Bussmann
®
LOW-PEAK
®
Dual-Element, Time-Delay Fuses w/Permanent Fuse Indication
LPS-RK_SPI
6-60 Amps
Class RK1 – 600 Volt
Dimensional Data
5"
(± 0.31)
.81" (±0.008)
6A to 30A
35A to 60A
5.5"
(± 0.31)
1.06" (±0.008)
Catalog Symbol:
LPS-RK_SPI
Dual-Element, Time-Delay – 10 seconds (minimum) at 500%
rated current
Current-Limiting
Ampere Rating:
6
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.
• Permanent fuse Indication
• 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.
• Minimum voltage for indication is 75Vac.
Applications:
• Branch distribution
• Motors
• Transformers
• Solenoids
• General purpose circuits
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.
Catalog Symbol and Amperes
LPS-RK-6SPI
LPS-RK-7SPI
LPS-RK-8SPI
LPS-RK-9SPI
LPS-RK-10SPI
LPS-RK-12SPI
LPS-RK-15SPI
LPS-RK-17⁄Ω™SPI
LPS-RK-20SPI
LPS-RK-25SPI
LPS-RK-30SPI
LPS-RK-35SPI
LPS-RK-40SPI
LPS-RK-45SPI
LPS-RK-50SPI
LPS-RK-60SPI
Carton Quantity and Weight
Ampere
Ratings
6–30
35–60
*Weight per carton.
Carton
Qty.
10
10
Weight*
Lbs.
1.6
2.6
Kg.
0.725
1.178
For non-indicating version, the LPS-RK_SP
is available. See Data Sheet: 1001
8-26-04
SB04295
Form No. LPS-RK_SPI
Page 1 of 3
Data Sheet: 1061
Bussmann
®
LOW-PEAK
®
Dual-Element, Time-Delay Fuses w/Permanent Fuse Indication
LPS-RK_SPI
6-60 Amps
Class RK1 – 600 Volt
Current-Limitation Curve
INSTANTANEOUS PEAK LET-THROUGH CURRENT IN AMPS
RMS SYMMETRICAL CURRENTS IN AMPERES
A–B=ASYMMETRICAL AVAILABLE PEAK
(2.3 x SYMM RMS AMPS)
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.
8-26-04
SB04295
Form No. LPS-RK_SPI
Page 3 of 3
Data Sheet: 1061
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