1 of 10 medium voltage fuses 2,400-38,000 vac ? current-limiting bolt-in mount fuses description littelfuse ? offers a selection of e- and r-rated medium voltage fuses for the protection of trans formers, potential transformers, feeders, and motor circuits. single, double, and triple barrel designs are available to cover a wide range of current, voltage, and interrupting ratings. conventional ferrule type, clip lock, and bolt-in mounting confgurations are available for virtually any application. hermetically sealed fuses for use in hazardous environments are also offered. contact the factory or your local littelfuse representative for additional fuse ratings or custom mounting confgurations. 24-hour emergency service - call 800-227-0029 applications ? power transformer protection ? potential transformer protection ? motor controller back-up protection ? fused switches ? feeder circuits general information the terms medium voltage and high voltage have been used interchangeably by many people to describe fuses operating above 600 volts. technically speaking, medium voltage fuses are those intended for the voltage range from 2,400 to 38,000 vac. high voltage fuses are for circuits carrying voltages greater than 38,000 vac. e-rated fuses are considered to be general purpose fuses and can be used to protect against low and high values of fault current. r-rated fuses are designed for back-up protection. they must be used in series with other devices such as motor overload relays in order to achieve both overload and short-circuit protection. medium voltage fuses are not intended to provide overload protection in the same sense as fuses rated 600 volts or less. medium voltage fuse current ratings do not have the same meanings as the ampere ratings of low voltage fuses. all medium voltage fuses are limited in their ability to interrupt low value overcurrents, especially those between 100% and 200% of the fuses continuous current rating. they are designed to carry their rated current without exceeding the temperature rise permitted by nema and ansi standards. current-limiting e- and r-rated fuses are equipped with a mechanical indicator or striker pin that protrudes through the fuse cap upon operation of the fuse. this provides visual identifcation of a blown fuse and can be used as a trigger for external devices. note: extension distance 1 / 2 minimum; extension force 2 lb. minimum. powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
2 of 10 description r-rated fuses provide required short-circuit protection for medium voltage motors, motor controllers and associated circuitry. these components have limited ability to absorb the energy of large short-circuit currents. medium voltage motor controllers contain overload relays which provide both overload protection and locked rotor protection to the motor. the controllers are also intended to interrupt low value short-circuits within the capability of the motor controller. this protects the medium voltage fuse from sustained overcurrents which are less than their minimum interrupting rating. nema standards for r-rated medium voltage power fuses require they operate within 15-35 seconds when subjected to an rms current 100 times the r rating. for example, a fuse with a 2r rating will open within 15 to 35 seconds on an applied current of 2 x 100 = 200 amperes. ordering number 3"dia dim.a clip center 6.38" dim.b 9.75" a d d d ddd figure 1 figure 2 figure 3 hookeye feature* for hookeye attachment; add w suffix to part number * see web for bolt mount, inverted bolt mount, and bolt-in dimensions max voltage (kv) style: c (cartridge) b (bolt mount) ib (inverted bolt mount) bi (bolt-in mount) no. of barrels rating (size) continuous current characteristics voltage ratings 2,750 v C 8,250 v current range 2r C 36r options ? hermetically sealed for use in hazardous locations (add s suffx to part number) ? bolt-in mounting confgurations bolt mount b sample part #: 130-4r-1b-5.5 inverted-bolt ib sample part #: 130-4r-1ib-5.5 bolt-in mount bi sample part #: 130-4r-1bi-5.5 cartridge c dimensions medium voltage fuse protection powr-gard ? medium voltage fuses provide short-circuit protection for motors and transformers rated 2,400 to 38,000 volts ac. visit littelfuse.com/mediumvoltage to download the white paper featuring protection tables, sizing recommendations, and applications. 130- 4r-1c-5.5 r-rated medium voltage fuses powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
3 of 10 r rated ordering/ catalog number size maximum continuous current @ 40 degrees c dim. a (inches) dim. b (inches) minimum interrupting rating rms amps maximum interrupting rating rms (asym)* figure number 5.5 kv 702r1c5.5 2r 70 12" 15.875" 170 80,000 1 1003r1c5.5 3r 100 12" 15.875" 250 80,000 1 1304r1c5.5 4r 130 12" 15.875" 340 80,000 1 1505r1c5.5 5r 150 12" 15.875" 390 80,000 1 1706r1c5.5 6r 170 12" 15.875" 500 80,000 1 2009r1c5.5 9r 200 12" 15.875" 760 80,000 1 23012r1c5.5 12r 230 12" 15.875" 1000 80,000 1 39018r2c5.5 18r 390 12" 15.875" 1500 80,000 2 45024r2c5.5 24r 450 12" 15.875" 1950 80,000 2 48026r2c5.5 26r 480 12" 15.875" 2100 80,000 2 55030r2c5.5 30r 550 12" 15.875" 2400 80,000 2 60032r2c5.5 32r 600 12" 15.875" 2600 80,000 2 65036r2c5.5 36r 650 12" 15.875" 2900 80,000 2 55030r3c5.5 30r 550 12" 15.875" 2400 80,000 3 60032r3c5.5 32r 600 12" 15.875" 2600 80,000 3 65036r3c5.5 36r 650 12" 15.875" 2900 80,000 3 r rated ordering/ catalog number size maximum continuous current @ 40 degrees c dim. a (inches) dim. b (inches) minimum interrupting rating rms amps maximum interrupting rating rms (asym)* figure number 8.25 kv 702r1c8.25 2r 70 12" 15.875" 190 80,000 1 1003r1c8.25 3r 100 12" 15.875" 225 80,000 1 1304r1c8.25 4r 130 12" 15.875" 330 80,000 1 1505r1c8.25 5r 150 12" 15.875" 440 80,000 1 1706r1c8.25 6r 170 12" 15.875" 500 80,000 1 2009r1c8.25 9r 200 12" 15.875" 740 80,000 1 23012r1c8.25 12r 230 12" 15.875" 955 80,000 1 39018r2c8.25 18r 390 12" 15.875" 1440 80,000 2 45024r2c8.25 24r 450 12" 15.875" 1910 80,000 2 r rated ordering/ catalog number size maximum continuous current @ 40 degrees c dim. a (inches) dim. b (inches) minimum interrupting rating rms amps maximum interrupting rating rms (asym)* figure number 5.5 kv 14clip centers 702r1c5.5x 2r 70 14" 17.875" 170 80,000 1 1003r1c5.5x 3r 100 14" 17.875" 250 80,000 1 1304r1c5.5x 4r 130 14" 17.875" 340 80,000 1 1505r1c5.5x 5r 150 14" 17.875" 390 80,000 1 1706r1c5.5x 6r 170 14" 17.875" 500 80,000 1 2009r1c5.5x 9r 200 14" 17.875" 760 80,000 1 23012r1c5.5x 12r 230 14" 17.875" 1000 80,000 1 39018r2c5.5x 18r 390 14" 17.875" 1500 80,000 2 45024r2c5.5x 24r 450 14" 17.875" 1950 80,000 2 55030r2c5.5x 30r 550 14 17.875 2400 80,000 2 r rated ordering/ catalog number size maximum continuous current @ 40 degrees c dim. a (inches) dim. b (inches) minimum interrupting rating rms amps maximum interrupting rating rms (asym)* figure number 2.75 kv 702r1c2.75 2r 70 7" 10.875" 170 80,000 1 1003r1c2.75 3r 100 7" 10.875" 250 80,000 1 1304r1c2.75 4r 130 7" 10.875" 340 80,000 1 1505r1c2.75 5r 150 7" 10.875" 390 80,000 1 1706r1c2.75 6r 170 7" 10.875" 500 80,000 1 2009r1c2.75 9r 200 7" 10.875" 760 80,000 1 23012r1c2.75 12r 230 7" 10.875" 1000 80,000 1 39018r2c2.75 18r 390 7" 10.875" 1500 80,000 2 45024r2c2.75 24r 450 7" 10.875" 1950 80,000 2 * rms asymmetrical amperes = rms symmetrical amperes x 1.6 for hookeye attachment add w suffix to part number r-rated medium voltage fuses powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
4 of 10 e-rated medium voltage fuses description e-rated fuses have time current characteristics designed to provide current-limiting protection for power transformers, potential transformers, power centers, feeder centers, and unit sub stations. when properly applied, they can protect against high and low fault currents. nema standards for e-rated medium voltage fuses require that fuses rated 100e or less open within 300 seconds (5 minutes) when subjected to an rms value of 200-240% of the fuse continuous current rating; and fuses with an e rating larger than 100e must open within 600 seconds (10 minutes) when subjected to an rms current of 220- 240% of the fuses continuous current rating. these values establish one point on the time-current curve. application note since these fuses are used for the protection of general purpose circuits which may contain transformers, motors, and other equipment producing in-rush and/or overload currents, fuses should generally be rated at 140% of the normal full load current, and circuits should be analyzed to ensure that system load currents will not exceed the current rating of the fuse. 3"dia dim.a clip center 6.38" dim.b 9.75" a d d d ddd figure 4 figure 5 figure 6 characteristics voltage ratings 2,750 v C 38,000 v current range 10e C 600e options ? hermetically sealed for use in hazardous locations (add s suffx to part number) ? clip-lock (cl) available. e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 2.75 max. kv 10e1c2.75 10e 7" 10.875" 80,000 4 15e1c2.75 15e 7" 10.875" 80,000 4 20e1c2.75 20e 7" 10.875" 80,000 4 25e1c2.75 25e 7" 10.875" 80,000 4 30e1c2.75 30e 7" 10.875" 80,000 4 40e1c2.75 40e 7" 10.875" 80,000 4 50e1c2.75 50e 7" 10.875" 80,000 4 65e1c2.75 65e 7" 10.875" 80,000 4 80e1c2.75 80e 7" 10.875" 80,000 4 100e-1c2.75 100e 7" 10.875" 80,000 4 125e1c2.75 125e 7" 10.875" 80,000 4 150e1c2.75 150e 7" 10.875" 80,000 4 200e1c2.75 200e 7" 10.875" 80,000 4 125e2c2.75 125e 7" 10.875" 80,000 5 150e2c2.75 150e 7" 10.875" 80,000 5 200e2c2.75 200e 7" 10.875" 80,000 5 250e2c2.75 250e 7" 10.875" 80,000 5 300e2c2.75 300e 7" 10.875" 80,000 5 350e2c2.75 350e 7" 10.875" 80,000 5 400e2c2.75 400e 7" 10.875" 80,000 5 450e2c2.75 450e 7" 10.875" 80,000 5 dimensions * rms asymmetrical amperes = rms symmetrical amperes x 1.6 powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
5 of 10 e-rated medium voltage fuses e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 5.5 max. kv 10e1c5.5 10e 12" 15.875" 80,000 4 15e1c5.5 15e 12" 15.875" 80,000 4 20e1c5.5 20e 12" 15.875" 80,000 4 25e1c5.5 25e 12" 15.875" 80,000 4 30e1c5.5 30e 12" 15.875" 80,000 4 40e1c5.5 40e 12" 15.875" 80,000 4 50e1c5.5 50e 12" 15.875" 80,000 4 65e1c5.5 65e 12" 15.875" 80,000 4 80e1c5.5 80e 12" 15.875" 80,000 4 100e1c5.5 100e 12" 15.875" 80,000 4 125e1c5.5 125e 12" 15.875" 80,000 4 150e1c5.5 150e 12" 15.875" 80,000 4 175e1c5.5 175e 12" 15.875" 80,000 4 200e1c5.5 200e 12" 15.875" 80,000 4 125e2c5.5 125e 12" 15.875" 80,000 5 150e2c5.5 150e 12" 15.875" 80,000 5 175e2c5.5 175e 12" 15.875" 80,000 5 200e2c5.5 200e 12" 15.875" 80,000 5 250e2c5.5 250e 12" 15.875" 80,000 5 300e2c5.5 300e 12" 15.875" 80,000 5 350e2c5.5 350e 12" 15.875" 80,000 5 400e2c5.5 400e 12" 15.875" 80,000 5 450e2c5.5 450e 12" 15.875" 80,000 5 500e3c5.5 500e 12" 15.875" 80,000 6 550e3c5.5 550e 12" 15.875" 80,000 6 600e3c5.5 600e 12" 15.875" 80,000 6 e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 5.5 max. kv 5nle10e 10e 14 17 7 ? 8 " 80,000 4 5nle15e 15e 14 17 7 ? 8 " 80,000 4 5nle20e 20e 14 17 7 ? 8 " 80,000 4 5nle25e 25e 14 17 7 ? 8 " 80,000 4 5nle30e 30e 14 17 7 ? 8 " 80,000 4 5nle40e 40e 14 17 7 ? 8 " 80,000 4 5nle50e 50e 14 17 7 ? 8 " 80,000 4 5nle65e 65e 14 17 7 ? 8 " 80,000 4 5nle80e 80e 14 17 7 ? 8 " 80,000 4 5nle100e 100e 14 17 7 ? 8 " 80,000 4 5nle125e 125e 14 17 7 ? 8 " 80,000 4 5nle150e 150e 14 17 7 ? 8 " 80,000 4 5nle175e 175e 14 17 7 ? 8 " 80,000 4 5nle200e 200e 14 17 7 ? 8 " 80,000 4 5nle2225e 225e 14 17 7 ? 8 " 80,000 5 5nle2250e 250e 14 17 7 ? 8 " 80,000 5 5nle2300e 300e 14 17 7 ? 8 " 80,000 5 5nle2350e 350e 14 17 7 ? 8 " 80,000 5 5nle2400e 400e 14 17 7 ? 8 " 80,000 5 5nle2450e 450e 14 17 7 ? 8 " 80,000 5 * rms asymmetrical amperes = rms symmetrical amperes x 1.6 powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
6 of 10 e-rated medium voltage fuses e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 15.5 max. kv 10e1c15.5 10e 15" 18.875" 80,000 4 15e1c15.5 15e 15" 18.875" 80,000 4 20e1c15.5 20e 15" 18.875" 80,000 4 25e1c15.5 25e 15" 18.875" 80,000 4 30e1c15.5 30e 15" 18.875" 80,000 4 40e1c15.5 40e 15" 18.875" 80,000 4 50e1c15.5 50e 15" 18.875" 80,000 4 65e1c15.5 65e 15" 18.875" 80,000 4 80e1c15.5 80e 15" 18.875" 80,000 4 100e1c15.5 100e 15" 18.875" 80,000 4 65e2c15.5 65e 15" 18.875" 80,000 5 80e2c15.5 80e 15" 18.875" 80,000 5 100e2c15.5 100e 15" 18.875" 80,000 5 125e2c15.5 125e 15" 18.875" 80,000 5 150e2c15.5 150e 15" 18.875" 80,000 5 175e2c15.5 175e 15" 18.875" 80,000 5 200e2c15.5 200e 15" 18.875" 80,000 5 200e3c15.5 200e 15" 18.875" 80,000 6 250e3c15.5 250e 15" 18.875" 80,000 6 300e3c15.5 300e 15" 18.875" 80,000 6 e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 8.25 max. kv 10e1c8.25 10e 12" 15 7 ? 8 " 80,000, 4 15e1c8.25 15e 12" 15 7 ? 8 " 80,000 4 20e1c8.25 20e 12" 15 7 ? 8 " 80,000 4 25e1c8.25 25e 12" 15 7 ? 8 " 80,000 4 30e1c8.25 30e 12" 15 7 ? 8 " 80,000 4 40e1c8.25 40e 12" 15 7 ? 8 " 80,000 4 50e1c8.25 50e 12" 15 7 ? 8 " 80,000 4 65e1c8.25 65e 12" 15 7 ? 8 " 80,000 4 80e1c8.25 80e 12" 15 7 ? 8 " 80,000 4 100e1c8.25 100e 12" 15 7 ? 8 " 80,000 4 125e1c8.25 125e 12" 15 7 ? 8 " 80,000 4 150e1c8.25 150e 12" 15 7 ? 8 " 80,000 4 125e2c8.25 125e 12" 15 7 ? 8 " 80,000 5 150e2c8.25 150e 12" 15 7 ? 8 " 80,000 5 200e2c8.25 200e 12" 15 7 ? 8 " 80,000 5 250e2c8.25 250e 12" 15 7 ? 8 " 80,000 5 300e2c8.25 300e 12" 15 7 ? 8 " 80,000 5 350e3c8.25 350e 12" 15 7 ? 8 " 80,000 6 400e3c8.25 400e 12" 15 7 ? 8 " 80,000 6 e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 8.25 max. kv 8nle10e 10e 14" 17 7 ? 8 " 80,000 4 8nle15e 15e 14" 17 7 ? 8 " 80,000 4 8nle20e 20e 14" 17 7 ? 8 " 80,000 4 8nle25e 25e 14" 17 7 ? 8 " 80,000 4 8nle30e 30e 14" 17 7 ? 8 " 80,000 4 8nle40e 40e 14" 17 7 ? 8 " 80,000 4 8nle50e 50e 14" 17 7 ? 8 " 80,000 4 8nle65e 65e 14" 17 7 ? 8 " 80,000 4 8nle80e 80e 14" 17 7 ? 8 " 80,000 4 8nle100e 100e 14" 17 7 ? 8 " 80,000 4 8nle2100e 100e 14" 17 7 ? 8 " 80,000 5 8nle2125e 125e 14" 17 7 ? 8 " 80,000 5 8nle2150e 150e 14" 17 7 ? 8 " 80,000 5 8nle2200e 200e 14" 17 7 ? 8 " 80,000 5 8nle2250e 250e 14" 17 7 ? 8 " 80,000 5 * rms asymmetrical amperes = rms symmetrical amperes x 1.6 powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
7 of 10 * rms asymmetrical amperes = rms symmetrical amperes x 1.6 e-rated medium voltage fuses e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 15.5 max. kv 15gse65e 65e 18" 21 7 ? 8 " 60,000 4 15gse80e 80e 18" 21 7 ? 8 " 60,000 4 15gse100e 100e 18" 21 7 ? 8 " 60,000 4 15gse2125e 125e 18" 21 7 ? 8 " 60,000 5 15gse2150e 150e 18" 21 7 ? 8 " 60,000 5 15gse2175e 175e 18" 21 7 ? 8 " 60,000 5 15gse2200e 200e 18" 21 7 ? 8 " 60,000 5 e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 38 max. kv 3e1c38.0 3e 27" 30 7 ? 8 " 20,000 4 7e1c38.0 7e 27" 30 7 ? 8 20,000 4 10e1c38.0 10e 27" 30 7 ? 8 20,000 4 15e1c38.0 15e 27" 30 7 ? 8 20,000 4 20e1c38.0 20e 27" 30 7 ? 8 20,000 4 25e1c38.0 25e 27" 30 7 ? 8 20,000 4 30e1c38.0 30e 27" 30 7 ? 8 20,000 4 40e1c38.0 40e 27" 30 7 ? 8 20,000 4 50e2c38.0 50e 27" 30 7 ? 8 20,000 5 65e2c38.0 65e 27" 30 7 ? 8 20,000 5 80e2c38.0 80e 27" 30 7 ? 8 20,000 5 e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 25.8 max. kv 15e1c25.8 15e 21" 24 7 ? 8 " 40,000 4 20e1c25.8 20e 21" 24 7 ? 8 40,000 4 25e1c25.8 25e 21" 24 7 ? 8 40,000 4 30e1c25.8 30e 21" 24 7 ? 8 40,000 4 40e1c25.8 40e 21" 24 7 ? 8 40,000 4 50e1c25.8 50e 21" 24 7 ? 8 40,000 4 65e2c25.8 65e 21" 24 7 ? 8 40,000 5 80e2c25.8 80e 21" 24 7 ? 8 40,000 5 100e2c25.8 100e 21" 24 7 ? 8 40,000 5 e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 15.5 max. kv 15nle10e 10e 20" 23 7 ? 8 " 60,000 4 15nle15e 15e 20" 23 7 ? 8 " 60,000 4 15nle20e 20e 20" 23 7 ? 8 " 60,000 4 15nle25e 25e 20" 23 7 ? 8 " 60,000 4 15nle30e 30e 20" 23 7 ? 8 " 60,000 4 15nle40e 40e 20" 23 7 ? 8 " 60,000 4 15nle50e 50e 20" 23 7 ? 8 " 60,000 4 15nle65e 65e 20" 23 7 ? 8 " 60,000 4 15nle80e 80e 20" 23 7 ? 8 " 60,000 4 15nle100e 100e 20" 23 7 ? 8 " 60,000 4 15nle280e 80e 20" 23 7 ? 8 " 60,000 5 15nle2100e 100e 20" 23 7 ? 8 " 60,000 5 15nle2125e 125e 20" 23 7 ? 8 " 60,000 5 15nle2150e 150e 20" 23 7 ? 8 " 60,000 5 15nle2175e 175e 20" 23 7 ? 8 " 60,000 5 15nle2200e 200e 20" 23 7 ? 8 " 60,000 5 15nle3150e 150e 20" 23 7 ? 8 " 60,000 6 15nle3175e 175e 20" 23 7 ? 8 " 60,000 6 15nle3250e 250e 20" 23 7 ? 8 " 60,000 6 15nle3300e 300e 20" 23 7 ? 8 " 60,000 6 powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
8 of 10 e-rated medium voltage fuses e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 5.5 max. kv clip lock 10e1cl5.5 10e 16.38" 15.13" 80,000 7 15e1cl5.5 15e 16.38" 15.13" 80,000 7 20e1c5.5 20e 16.38" 15.13" 80,000 7 25e1cl5.5 25e 16.38" 15.13" 80,000 7 30e1cl5.5 30e 16.38" 15.13" 80,000 7 40e1cl5.5 40e 16.38" 15.13" 80,000 7 50e1cl5.5 50e 16.38" 15.13" 80,000 7 65e1cl5.5 65e 16.38" 15.13" 80,000 7 80e1cl5.5 80e 16.38" 15.13" 80,000 7 100e1cl5.5 100e 16.38" 15.13" 80,000 7 125e1cl5.5 125e 16.38" 15.13" 80,000 7 150e1cl5.5 150e 16.38" 15.13" 80,000 7 225e2cl5.5 225e 17.38" 16.13" 80,000 8 250e2cl5.5 250e 17.38" 16.13" 80,000 8 300e2cl5.5 300e 17.38" 16.13" 80,000 8 350e2cl5.5 350e 17.38" 16.13" 80,000 8 400e2cl5.5 400e 17.38" 16.13" 80,000 8 450e2cl5.5 450e 17.38" 16.13" 80,000 8 500e3cl5.5 500e 17.38" 16.13" 80,000 9 550e3cl5.5 550e 17.38" 16.13" 80,000 9 600e3cl5.5 600e 17.38" 16.13" 80,000 9 4.31 7.94 11.56 1.25 a b 1.25 .25 3.0 clip lock design the clip lock type designs ensures a positive contact between the fuse and the connection cam. the fuses clip lock tab slides in between the clip casting and the cam to prevent the fuse from slipping or blowing out of the holder. this positive contact improves heat dissipation and allows fuses to run cooler. figure 7 figure 8 figure 9 e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 8.25 max. kv clip lock 10e1cl8.25 10e 17.38" 16.13" 80,000 7 15e1cl8.25 15e 17.38" 16.13" 80,000 7 20e1c8.25 20e 17.38" 16.13" 80,000 7 25e1cl8.25 25e 17.38" 16.13" 80,000 7 30e1cl8.25 30e 17.38" 16.13" 80,000 7 40e1cl8.25 40e 17.38" 16.13" 80,000 7 50e1cl8.25 50e 17.38" 16.13" 80,000 7 65e1cl8.25 65e 17.38" 16.13" 80,000 7 80e1cl8.25 80e 17.38" 16.13" 80,000 7 100e1cl8.25 100e 17.38" 16.13" 80,000 7 125e2cl8.25 125e 17.38" 16.13" 80,000 8 150e2cl8.25 150e 17.38" 16.13" 80,000 8 175e2cl8.25 175e 17.38" 16.13" 80,000 8 200e2cl8.25 200e 17.38" 16.13" 80,000 8 225e2cl8.25 225e 17.38" 16.13" 80,000 8 250e2cl8.25 250e 17.38" 16.13" 80,000 8 300e2cl8.25 300e 17.38" 16.13" 80,000 8 350e3cl8.25 350e 17.38" 16.13" 80,000 9 e-rated ordering/catalog number size dim. a (inches) dim. b (inches) max interrupting rating rms (asym)* figure number 15.5 max. kv clip lock 10e1cl15.5 10e 19.8" 18.1" 60,000 7 15e1cl15.5 15e 19.8" 18.1" 60,000 7 20e1cl15.5 20e 19.8" 18.1" 60,000 7 25e1cl15.5 25e 19.8" 18.1" 60,000 7 30e1cl15.5 30e 19.8" 18.1" 60,000 7 40e1cl15.5 40e 19.8" 18.1" 60,000 7 50e1cl15.5 50e 19.8" 18.1" 60,000 7 65e1cl15.5 65e 22.81" 21.13" 60,000 7 80e1cl15.5 80e 22.81" 21.13" 60,000 7 100e1cl15.5 100e 22.81" 21.13" 60,000 7 125e2cl15.5 125e 22.81" 21.13 60,000 8 150e2cl15.5 150e 22.81 21.13 60,000 8 175e2cl15.5 175e 22.81" 21.13 60,000 8 200e2cl15.5 200e 22.81 21.13 60,000 8 150e3cl15.5 150e 22.81" 21.13 60,000 9 200e3cl15.5 200e 22.81" 21.13 60,000 9 250e3cl15.5 250e 22.81" 21.13 60,000 9 300e3cl15.5 300e 22.81" 21.13 60,000 9 dimensions in inches * rms asymmetrical amperes = rms symmetrical amperes x 1.6 powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
9 of 10 e-rated potential transformer fuses a b description potential transformer (pt) fuses are current-limiting fuses with high interrupting ratings designed for the protection of potential transformers. application note when applying fuses for the protection of transformers, the magnetizing current in-rush must be considered. the characteristics of the in-rush, which can be matched with a fuse time-current curve, should be available from the transformer manufacturer. characteristics voltage ratings 625 vac C 25,800 vac current range 1e C 10e e-rated ordering/catalog number size length dim. a (inches) diameter dim. b (inches) max interrupting rating rms (asym)* 625 volt 3e4pt.6 3e 4.6 0.8125 37,500 5e4pt.6 5e 4.6 0.8125 37,500 7e4pt.6 7e 4.6 0.8125 37,500 10e4pt.6 10e 4.6 0.8125 37,500 2.75 max. kv 500e4pt2.4 1e 4.6 0.8125 37,500 1e4pt2.4 1e 4.6 0.8125 37,500 2e4pt2.4 2e 4.6 0.8125 37,500 2.75 max. kv 1e6pt2.75 1e 7.4 1.5625 37,500 2e6pt2.75 2e 7.4 1.5625 37,500 3e6pt2.75 3e 7.4 1.5625 37,500 1e8pt2.75 1e 9.5 1.5625 37,500 2e8pt2.75 2e 9.5 1.5625 37,500 3e8pt2.75 3e 9.5 1.5625 37,500 4.8 max. kv 1e5pt4.8 1e 5.6 0.8125 50,000 2e5pt4.8 2e 5.6 0.8125 50,000 5.5 max. kv 500e6pt5.5 1e 7.4 1.5625 50,000 1e6pt5.5 1e 7.4 1.5625 50,000 2e6pt5.5 2e 7.4 1.5625 50,000 3e6pt5.5 3e 7.4 1.5625 50,000 5e6pt5.5 5e 7.4 1.5625 50,000 500e8pt5.5 1e 9.5 1.5625 50,000 1e8pt5.5 1e 9.5 1.5625 50,000 2e8pt5.5 2e 9.5 1.5625 50,000 3e8pt5.5 3e 9.5 1.5625 50,000 5e8pt5.5 5e 9.5 1.5625 50,000 10e8pt5.5 10e 9.5 1.5625 50,000 8.25 max. kv 500e8pt8.25 1e 9.5 1.5625 50,000 1e8pt8.25 1e 9.5 1.5625 50,000 2e8pt8.25 2e 9.5 1.5625 50,000 3e8pt8.25 3 9.5 1.5625 50,000 15.5 max. kv 500e11pt15.5 1e 12.8 1.5625 35,000 1e11pt15.5 1e 12.8 1.5625 35,000 2e11pt15.5 2e 12.8 1.5625 35,000 3e11pt15.5 3e 12.8 1.5625 35,000 3e16pt15.5 3e 17.5 1.5625 35,000 5e16pt15.5 5e 17.5 1.5625 35,000 25.8 max. kv 500e16pt25.5 1e 17.5 1.5625 32,000 1e16pt25.5 1e 17.5 1.5625 32,000 dimensions * rms asymmetrical amperes = rms symmetrical amperes x 1.6 powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
10 of 10 live parts triple barrel bottom lever in closed position .56 dia. (2) holes for mounting cable/bus .44 dia. (2) holes double barrel single barrel 1.75 1.00 2.00 2.00 2.00 4.9 4.85 3.63 3.63 3.75 top lever in open position a blown fuse indicator top view 4.50 3.08 1.50 4.16 0.38" holes .78 .63 .08 .30 .31 .08 .71 1.15 .05 .78 description live parts are available for mounting e, r, and pt single, double, and triple barrel fuses. mounting clips are available for ferrule type and clip lock style fuses. all clips are sold in pairs. part number 700-520-cl ordering number 0700520.zxcl clip lock design part number 700-530 ordering number 0700530.z for use with all 3" diameter fuses. dimensions for reference only. part number 700-500 ordering number 0700500.z for use with all 13 / 16 " (.8125) diameter pt fuses part number 700-156 ordering number 0700156.z for use with 1 9 / 16 " (1.5625) to 1 5 / 8 (1.625) diameter pt fuses. part number 700-300 ordering number 0700300.z for use with 3 diameter fuses. 2.85 mounting hole dimension 2.00 3.74 1.00 dimensions in inches dimensions in inches mounting details for clip lock catalog number dimension a (inches) 10e1cl5.5 tr 150e1cl5.5 12.88 225e2cl5.5 tr 600e3cl5.5 13.88 10e1cl8.25 tr 350e3cl8.25 13.88 10e1cl15.5 tr 50e1cl15.5 16.25 65e1cl15.5 tr 300e3cl15.5 1.25 powr-gard ? fuse datasheet littelfuse.com ? 2014 littelfuse powr-gard ? products rev: 063014
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