EATON BUSSMANN LPT-45

® Bussmann ® Low-Peak Yellow Time Lag Fuses LPT Class T – 600 Volts, 35-60 Amps Dimensional Data 1.56" (0.06mm) 0.81" 1.00" (0.03mm) 35–60A (0.04mm) ® LPT Low-Peak Yellow Time Lag Fuse CATALOG SYMBOL: LPT • A superior all-purpose space saving branch circuit fuse that 35 TO 60 AMPERES meets most protection requirements up to 60 amps. 600 VOLTS AC (OR LESS)* • Very compact, physical size is only .81” x 1.56” (20.6mm x CURRENT LIMITING 39.7mm) with 1.0” Class T rejection feature. INTERRUPTING RATING - 200,000A RMS SYM. • Time lag to avoid unwanted fuse openings from surge cur- U.L. LISTED CLASS T ® rents when sized appropriately per NEC . (GUIDE # JDDZ, FILE # E4273) CSA HRCI-T • For protection of motor circuits up to 15 horsepower at 460V, or 20 horsepower at 575V. (CLASS 1422-02, FILE # 53787) * Self certified for 300V DC, 10kA interrupting rating. • Fast response under short-circuit conditions for a high degree of current limitation. • Maximum interrupting rating of 200,000 amperes for use in Catalog Symbols and Ampere Ratings today’s large capacity systems. LPT-35 LPT-40 LPT-45 LPT-50 LPT-60 Standard T Fuseblocks (600V) Catalog Data (reference BIF Document: 1116) Amps Poles Screw No. Box Lug Carton Quantity and Weight-LPT Time Lag (600V AC) 35 1 T60060-1SR T60060-1CR Ampere Carton Weight** to 2 T60060-2SR T60060-2CR Ratings Qty Lbs. Kg. 60 3 T60060-3SR T60060-3CR 35-60 10 0.82 0.371 **Weight per carton. Form No. LPT 12-21-98 Page 1 of 2 BIF Document:1031 SB98107 Rev. A ® Bussmann ® Low-Peak Yellow Time Lag Fuses LPT Class T – 600 Volts, 35-60 Amps Time-Current Characteristic Curves–Average Melt Current Limitation Curves B AMPERE 400,000 RATING 1,000 100,000 100 60 10,000 35 10 1,000 1 A 100 .1 RMS SYMMETRICAL CURRENTS IN AMPERES A–B=ASYMMETRICAL AVAILABLE PEAK (2.3 X SYMM RMS AMPS) Motor Application .01 Per NEC 430-52: LPT fuses may be sized at a maximum of 300% of motor F.L.A. (or next standard fuse size, if 300% does not correspond to a standard fuse size). For longer CURRENT IN AMPERES acceleration times, fuse sizing can be increased but shall not exceed 400%. 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 BIF 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 select- ed, it should be tested by the user in all possible applications. Form No. LPT 12-21-98 Page 2 of 2 SB98107 Rev. A BIF Document: 1031 INSTANTANEOUS PEAK LET-THRU CURRENT IN AMPS 100 1,000 10,000 100,000 200,000 AMPERE RATING TIME IN SECONDS 10 35 100 60 1000 10,000 60,000