SECTION 26 28 13
FUSES
PART 1
1.01
1.02
DESCRIPTION
A.
Furnish and install 600 volt and 250 volt fuses as herein specified and sized as shown on
the Drawings.
B.
Provide all accessories as specified.
C.
All fuses shall be provided by the same Manufacturer.
D.
For fuses greater than 600 volts, refer to appropriate equipment Specification Section.
QUALITY ASSURANCE
A.
1.03
1.04
A.
For Review:
1. Product data sheets of fuses and accessories
2. Fuse curves and selectivity ratio charts
B.
To be included in Record and Information Manuals:
1. One (1) copy of each approved submittal
2. Certificate of Material Receipt
MANUFACTURERS
PART 2
PRODUCTS
Fuses shall be 600 volt, UL Class L, current limiting, 200,000 Ampere interrupting rating
with minimum time delay of 4 seconds at 500 percent rating. Fuse terminals shall be
silver-plated, and fuse links shall be silver.
1. Bussmann KRP-C HI-CAP
FUSES - 600 AMPERES AND BELOW
A.
15-089
Fuses
1. Bussmann
2. Littelfuse
FUSES - 601 AMPERES AND ABOVE
A.
2.02
All equipment shall be UL listed and labeled and in accordance with applicable NEMA and
ANSI Standards.
SUBMITTALS
A.
2.01
GENERAL
Fuses shall be rated 600 volt for nominal 480 volt systems and 250 volt for nominal 240 or
208 volt systems. Fuses shall be UL Class RK, current limiting, 200,000 Ampere
interrupting rating, dual element, with minimum time delay of 10 seconds at 500 percent
rating.
1. Bussmann LPN-RK (250 volt) or LPS-RK (600 volt)
26 28 13 - 1
26 28 13 - FUSES
2.03
B.
In-line fuse and fuse holders for high intensity discharge luminaires shall be 600 volt, UL
Class CC, current limiting, 200,000 Ampere interrupting rating, single element non-time
delay fuses in a waterproof single or two (2) pole fuse holder.
1. Bussmann KTK-R in HEB or HEY holder
C.
Motor control circuits shall use 600 volt, UL Class CC, current limiting, 200,000 Ampere
interrupting rating, single element, non-time delay fuses.
1. Bussmann KTK-R
D.
In-line fuse and holder combination units for fluorescent luminaires shall be glass ferrule
fuses in a two (2) piece insulating fuse holder with 6 inch pigtail conductors.
1. Bussmann GLR with HLR holder
FUSE REDUCERS
A.
2.04
SPARE FUSE CABINET
A.
Spare fuse cabinet shall be heavy 0.080" gauge aluminum wall mountable cabinet with
internal shelves, 30" x 24" x 12", locking handle with cylinder type lock.
B.
Bussmann SFC
PART 3
3.01
3.02
Fuse reducers shall be Bussmann 200-R or 600-R Series.
EXECUTION
INSTALLATION
A.
Install fuses in all fusible devices with name and fuse size facing outward.
B.
Install spare fuse cabinets in main electrical room. Provide a list of all spare fuse sizes,
types and quantities on inside of door.
C.
Install fuse reducers in equipment where required.
SPARE PARTS
A.
Provide spare fuses in the following quantities:
1. 601 Amperes and above
- three (3) of each current rating
2. 600 Amperes and below
- 10% of quantity used (minimum three (3)) of each
voltage and current rating and UL Class
B.
Refer to Section 26 00 99, "Requirements for Contract Completion."
END OF SECTION 26 28 13
15-089
26 28 13 - 2