SECTION 16480

MOTOR CONTROL

PART 1 GENERAL

WORK INCLUDED

Manual motor starters.

Magnetic motor starters.

Combination magnetic motor starters.

Motor control centers.

Motor starter panelboards.

RELATED WORK

Section 16190 - Supporting Devices: Housekeeping pads.

REFERENCES

ANSI/NEMA ICS 6 - Enclosures for Industrial Controls and Systems.

ANSI/IEEE 344 - Recommended Practices for Seismic Qualification of Class 1E Equipment for Nuclear Power Generating Stations.

ANSI/UL 198C - High-Intensity Capacity Fuses; Current-Limiting Types.

ANSI/UL 198E - Class R Fuses.

FS W-C-375 - Circuit Breakers, Molded Case; Branch Circuit and Service.

FS W-P-115 - Power Distribution Panel.

FS W-F-870 - Fuseholders (For Plug and Enclosed Cartridge Fuses).

FS W-S-865 - Switch, Box, (Enclosed), Surface-Mounted.

NEMA AB 1 - Molded Case Circuit Breakers.

NEMA ICS 2 - Industrial Control Devices, Controllers, and Assemblies.

NEMA KS 1 - Enclosed Switches.

NEMA PB 1 - Panelboards.

NEMA PB 1.1 - Instructions for Safe Installation, Operation and Maintenance of Panelboards Rated 600 Volts or Less.

SUBMITTALS

Submit shop drawings and product data under provisions of Section [01300.] [01340.]

Indicate on shop drawings, front and side views of motor control center enclosures with overall dimensions. Include conduit entrance locations and requirements; nameplate legends; size and number of bus bars per phase, [neutral,] and ground; electrical characteristics including voltage, frame size and trip ratings, withstand ratings, and time-current curves of all equipment and components.

Provide product data on motor starters and combination motor starters, relays, pilot devices, and switching and overcurrent protective devices.

Submit manufacturers' instructions under provisions of Section [01300.] [01340.]

OPERATION AND MAINTENANCE DATA

Submit operation and maintenance data under provisions of Section [01700.] [01730.]

Include spare parts data listing; source and current prices of replacement parts and supplies; and recommended maintenance procedures and intervals.

DELIVERY, STORAGE, AND HANDLING

Deliver products to site under provisions of Section [01600.] [01610.]

Deliver in [60] [_____] inch ([1.2] [_____] m) maximum width shipping splits, individually wrapped for protection, and mounted on shipping skids.

Store and protect products under provisions of Section [01600.] [01610.]

Store in a clean, dry space.	Maintain factory wrapping or provide an additional heavy canvas or heavy plastic cover to protect units from dirt, water, construction debris, and traffic.

Handle in accordance with manufacturer's written instructions. Lift only with lugs provided for the purpose. Handle carefully to avoid damage to motor control center components, enclosure, and finish.

SPARE PARTS

Keys: Furnish [_____] each to Owner.

Fuses: Furnish to Owner [_____] spare fuses of each type

and rating installed.

Fuse Pullers: Furnish [one] [_____] fuse puller to Owner.

PART 2 PRODUCTS

ACCEPTABLE MANUFACTURERS - MOTOR STARTERS

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MANUAL MOTOR STARTERS

Manual Motor Starter: NEMA ICS 2; size [M-0] [M-1] [M-1P], [2] [3] pole, AC general-purpose Class A manually operated [non-reversing] [reversing] full-voltage controller for induction motors rated in horsepower, with overload relay, [low voltage protection,] [red pilot light,] [[NO] [NC] auxiliary contact,] and [push button] [toggle] operator.

Fractional Horsepower Manual Starter: NEMA ICS 2; AC general-purpose Class A manually operated, [1] [2] pole, full-voltage controller for fractional horsepower induction motors, with thermal overload unit, [[red] [green]] pilot light,] and [key] [toggle] operator.

Motor Starting Switch: NEMA ICS 2; AC general-purpose Class A manually operated [1] [2] pole, full-voltage controller for fractional horsepower induction motors, without thermal overload unit, [low voltage protection,] [red pilot light,] [[NO] [NC] auxiliary contact,] and [push button] [toggle] operator.

Enclosure: ANSI/NEMA ICS 6; Type [1.] [1B.] [4.]

MAGNETIC MOTOR STARTERS

Magnetic Motor Starters: NEMA ICS 2; AC general-purpose Class A magnetic controller for induction motors rated in horsepower.

Full Voltage Starting: [Reversing] [Non-reversing] type.

Reduced Voltage Starting: [Reactor] [Resistance] [Autotransformer] [Open-circuit transition wye-delta] [Closed-circuit transition wye-delta] [Full-voltage part- winding] [Reduced-voltage part-winding] type.

Two Speed Starting: Two speed, [one] [two] winding, [constant torque] [variable torque] [constant horsepower] type. [Include integral time delay transition between FAST and SLOW speeds.]

Coil Operating Voltage: [120] [480] [_____] volts, [[60] [_____] Hertz.] [DC.]

Size: NEMA ICS 2; size as shown on Drawings.

Overload Relay: NEMA ICS 2; [bimetal.] [melting alloy.]

Enclosure: [NEMA ICS 6; Type [1.] [3R.] [4.] [12.]] [Open type.]

Combination Motor Starters: [Combine motor starters with [molded case circuit breaker] [motor circuit protector] [non-fusible switch] [fusible switch] disconnect in common enclosure.] [Combine motor starters with disconnecting means, type as scheduled.]

Auxiliary Contacts: NEMA ICS 2; [two] [_____] and [normally [open] [closed]] [field convertible] contacts in addition to seal-in contact.

Pushbuttons: NEMA ICS 2; [START/STOP] [START/STOP/JOG] in front cover.

Indicating Lights: NEMA ICS 2; [RUN: green] [_____] in front cover.

Selector Switches: NEMA ICS 2; [HAND/OFF/AUTO] [_____], [locking type] [______], in front cover.

Relays: NEMA ICS 2; [_________________________]

Control Power Transformers: [120] [_____] volt secondary, [[___] VA minimum, in each motor starter.] [capacity as scheduled.]

CONTROLLER OVERCURRENT PROTECTION AND DISCONNECTING MEANS

Molded Case Thermal-Magnetic Circuit Breakers: [NEMA AB 1;] [FS W-C-375;] circuit breakers with integral thermal and instantaneous magnetic trip in each pole.

Motor Circuit Protector: [NEMA AB 1;] [FS W-C-375;] circuit breakers with integral instantaneous magnetic trip in each pole.

Nonfusible Switch Assemblies: [NEMA KS 1;] [FS W-S-865;] quick-make, quick-break, load interrupter enclosed knife switch with externally operable handle. Provide interlock to prevent opening front cover with switch in ON position. Handle lockable in OFF position.

Fusible Switch Assemblies: [NEMA KS 1;] [FS W-S-865;] quick-make, quick-break, load interrupter enclosed knife switch with externally operable handle. Provide interlock to prevent opening front cover with switch in ON position. Handle lockable in OFF position. Fuse Clips: [FS W-F-870.] [Designed to accommodate Class [R] [J] fuses.]

ACCEPTABLE MANUFACTURERS - MOTOR CONTROL CENTER

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MOTOR CONTROL CENTER

Motor Control Centers: NEMA ICS 2; Class [I] [II], Type [A.] [B.] [C.]

Main Overcurrent Protection: [Molded case circuit breaker.] [Fusible switch.] [As scheduled.]

Motor Starters: As scheduled.

Feeder Tap Units: [Molded case thermal-magnetic circuit breakers.] [Fusible switches.] [As scheduled.]

Voltage Rating: [480] [120/208] [_____] volts, three phase, [three] [four] wire, [60] [_____] Hertz.

Horizontal Bussing: [Copper] [Aluminum], with a continuous current rating of [600] [_____] amperes. Include copper ground bus entire length of control center.

Vertical Bussing: NEMA ICS 2; [copper.] [aluminum.]

Integrated Equipment Short Circuit Rating: [___] amperes rms symmetrical at [480] [___] volts.

Configuration: [Units front mounting only, accessible from the [front only.] [front and rear.]] [Units front and rear mounting.]

Enclosure: ANSI/NEMA ICS 6; Type [1.] [2.] [3R, non-walk-in.] [3R, walk-in.] [12.]

Finish: [Manufacturer's standard gray enamel.] [_______.]

Provide phase loss protection relay with contacts to de-energize each motor starter in control center.

Control Transformer: Provide [_____] kVA control transformer in motor control center to provide [120] [_____] volt control source for all motor starters in control center.

Seismic Requirements: ANSI/IEEE 344; Class I.

Floor Response Spectrum: [___], [___], and [___] at two, five, and ten percent damping factor, respectively.

Other Seismic Conditions or Requirements: [______________________________.]

ACCEPTABLE MANUFACTURERS - MOTOR STARTER PANELBOARD

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

MOTOR STARTER PANELBOARD

Motor Starter Panelboards: [NEMA PB 1; [circuit breaker] [fusible switch] type.] [FS W-P-115; [Type I, Class 1.] [Type II, Class 2.]]

Motor Starters: As [scheduled.] [indicated on Drawings.]

Enclosure: NEMA PB 1; Type [1.] [3R.] [___.] Cabinet Box: [___] inches ([___] mm) deep by [___] inches ([___] mm) wide.

Provide surface cabinet front with [concealed trim clamps,] [screw cover,] [and hinged door with flush lock.] Finish in manufacturer's standard gray enamel.

Provide motor starter panelboards with [copper] [aluminum] bus, ratings as scheduled [on Drawings]. Provide copper ground bus in all motor starter panelboards.

Minimum Integrated Short Circuit Rating: [___] amperes rms symmetrical at [480] [___] volts, three phase.

ACCEPTABLE MANUFACTURERS - FUSES

[________________________________________.]

[________________________________________.]

[________________________________________.]

Substitutions: Under provisions of Section [01600.] [01630.]

FUSES

Fuses: [ANSI/UL 198C, Class J;] [ANSI/UL 198E, Class [RK1.] [RK5;]] [As indicated [in schedule at end of this Section;] [on Drawings;]] [dual element,] current limiting,

[time delay,] one-time fuse, [250] [600] volt.

Interrupting Rating: 200,000 rms amperes.

PART 3 EXECUTION

INSTALLATION

Install motor control equipment in accordance with manufacturer's instructions.

Motor Starter Panelboard Installation: In conformance with NEMA PB 1.1.

Install fuses in fusible switches.

Select and install heater elements in motor starters to match installed motor characteristics.

Motor Data: Provide neatly typed label inside each motor starter enclosure door identifying motor served, nameplate horsepower, full load amperes, code letter, service factor, and voltage/phase rating.

END OF SECTION