Bussmann
®
LOW-PEAK
®
Dual-Element, Time-Delay Fuses
Class RK1 – 600 Volt
Dimensional Data
5"
(± 0.31)
.81" (±0.008)
⁄Ω¡ºA
to 30A
35A to 60A
5.5"
(± 0.31)
LPS-RK
0-60 Amps
1.06" (±0.008)
Catalog Symbol:
LPS-RK_SP
Dual-Element, Time-Delay – 10 seconds (minimum) at 500%
rated current
Current-Limiting
Ampere Rating:
⁄Ω¡º
to 60A
Voltage Rating:
600Vac (or less)
300Vdc (or less)
Interrupting Rating:
ac: 300,000A RMS Sym.
dc: 100,000A
Agency Information:
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
**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.
• 300Vdc, UL Listed.
Applications:
• Branch distribution
• Motors
• Transformers
• Solenoids
• General purpose circuits
Current-Limitation Curve
Catalog Symbol and Amperes
LPS-RK-⁄Ω¡ºSP
LPS-RK-¤Ω¡ºSP
LPS-RK-‹Ω¡ºSP
LPS-RK-›Ω¡ºSP
LPS-RK-⁄Ω™SP
LPS-RK-flꭧSP
LPS-RK-°Ω¡ºSP
LPS-RK-1SP
LPS-RK-1⁄Ω•SP
LPS-RK-1⁄Ω¢SP
LPS-RK-1›Ω¡ºSP
LPS-RK-1⁄Ω™SP
LPS-RK-1flꭧSP
LPS-RK-1°Ω¡ºSP
LPS-RK-2⁄Ω¢SP
LPS-RK-2⁄Ω™SP
LPS-RK-2°Ω¡ºSP
LPS-RK-3SP
LPS-RK-3¤Ω¡ºSP
LPS-RK-3⁄Ω™SP
LPS-RK-4SP
LPS-RK-4⁄Ω™SP
LPS-RK-5SP
LPS-RK-5flꭧSP
LPS-RK-6SP
LPS-RK-6⁄Ω¢SP
LPS-RK-7SP
LPS-RK-8SP
LPS-RK-9SP
LPS-RK-10SP
LPS-RK-12SP
LPS-RK-15SP
LPS-RK-17⁄Ω™SP
LPS-RK-20SP
LPS-RK-25SP
LPS-RK-30SP
LPS-RK-35SP
LPS-RK-40SP
LPS-RK-45SP
LPS-RK-50SP
LPS-RK-60SP
—
—
—
Carton Quantity and Weight
Ampere
Ratings
0–30
35–60
*Weight per carton.
Carton
Qty.
10
10
Weight*
Lbs.
1.6
2.6
Kg.
0.725
1.178
RMS SYMMETRICAL CURRENTS IN AM
AÐB=ASYMMETRICAL AVAILABLE P
(2.3 x SYMM RMS AMPS)
CE logo denotes compliance with European Union Low Voltage Directive
(50-1000Vac, 75-1500Vdc). Refer to Data Sheet: 8002 or contact
Bussmann Application Engineering at 636-527-1270 for more information.
7-25-03
A03014
Form No. LPS-RK 0-60
Page 1 of 2
Data Sheet: 1001
Bussmann
®
LOW-PEAK
®
Dual-Element, Time-Delay Fuses
Class RK1 – 600 Volt
Time-Current Characteristic Curves–Average Melt
1.25
6.25
.15
.5
2.5
LPS-RK
0-60 Amps
.2
.3
.4
.6
.8
1
1.6
2
3.2
4
5
8
10
300
100
10
TIME IN SECONDS
.1
AMPERE RATING
1
.1
.1
100
1
RMS SYMMETRICAL CURRENT IN AMPERES
Recommended fuseblocks for
Class R 600V fuses
See Data Sheet: 1111
1,000
10
.01
TIME IN SECONDS
CURRENT IN AMPERES
The only controlled copy of this Data Sheet 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.
7-25-03
A03014
Form No.LPS-RK 0-60
Page 2 of 2
Data Sheet: 1001
DSP and ARM Processors
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