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.
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Fusible A4BQ - Class L - Time-Delay
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
characteristic (at 500% of rated current) accommodates harmless
inrush currents without nuisance opening.
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.
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 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 A30QS Semiconductor Protection
A30QS Amp-trap Semiconductor Protection fuses are intended for the protection of Power Semiconductors such as Diodes, Phase Control SCR’s and other power Semiconductor devices. The A30QS is recommended for new applications providing solutions for your critical protection needs at 300V and less semiconductors.
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Fusible TRS-R - Class RK5 - Time-Delay
Tri-Onic TRS-R current-limiting time-delay fuses are engineered for overcurrent protection of motors, transformers, service entrance equipment, feeders and branch-circuits. The time-delay characteristics of the TRS-R safely handle harmless starting currents and inrush currents associated with today’s motors and transformers.
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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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Fusible 1250/1300 Volt PSC Square Body
• Choice of mounting styles gives wide choice for equipment design
• Broad range of ampere ratings in a given body size for design flexibility
• UL/CSA/IEC 60269-4 compliance for worldwide semiconductor
applications
Fusible A3T - Class T - Fast-Acting
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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