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Power Assemblies and Controllers

February 2017 - Ferraz Shawmut Fuses

Published on: 24/02/2017

Discover the complete Ferraz Shawmut Fuse Range

Ferraz Shawmut Fuses

Ferraz Shawmut Fuses (now known as Mersen) is an expert in the safety and reliability of electrical equipment offering global electrical protection solutions such as fuses and fuse mountings. GD Rectifiers are the UK’s leading Ferraz Shawmut Distributor for circuit protection solutions, view their range of Ferraz Fuses below.

 

UL Power Fuses

Class J – Time Delay – AJT

MAXIMUM CIRCUIT PROTECTION, MINIMAL SIZE Amp-trap 2000® SmartSpot® AJT fuses now provide a visual open fuse indicator. With advanced material technology added to the existing product line 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.

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Class L – Time Delay – A4BQ

PUT THE HIGHEST CURRENT-LIMITATION... AT YOUR SERVICE. Amp-trap® 2000 A4BQ fuses are 20% more current limiting than any other Class L fuse on the market. When correctly coordinated, they bring a superior level of protection to service entrance equipment. Downstream circuit components have maximum protection against short circuit let-thru current. A4BQ's built-in, 4-second time delay character (at 500% of rated current) accommodates harmless inrush currents without nuisance opening.

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Class CC – Transformer Duty – ATQR

TAKE CONTROL OF FAULT CURRENTS HEADED FOR YOUR CONTROL TRANSFORMER. ATQR small-dimension fuses feature time delay characteristics ideally suited for the high inrush currents of control transformers, solenoids, and similar inductive loads. The newest member of our Amp-trap 2000® family of fuses - ATQR fuses provide superior protection for the branch circuits of electrical distribution systems.

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Class CC – Motor Duty – ATDR

THE BEST PROTECTION FOR TODAY'S SMALL MOTORS. Amp-trap 2000® ATDR small-dimension fuses can 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 load.

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Class RK1 – Time Delay – A2D/A6D

UPGRADE YESTERDAY'S CIRCUITS TO TODAY'S TYPE 2 PROTECTION. The Amp-Trap 2000® SmartSpot® A2D-R and A6D-R fuses feature a visual open fuse indicator and provide IEC Type 2 No Damage protection to main, feeder, and branch circuits for all types of loads. With time-delay characteristics for handling harmless in-rush currents, current-limiting ability and a wide range of ratings (from 1 to 600 Amperes), A2D-R and A6D-R fuses give excellent protection for all your applications.

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Class J – Fast Acting – A4J

FOR EXCELLENT CURRENT LIMITING PROTECTION A4J Class J fuses deliver excellent current-limiting protection to a wide variety of applications. Their unique dimensions prevent the substitution of other fuses with lower voltage ratings, interrupting ratings, or current-limiting capability.

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Class J – High Speed – HSJ

The High Speed J (HSJ) combines the low I2t of a semiconductor fuse and the branch circuit performance of a Class J UL listed fuse. This fuse was designed for the starting characteristics of solid state motor controllers. The HSJ can provide branch circuit protection per NEC requirements, as well as very low I2t for protection of power semiconductors such as Diodes, SCR’s, GTO’s and SSR’s.

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Class CC – General Purpose – ATMR

SMALL FUSE - BIG PROTECTION FOR GENERAL CIRCUITS Amp-trap ATMR fuses, in the Class CC family, 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. 

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Class L – 4-Second Time Delay – A4BY

COUNT ON THE HIGH INTERRUPTING RATING OF OUR MOST WIDELY-USED CLASS L FUSE When it comes to protecting service entrance equipment, feeder circuits, and circuit breakers, A4BY fuses have been the industry's favorite. The A4BY is a 100% rated device and may be applied at continuous currents up to its ampere rating. A 4-second minimum time delay at 500% rating allows the A4BY to pass normal current surges and to coordinate with ground fault relays.

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Class L – 10-Second Time Delay – A4BT

WHEN YOUR HEAVIER LOADS NEED PROTECTION A4BT FUSES WON'T LET YOU DOWN The high interrupting rating of A4BT current limiting fuses is ideally suited for protecting mains, feeders, and general circuits. The 10-second time delay at 500% of fuse rating is ideal for large motors and other loads with a high inrush. A4BT fuses are suitable for DC applications up to 500VDC.

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Class RK1 – High Speed – HSRK

Protect your electrical power wiring and power semiconductors with a single fuse. The new HIGH SPEED RK1 (HSRK) combines semiconductor fuse performance with NEC branch circuit compliance. The fuse was designed with two specific applications in mind: To provide semiconductor fuse performance to solid state drive applications but in the larger RK body sizes that have been typically installed in older systems.

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Class RK1 – Fast Acting – A2K/A6K

THESE FAST-ACTING FUSES DELIVER A HIGH DEGREE OF CURRENT LIMITATION WHERE YOU NEED IT MOST Current-limiting A6K fuses 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.

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Class RK5 – Time Delay – TR/TRS

THE INDUSTRY'S MOST POPULAR FUSE FOR MOTOR CIRCUIT PROTECTION. Tri-Onic® SmartSpot® TR fuses now provide an optional visual open fuse indicator. With advanced material technology added to the existing product line the TR current-limiting time-delay fuses are engineered for overcurrent protection of motors and transformers, service entrance equipment, feeder and branch circuits. Tri-Onic fuse’s proven time-delay characteristic safely handles harmless starting currents and inrush currents associated with today’s motors and transformers.

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Class T – A3T/A6T

THESE SMALL DIMENSION FUSES ARE THE RIGHT FIT... FOR A TIGHT FIT 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.

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Class G – AG

AMP-TRAP AG FUSES FIT RIGHT IN TO A WIDE VARIETY OF INDUSTRIAL APPLICATIONS The Ferraz Shawmut Amp-trap AG fuse series is a complete line of Class G fuses. With time delay (above 5A rating), AG fuses safely fit a wide variety of applications. Class G fuses are made in four physical sizes and provide good branch-circuit protection for lighting, heating, and appliance circuits.

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Midget Fuses

ATQ – 500VAC – Time Delay

Amp-trap ATQ midget time-delay fuses are rated a full 500V AC with 42 ampere ratings from 1/10 to 30A. They are an excellent choice for supplemental protection of circuits where the available short circuit current does not exceed 10,000A. (Not for Branch Circuit Protection).

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ATM – 600VAC / 600VDC

Amp-trap midget fast-acting ATM fuses are rated 600V AC and 600VDC with a 100kA interrupting rating. These ratings give the ATM a wide range of applications not covered by other midget fuses. In addition, ratings of 30/35, 30/40 and 30/50 amperes are offered for specific applications such as capacitor protection.

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FSM

Ferraz Shawmut has developed a true 1000V AC/DC fuse designed to protect both analog and digital multi-meters. These fuses cover all the industry’s multi-meter requirements in three easy to use amperage ratings. Good for 1000 volts AC and DC, the FSM line of Ferraz Shawmut fuses are designed for the power electronics metering and controls market.

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TRM – 250VAC Time Delay

Tri-onic TRM time-delay midget fuses are rated 250 volts AC and are offered in 36 ampere ratings from 1/10A to 30A. They have 12 seconds time delay at 200% rating to provide supplemental protection of small motors, small transformers and other high inrush loads, plus many other 250 volt applications. (Not for Branch Circuit Protection)

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OTM – 250VAC – One-Time

One-time OTM midget fuses provide low-cost protection for 250 volt AC general purpose lighting, heating, control circuits, etc. where time delay is not required. (Not for Branch Circuit Protection)

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A6Y-2B – Fast Acting Supplemental Protection

A6Y "Type 2B" Amp-trap midget fuses are fast acting on short circuits, yet have sufficient time delay to offer supplemental protection for small motors, transformers, and control circuits. (Not for Branch Circuit Protection)

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A25Z-2 – 300VAC Semiconductor Protection

A25Z "Type 2" Amp-trap midget fuses are primarily used for semiconductor protection. They have a 300V rating and are highly current-limiting fuses, with midget dimensions. (Not for Branch Circuit Protection)

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SBS – 600VAC General Purpose

UNIQUE DIMENSIONS FOR TODAY'S SMALLER EQUIPMENT AND COMPONENTS Fast-acting general purpose SBS fuses were developed in response to the industry's demand for smaller equipment and components. They are the only fuses in their size with a full 600 volt AC rating for all ampere ratings by Underwriters Laboratories standard 198G and CSA No. 59.2, and are the only fuses of this size with an interrupting rating of 100kA RMS. (Not for Branch Circuit Protection)

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GFN – Indicating Time Delay Fuse

GFN midget indicating fuses are available in 34 ratings from 1/10A through 30A. These time-delay fuses have built-in blown fuse indicators which pop out at the end of the fuse to visually indicate when the fuse has operated to open the circuit. Indicators may be used to trip a switch for remote as well as visual annunciation. (Not for Branch Circuit Protection)

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GGU – 125VAC General Purpose

125V AC rated GGU fuses have midget fuse dimensions (1-1/2 In long x 13/32 In diameter). 20A and above have ceramic bodies, allowing use in higher ambient temperature conditions than other similar fuses. (Not for Branch Circuit Protection)

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European IEC Fuses

DO Type (NEOZED) Fuse Links & Screw Cap Holders

Ferraz Shawmut DO fuse-links, also called Neozed type, are 400 Volts AC rated with 100kA interrupting rating. They have 3 physical sizes, DO1, DO2, and DO3 and fit into special screw caps. All fuse-links have blown-fuse indicators which are visible through the screw cap when mounted. Screw caps fit onto single and three-pole bases which are screw or DIN rail mounted. Accessories such as covers and gauge rings are described.

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D Type (DIAZED) Fuse-links & Screw Cap Holders

Ferraz Shawmut D fuse-links, also called Diazed type, are 500 Volts AC rated with 75kA interrupting rating. They have 4 physical sizes, DI, DII, DIII, and DIV and fit into special screw caps. All fuse-links have blownfuse indicators which are visible through the screw cap. Screw caps fit onto single pole bases which are screw or DIN rail mounted. See PDF for more information.

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500V, 690V gG NH Dimension Fuses

Ferraz Shawmut NH Fuse-links, sizes 000, 00, 0, 1, 2, 3, 4 and 4a are rated 500 or 690 Volts AC with breaking capacities of 80kA or 120kA. See PDF for more information.

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690V gG NH Dimension Fuses

Ferraz Shawmut NH Fuse-links, sizes 000, 00, 0, 1, 2, 3, 4 and 4a are rated 500 or 690 Volts AC with breaking capacities of 80kA or 120kA. All fuse-links include an indicator or striker and can accept a microswitch for remote signaling. See PDF for more information.

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500V, 690V aM NH Dimension Fuses

Ferraz Shawmut NH Fuse-links, sizes 000, 00, 0, 1, 2, 3, 4 and 4a are rated 500 or 690 Volts AC with breaking capacities of 80kA or 120kA. They all have silver-plated knife blades and ceramic bodies. Accessories include 1, 2, 3 or 4-pole bases, barriers, shields, terminals, microswitch, etc. See PDF for more information.

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For further information on all Ferraz Shawmut Fuses please contact our sales team on: 01444 243 452 / .(JavaScript must be enabled to view this email address)