Bussmann® LOW-PEAK® LPS-RK Dual-Element, Time-Delay Fuses Class RK1 – 600 Volt 0-60 Amps Dimensional Data 5.5" (± 0.31) 5" (± 0.31) .81" (±0.008) 1.06" (±0.008) ⁄Ω¡ºA to 30A LPS-RK-20SP LPS-RK-5flΩ¡ºSP LPS-RK-25SP LPS-RK-‹Ω¡ºSP LPS-RK-1°Ω¡ºSP LPS-RK-6SP LPS-RK-30SP LPS-RK-›Ω¡ºSP LPS-RK-2⁄Ω¢SP LPS-RK-6⁄Ω¢SP LPS-RK-35SP LPS-RK-⁄Ω™SP LPS-RK-2⁄Ω™SP LPS-RK-7SP LPS-RK-40SP LPS-RK-flΩ¡ºSP LPS-RK-2°Ω¡ºSP LPS-RK-8SP LPS-RK-45SP LPS-RK-°Ω¡ºSP LPS-RK-3SP LPS-RK-9SP LPS-RK-50SP LPS-RK-1SP LPS-RK-3¤Ω¡ºSP LPS-RK-10SP LPS-RK-60SP LPS-RK-1⁄Ω•SP LPS-RK-3⁄Ω™SP LPS-RK-12SP — LPS-RK-1⁄Ω¢SP LPS-RK-1›Ω¡ºSP LPS-RK-4SP LPS-RK-4⁄Ω™SP LPS-RK-15SP LPS-RK-17⁄Ω™SP — — Carton Quantity and Weight Ampere Ratings Carton Qty. Weight* Lbs. Kg. 0–30 10 1.6 0.725 35–60 10 2.6 1.178 *Weight per carton. CE logo denotes compliance with European Union Low Voltage Directive (50-1000 VAC, 75-1500 VDC). Refer to BIF document #8002 or contact Bussmann Application Engineering at 636-527-1270 for more information. 12-1-99 A99074 Rev. A AMPERE RATING LPS-RK-5SP LPS-RK-1flΩ¡ºSP 100,000 60 10,000 30 A 1,000 200,000 LPS-RK-1⁄Ω™SP LPS-RK-¤Ω¡ºSP B 400,000 100,000 LPS-RK-⁄Ω¡ºSP Current-Limitation Curve 10,000 Catalog Symbol and Amperes Applications: • Branch distribution • Motors • Transformers • Solenoids • General purpose circuits 1,000 **Meets all performance requirements of UL Standard 248-12 for Class RK1 fuses. Features: • Current-limitation for maximum short-circuit protection. • Type 2 protection for IEC and NEMA starters when properly sized. • High inrush current motor protection. • Time-delay permits 130% FLA sizing for back-up motor protection. • Protection against single-phase motor damage. • Low watt loss power consumption. • Electrically isolated end caps. • 300 Vdc, U.L. Listed. INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS Catalog Symbol: LPS-RK_SP Dual-Element, Time-Delay – 10 seconds (minimum) at 500% rated current Current-Limiting Ampere Rating: ⁄Ω¡º to 60 Amperes Voltage Rating: 600 Volts AC (or less) Interrupting Rating: AC: 300,000A RMS Sym. DC: 50,000 Amperes Agency Approvals: UL Listed, Special Purpose**, Guide JFHR, File E56412 CSA Certified, (200,000AIR), Class RK1 per CSA C22.2, No. 248.12, Class 1422-02, File 53787 35A to 60A RMS SYMMETRICAL CURRENTS IN AMPERES A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 x SYMM RMS AMPS) Form No. LPS-RK 0-60 Page 1 of 2 BIF Doc #1001 Bussmann® LOW-PEAK® LPS-RK Dual-Element, Time-Delay Fuses Class RK1 – 600 Volt 0-60 Amps AMPERE RATING 60A 30A 20A 6.25 2.5 1.25 .5 300 .2 .3 .4 .6 .8 1 1.6 2 3.2 4 5 8 10 12 300 .1 .15 Time-Current Characteristic Curves–Average Melt AMPERE RATING 100 100 10 1 TIME IN SECONDS TIME IN SECONDS 10 RMS SYMMETRICAL CURRENT IN AMPERES 1 1,000 10 1 .1 .01 100 .1 .1 Fuseblocks: 30 Amp Case 1 Pole 2 Pole Box Lug R60030-1CR R60030-2CR 3 Pole R60030-3CR Screw R60030-1SR R60030-2SR R60030-3SR Pressure Plate R60030-1PR R60030-2PR R60030-3PR 1 Pole 2 Pole 3 Pole R60060-3CR R60060-2SR R60060-3SR Pressure Plate R60060-1PR R60060-2PR R60060-3PR 100 20,000 R60060-2CR R60060-1SR 10,000 R60060-1CR Screw 1,000 Box Lug 30 .01 60 Amp Case RMS SYMMETRICAL CURRENT IN AMPERES The only controlled copy of this BIF document is the electronic read-only version located on the Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications. 12-1-99 A99074 Rev. A Form No.LPS-RK 0-60 Page 2 of 2 BIF Doc #1001