units, where fuse-links are accessible to non trained persons and can also be replaced by them.
• Protect equipment and installations against dynamic effects of high short circuit currents.

• Used primarily in potential transformer circuits, or where there is some other disconnecting or isolating device in series with the fuse in the circuit.
• Disconnecting switch devices have the additional feature of serving to isolate the equipment they protect.
• Include live parts for both ends.
• Can be mounted vertically or horizontally.
• The type EK are used for indoor installations while the type EKO are used outdoors.

• 5x20mm
• 6x32mm, ¼” X 1-¼”
• 6x32mm Semiconductor Protection Fuses
• 5x20mm Semiconductor Protection Fuses
• 6x46mm Semiconductor Protection Fuses
• 4.5x14.5mm
• 5x25mm Semiconductor Protection Fuses
• ¼ X 1-¼ with Integral Cap
• ¼ X 1
• Automotive Fuse
• Radial Micro Fuse

• Mersen aM and gG fuse-links cover a wide range of physical sizes and ampere ratings for 400, 500, and 690VAC for protection in electrical distribution circuits and various industrial applications.
• Most ratings are available in size 8x31 and size 10x38 with an optional indicator, and in size 14x51 and 22x58 with an optional striker to activate an auxiliary contact.
• All cylindrical fuse-links have ceramic bodies and silver-plated contacts.
• Limit and cut off unacceptable overcurrents and short-circuit currents up to their nominal breaking capacity.
• Protect electrical equipment and installations against the dynamic effect of high short-currents.

• The D fuse-system is the first generation of screw fuse-system in the German DIN standard.
• Applications are low voltage distribution units, where non trained persons are allowed to change the fuse-links.
• The D fuse range comprises the sizes NDZ, DII, DIII, DIV, DV.
• Limit and cut-off unacceptable overcurrents and short circuit currents up to their nominal breaking capacity
• Protect equipment and installations against dynamic effects of high short circuit currents.

• Since the design of this system cannot guarantee non-interchangeability of rated current it must be handled by a qualified professional.
• Full range breaking capacity fuse-links.
• Can interrupt any current surge.
• They also protect electrical devices and industrial set-ups from the electrodynamic effects of very high short-circuit currents

• Complies with standard EN 60269-2 section II and standard BS 88 part 2.
• These fuses are designed for : “General purpose use” protection (gG type) or motor protection (gM type).
• Ensures an excellent current limitation for all overloads on a large range of applications.
• They are screwed into fuseholders or bolted directly onto busbars, or in fuse interruptors disconnectors.