Low-Peak™ 250V Class RK1
1
LPN-RK — 250Vac/dc, ⁄10-60A, Dual Element, Time-Delay Fuses
Dimensions – in
2"
3"
(
0.31)
(
0.31)
0.56" ( 0.008)
0.81" ( 0.008)
Available with easyID™
open fuse indication
1/10 to 30A
35 to 60A
Description: Ultimate protection Class RK1 dual element,
current-limiting, time-delay fuses available with optional open
fuse indication. Time-delay – 10 seconds (minimum) at 500%
of rated current (8 seconds for 0-30A sizes).
Features:
• Industry’s only UL Listed and CSA Certified fuse with a
300kA Vac interrupting rating that exceeds requirements for
virtually all applications
• Current-limitation for maximum short-circuit protection
• Easy selective coordination with all Low-Peak fuses using
simple 2:1 ampacity ratio
Catalog Symbol: LPN-RK(amp)SP (non-indicating)
LPN-RK(amp)SPI (indicating)
Ratings:
• “No damage” Type “2” protection for IEC and NEMA
starters when properly sized
Volts — 250Vac, 125Vdc
Amps — 1⁄10-60A
• 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
IR — 300kA Vac RMS Sym.
— 100kA Vdc
• Electrically isolated end caps for added safety
Agency Information:
Recommended Fuse Blocks
CE, UL Listed, Guide JDDZ, File E4273
Fuse Amps
1-Pole
2-Pole
3-Pole
CSA Certified, Class 1422-02, File 53787,
Class RK1 per CSA C22.2, No. 248.12
H25030-1
R25030-1
H25060-1
R25060-1
H25030-2
R25030-2
H25060-2
R25060-2
H25030-3
R25030-3
H25060-3
R25060-3
0-30
Catalog Numbers (amps) Non-indicating Fuses
35-60
LPN-RK-1⁄10SP
LPN-RK-15⁄100SP
LPN-RK-2⁄10SP
LPN-RK-3⁄10SP
LPN-RK-4⁄10SP
LPN-RK-2SP
LPN-RK-9SP
LPN-RK-10SP
LPN-RK-12SP
LPN-RK-15SP
LPN-RK-21⁄
LPN-RK-21⁄
4
SP
SP
For additional information on the 250 volt fuse blocks, see
Data Sheets # 1110 (R250), # 1112 (H250).
2
LPN-RK-28⁄10SP
LPN-RK-3SP
LPN-RK-171⁄
SP
2
Fuse Reducers For Class R Fuses
LPN-RK-1⁄
2
SP
LPN-RK-32⁄10SP
LPN-RK-20SP
LPN-RK-25SP
LPN-RK-30SP
LPN-RK-35SP*
LPN-RK-40SP*
LPN-RK-45SP*
LPN-RK-50SP*
LPN-RK-60SP*
Equipment
Fuse Clips
60A
Desired Fuse
(Case) Size
30A
Catalog Numbers
(Pairs) 250V
NO.263-R
LPN-RK-6⁄10SP
LPN-RK-8⁄10SP
LPN-RK-1SP
LPN-RK-31⁄
2
SP
LPN-RK-4SP
LPN-RK-41⁄
SP
100A
30A
NO.213-R
NO.216-R
NO.226-R
2
LPN-RK-11⁄
LPN-RK-11⁄
8
SP
SP
LPN-RK-5SP
LPN-RK-56⁄10SP
LPN-RK-6SP
60A
200A
60A
4
LPN-RK-14⁄10SP
LPN-RK-16⁄10SP
LPN-RK-18⁄10SP
For additional information on Class R fuse reducers, see
Data Sheet 1118.
LPN-RK-61⁄
LPN-RK-8SP
4
SP
*
Open fuse indication available by inserting the suffix “I,” e.g. LPN-RK-50SPI.
Requires 75Vac minimum voltage.
Carton Quantity and Weight
Amp Rating
0–30
35–60
Carton Qty.
10
10
0713
BU-SB13686
Page 1 of 3
Data Sheet # 1003