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Bussmann(R)
LOW-PEAK
(R)
LPJ
1-60 Amps
General Information: * True dual-element fuses with a minimum 10 second timedelay at 500% overload. * Long time-delay minimizes needless fuse openings due to temporary overloads and transient surges. * Can often be sized for back-up protection against motor burnout from overload or single-phasing if other overload protective devices fail. * High interrupting rating to safely interrupt overcurrents up to 300,000 amperes. * High degree of current limitation due to the fast speed-ofresponse to short-circuits. * Faster response to damaging short-circuit currents than mechanical overcurrent protective devices. * Reduces let-through thermal and magnetic forces in order to protect low withstand rated components. * Proper sizing provides "no damage" Type "2" coordinated protection for NEMA and IEC motor control in accordance with IEC Standard 947-4-1. * Dual-element fuses have lower resistance than ordinary fuses so they run cooler. * Lower watts loss reduces power consumption. * Unique dimensions assure that another class of fuse with a lesser voltage rating, interrupting rating or current-Iimiting ability cannot be substituted. * Space-saving package for equipment down sizing.
Dual-Element Time-Delay Fuses Class J - 600 Volt
Dimensional Data
2.25" ( 0.03) .81" .5" ( 0.03) 1A to 30A 2.38" ( 0.03) .63"
35A to 60A
1.06" ( 0.03)
Catalog Symbol: LPJ-_SP Dual-Element, Time-Delay - 10 seconds (minimum) at 500% rated current Current-Limiting Ampere Rating: 1 to 60 Amperes Voltage Rating: 600 Volts AC (or less) Interrupting Rating: 300,000A RMS Sym. (UL) Agency Approval: UL Listed -- Special Purpose*, Guide JFHR, File E56412 CSA Certified, 200,000 AIR, Class J per CSA 22.2 No. 248.8 Class 1422-02, File 53787
0-600A is rated 300 VDC and 20 KAIC. *Meets all performance requirements of UL Standard 248-8 for Class J fuses.
Catalog Symbol and Ampere Ratings
LPJ-1SP LPJ-1SP LPJ-1-flSP LPJ-1-SP LPJ-2SP LPJ-2SP LPJ-2TMSP LPJ-2SP LPJ-3SP LPJ-3-SP LPJ-3TMSP LPJ-4SP LPJ-4TMSP LPJ-5SP LPJ-5flSP LPJ-6SP LPJ-7SP LPJ-8SP LPJ-9SP LPJ-10SP LPJ-12SP LPJ-15SP LPJ-17TMSP LPJ-20SP LPJ-25SP LPJ-30SP LPJ-35SP LPJ-40SP LPJ-45SP LPJ-50SP LPJ-60SP
Pyramid(R) J Fuseblock; 30A, 600V; 3-Pole; Panel or 35mm DIN-Rail Mount
Mounting Catalog Numbers Screws with Pressure Plate Panel JP60030-3PR (#10-14 Cu Wire) JP60030-3PRA (#10-14 Cu Wire) Aluminum JP60030-3CR (#2-8 Al or #2-14 Cu) JP60030-3CRA (#2-8 AI or #2-14 Cu) Box Copper Only JP60030-3COR (#2-14 Cu) JP60030-CORA (#2-14 Cu)
Carton Quantity and Weight
Ampere Ratings 1-30 35-60 **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. Carton Qty. 10 10 Weight** Lbs. 1.09 1.78 Kg. 0.494 0.808
With DIN-Rail Adapter*
*Adapter Only for DIN-Rail (35mm symmetrical) - Cat No. JPA-3.
Standard J Fuseblocks (600V) Catalog Data
Amps Poles Screw 1 1-30 2 3 1 35-60 2 3 J60030-1S J60030-2S J60030-3S -- -- -- Pressure Plate J60030-1P J60030-2P J60030-3P -- -- -- Box Lug Box Lug w/ Max. Wire Retaining Clip Size S, P #10Cu C, CR #2Cu-Al
J60030-1C J60030-1CR J60030-2C J60030-2CR J60030-3C J60030-3CR J60060-1C J60060-1CR J60060-2C J60060-2CR J60060-3C J60060-3CR
#2Cu-Al
9-7-99 A99016
Rev. A
Form No. LPJ 1-60 Page 1 of 3 BIF Doc #1006
Bussmann(R)
LOW-PEAK(R)
Dual-Element Time-Delay Fuses Class J - 600 Volt
LPJ
1-60 Amps
Time-Current Characteristic Curves-Average Melt
300 100 10A 15A 20A 30A 40A 50A 60A 1A 3A 5A AMPERE RATING
10 TIME IN SECONDS
1
.1
RMS SYMMETRICAL CURRENT IN AMPERES
9-7-99 A99016
Rev. A
Form No. LPJ 1-60 Page 2 of 3 BIF Doc #1006
10,000
1,000
100
10
1
.01
Bussmann(R)
LOW-PEAK(R)
Dual-Element Time-Delay Fuses Class J - 600 Volt
Current Limitation Curves
LPJ
1-60 Amps
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.
9-7-99 A99016
Rev. A
Form No. LPJ 1-60 Page 3 of 3 BIF Doc #1006

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