Effective August 2018
Technical Data 1001
Supersedes March 2017
LPS-RK — 600 Vac/300 Vdc, 1⁄10-60A,
dual element, time-delay fuses
Catalog no.
LPS-RK-1/10SP LPS-RK-11/2SP LPS-RK-41/2SP LPS-RK-171/2SP*
LPS-RK-2/10SP LPS-RK-16/10SP LPS-RK-5SP
LPS-RK-3/10SP LPS-RK-18/10SP LPS-RK-56/10SP LPS-RK-25SP*
LPS-RK-4/10SP LPS-RK-2SP LPS-RK-6SP* LPS-RK-30SP*
LPS-RK-1/2SP LPS-RK-21/4SP LPS-RK-61/4SP* LPS-RK-35SP*
LPS-RK-20SP*
LPS-RK-6/10SP LPS-RK-21/2SP LPS-RK-7SP*
LPS-RK-8/10SP LPS-RK-28/10SP LPS-RK-8SP*
LPS-RK-40SP*
LPS-RK-45SP*
LPS-RK-50SP*
LPS-RK-60SP*
LPS-RK-1SP
LPS-RK-3SP
LPS-RK-9SP*
LPS-RK-11/8SP LPS-RK-32/10SP LPS-RK-10SP*
LPS-RK-11/4SP LPS-RK-31/2SP LPS-RK-12SP*
LPS-RK-14/10SP LPS-RK-4SP
LPS-RK-15SP*
* Open fuse indication available by inserting the suffix “I,”
e.g., LPS-RK-15SPI. Requires 75Vac minimum voltage.
Indicating fuses and the LPS-RK-60SP non-indicating fuse
are not Vdc rated.
Carton quantity
Catalog symbols:
•ꢀ
10
•ꢀ
LPS-RK-_SP (non-indicating)
Applications
•ꢀ
LPS-RK-_SPI (indicating
•ꢀ
Feeder and branch circuits
•ꢀ
Motors
Description:
•ꢀ
Transformers
Ultimate protection Class RK1 dual element,
current-limiting, time-delay fuses available with
optional open fuse indication on select ratings.
Time-delay – 10 seconds (minimum) at 500% of
rated current.
•ꢀ
Solenoids
•ꢀ
General purpose circuits
Features and benefits
•ꢀ
Industry’s only UL Listed and CSA Certified fuse
Rating
with a 300kA interrupting rating that allows for
simple, worry-free installation in virtually any
application.
•ꢀ
Volts
•ꢀ 600 Vac
•ꢀ
•ꢀ 300 Vdc*
Fast short-circuit protection and dual-element,
time-delay performance provide ultimate
protection.
•ꢀ
Amps 1/10-60 A
•ꢀ
IR
•ꢀ
Reduces existing fuse inventory by up to 33%
when upgrading to Low-Peak fuses.
•ꢀ 300 kA Vac RMS Sym.
•ꢀ 100 kA DC
•ꢀ
Consistent 2:1 ampacity ratios for all Low-Peak
fuses make selective coordination easy.
* DC rating does not apply all indicating versions (LPS-RK-_
•ꢀ
Time-delay permits 130% FLA sizing for back-up
motor protection.
SPI) and the LPS-RK-60SP, non-indicating fuse.
Agency information
•ꢀ
Current-limitation protects downstream
components against damaging thermal and
magnetic effects of short-circuit currents.
•ꢀ
UL Listed, Guide JDDZ, File E4273
•ꢀ
CSA Certified, Class 1422-02, File 53787, Class
RK1 per CSA C22.2, No. 248.12
•ꢀ
Protects against single-phase motor damage.
•ꢀ
CE
•ꢀ
Proper sizing can provide “no damage” Type 2
coordinated protection for NEMA and IEC motor
controllers.