Mersen has developed a true 1000VAC/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.
Fusible HSJ - Class J - High-Speed
The High Speed Class J (HSJ) combines the low I2t of a semiconductor fuse and the branch-circuit performance of a Class J UL Listed fuse into a single design. The HSJ can provide both branch circuit protection per NEC requirements, as well as very low I2t for protection of power semiconductors such as Diodes, SCRs, GTOs and SSRs.
Fusible URGG/URGH British standart
• Extremely high-Interrupting rating fuses
• Protection of power semiconductors according to IEC 269.1 and 4
• aR class (ratings from 50 to 525A URGG – 300 to 1050A URGH)
according to IEC 269.4
• Complies with BS 88-4
– without indicator
– with external trip-indicator
Fusible ATMR - Class CC - Fast-Acting
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.
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Fusible ATDR - Class CC - Time-Delay
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.
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OT, OTN and OTS fuses are not rejection fuses -care should be taken to ensure that replacement fuses do not have lower interrupting ratings than
original fuses.
OTN 15 through 60 satisfy the Canadian electrical code requirement for Type «P» low melting-point, non-time delay fuses.
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Fusible 6,9 grb-URB din German estándar
• Extremely high interrupting rating
• Protection of power semiconductors according to IEC 269.1 and EN 60269.4
• 500-690V [Rating 20 to 400A]
• gR class [gRB Ratings 20 to 125A] according to VDE 636-23
-Full range protection
-Improved safety and protection
-Allows selective coordination
• aR class [current rating 80 to 400A] according to VDE 636-23 and IEC 269.4
• 3 models complying with DIN 43653-00C are:
-With or without blown fuse indication
-With trip indicator
• Model complying with DIN 43620 (00C)
-Standard with or without blown fuse indication
-With trip indicator
Fusible ATQR Time-delay/ Class CC
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.
Fusible ATQ Time- Delay Migdet
Amp-Trap ATQ midget time-delay fuses are rated 500VAC 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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Fusible AJT Time-delay/ Class JAmp-Trap 2000
Los fusibles AJT con retardo de tiempo Amp-Trap 2000 brindan protección IEC tipo «2» (sin daños) a los circuitos principal, alimentador y de derivación, para todos los tipos de cargas; sin embargo, requieren solo la mitad del espacio de montaje necesario para 600V UL Class Fusibles RK. Las características de retardo de tiempo manejan las corrientes de entrada del motor sin disparos molestos. Su capacidad de limitación de corriente y su amplio rango de calificaciones brindan una excelente protección contra sobrecorriente para todas sus aplicaciones. Un indicador opcional de fusible fundido y un microinterruptor está disponible en los fusibles tipo cuchilla (70 a 600 A) para una indicación visual y / o remota de fusible fundido.
Fusible A70P Amp-Trap Form 101
A70P Amp-trap Form 101 Semiconductor Protection fuses were developed for higher voltage AC and DC drives, UPS systems, reduced voltage motor starters and similar applications where lower I2t and superior reliability were needed. A70P is a very popular fuse, available in a wide range of ratings.
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