®
Bussmann
®
LOW-PEAK
LPN-RK
Dual-Element, Time-Delay Fuses
Class RK1 – 250 Volt
⁄Ω¡º-60A
Dimensional Data
2"
(± 0.31)
3"
(± 0.31)
0.81" (± 0.008)
0.56" (± 0.008)
⁄Ω¡ºA to 30A
35A to 60A
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.
Catalog Symbol: LPN-RK_SP
Dual-Element, Time-Delay – 10 seconds (minimum) at 500%
rated current (8 seconds for 0-30A sizes)
Current-Limiting
• 125 Vdc, U.L. Listed.
Ampere Rating: ⁄Ω¡º to 60 Amperes
Voltage Rating: 250 Volts AC (or less)
Interrupting Rating:
AC: 300,000A RMS Sym.
DC: 50,000 Amperes
Fuse Reducers For Class R Fuses
Desired
Fuse (Case)
Size
Catalog Number
(Pairs)
Equipment
Fuse Clips
250V
60A
30A
30A
60A
60A
No. 263-R
No. 213-R
No. 216-R
No. 226-R
100A
Agency Approvals:
UL Listed – Special Purpose*, Guide JFHR, File E56412
CSA Certified (200,000AIR), Class 1422-02, File 53787
Class RK1 per CSA C22.2, No. 248.12
*Meets all performance requirements of UL Standard 248-12 for Class RK1 fuses.
200A
Fuseblocks
30 Amp Case
Catalog Numbers
1 Pole
2 Pole
3 Pole
LPN-RK-⁄Ω¡ºSP
LPN-RK-⁄fiΩ¡ººSP
LPN-RK-¤Ω¡ºSP
LPN-RK-‹Ω¡ºSP
LPN-RK-›Ω¡ºSP
LPN-RK-⁄Ω™SP
LPN-RK-flꭧSP
LPN-RK-°Ω¡ºSP
LPN-RK-1SP
LPN-RK-2SP
LPN-RK-2⁄Ω¢SP
LPN-RK-2⁄Ω™SP
LPN-RK-2°Ω¡ºSP
LPN-RK-3SP
LPN-RK-3¤Ω¡ºSP
LPN-RK-3⁄Ω™SP
LPN-RK-4SP
LPN-RK-4⁄Ω™SP
LPN-RK-5SP
LPN-RK-5flꭧSP
LPN-RK-6SP
LPN-RK-6⁄Ω¢SP
LPN-RK-8SP
LPN-RK-9SP
LPN-RK-10SP
LPN-RK-12SP
LPN-RK-15SP
LPN-RK-17⁄Ω™SP
LPN-RK-20SP
LPN-RK-25SP
LPN-RK-30SP
LPN-RK-35SP
LPN-RK-40SP
LPN-RK-45SP
LPN-RK-50SP
LPN-RK-60SP
—
Box Lug
Screw
R25030-1CR
R25030-1SR
R25030-1PR
R25030-2CR
R25030-2SR
R25030-2PR
R25030-3CR
R25030-3SR
R25030-3PR
Pressure
Plate
60 Amp Case
1 Pole
2 Pole
3 Pole
Box Lug
Screw
R25060-1CR
R25060-1SR
R25060-1PR
R25060-2CR
R25060-2SR
R25060-2PR
R25060-3CR
R25060-3SR
R25060-3PR
Pressure
Plate
LPN-RK-1⁄Ω•SP
LPN-RK-1⁄Ω¢SP
LPN-RK-1›Ω¡ºSP
LPN-RK-1flꭧSP
LPN-RK-1°Ω¡ºSP
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 Quantity and Weight
Weight**
Ampere
Ratings
Carton
Qty.
Lbs.
0.5
Kg.
0–30
10
10
0.227
0.544
35–60
1.2
**Weight per carton.
Form No. LPN-RK 0-60
Page 1 of 2
12-1-99
BIF Doc #1003
A99074
Rev. A