Cut Sheet

54
Technical Data TD01701001E
Effective March 2017
UL low-voltage busway
Pow-R-Way III
EATON www.eaton.com
Specications
Part 1—General
1.01 Scope
A. The contractor shall furnish and install the busway system
including all necessary fittings, hangers, and accessories as
specified herein and as shown on the contract drawings.
1.02 Related sections
1.03 References
A. The low-voltage busway and all components shall be designed,
manufactured, and tested in accordance with the latest
applicable standards of ANSI, CSA, NEMA, and IEC:
1. NEMA BU.1.
2. ANSI/UL 857.
3. CSA C22.2 No. 27.
4. IEC 60439-1 and 2.
1.04 Submittals for review/approval
A. The following information shall be submitted to the engineer:
1. Master drawing index.
2. Isometric drawing of each busway run.
3. Busway ratings including:
a. Short-circuit rating
b. Voltage
c. Continuous current
4. Major component ratings including:
a. Voltage
b. Continuous current
c. Interrupting ratings
5. Cable terminal sizes.
1.05 Submittals for information
A. When requested by the Engineer, the following product
information shall be submitted:
1. Descriptive bulletins.
2. Product sheets.
1.06 Submittals for close-out
A. The following information shall be submitted for record purposes:
1. Final as-built drawings and information for items listed in
Section 1.04.
2. Installation information.
3. Seismic certification and equipment anchorage details.
1.07 Qualifications
A. All components shall be of the same manufacturer as
the busway.
B. For the equipment specified herein, the manufacturer shall be
ISO 9000, 9001, or 9002 certified.
C. The manufacturer of this equipment shall have produced similar
electrical equipment for a period of 10 years. When requested
by the Engineer, an acceptable list of installations with similar
equipment shall be provided demonstrating compliance with
this requirement.
D. The busway and related accessories shall be suitable for and
certified to meet all applicable seismic requirements of the
Uniform Building Code and the California Building Code for
Zone 4 application.
1.08 Delivery, storage, and handling
A. Equipment shall be handled and stored in accordance with the
manufacturer’s instructions. One copy of these instructions shall
be included with the equipment at time of shipment.
1.09 Operation and maintenance manuals
A. Ten copies of the equipment operation and maintenance
manuals shall be provided.
B. Operation and maintenance manuals shall include the
following information:
1. Instruction books or leaflets.
2. Recommended renewal parts list.
3. Drawings and information required by Section 1.06.
Part 2—Products
2.01 Manufacturers
A. Eaton
2.02 Ratings
A. The busway shall be Eaton type Pow-R-Way III and shall be:
1. Three-phase, three-wire with 50% integral housing ground.
2. Three-phase, three-wire with 50% internal ground or
50% isolated, internal ground.
3. Three-phase, three-wire with 100% ground.
4. Three-phase, four-wire with 100% neutral.
5. Three-phase, four-wire with 50% integral housing ground
and 100% neutral.
6. Three-phase, four-wire with 50% internal ground or 50%
isolated, internal ground and 100% neutral.
7. Three-phase, four-wire with 100% ground and 100% neutral.
8. Three-phase, four-wire with 200% neutral.
9. Three-phase, four-wire with 50% integral housing ground and
200% neutral.
10. Three-phase, four-wire with 50% internal ground or 50%
isolated, internal ground and 200% neutral.
11. Three-phase, four-wire with 100% ground and 200% neutral
as indicated on the Contract Drawings.
2.03 Construction
The busway and associated fittings shall consist of copper (or)
aluminum conductors totally enclosed in a two-piece extruded
aluminum housing. Outdoor feeder, indoor feeder, and indoor
plug-in shall be interchangeable at the same rating without the
use of special adapters or splice plates. Where indicated on the
contract drawings, provide indoor, sprinkler-proof, plug-in busway.
Fittings shall be identical for use with both the plug-in and feeder
types of busway. The busway shall be capable of being mounted in
the flatwise, edgewise, or vertical positions without derating. The
busway shall consist of standard 10 ft (3 m) sections with special
sections and fittings manufactured to suit the installation. Horizontal
runs shall be suitable for hanging on 10 ft (3 m) maximum centers.
Vertical runs shall be suitable for mounting on 16 ft (5 m) maximum
centers. Provide one hanger for every 10 ft (3 m) of horizontally
mounted busway. On vertical runs, provide one spring, suspension
type hanger per floor and at the end of the bus run on the last floor.