SECTION 16352

MEDIUM VOLTAGE MOTOR CONTROLLERS

PART 1 GENERAL

SECTION INCLUDES

Medium voltage motor controllers.

REFERENCES

ANSI/IEEE C37.46 - Specifications for Power Fuses and Fuse Disconnecting Switches.

ANSI/Z55.1 - Gray Finishes for Industrial Apparatus and Equipment.

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

SUBMITTALS

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

Submit shop drawings indicating outline dimensions, enclosure construction, lifting and supporting points, electrical single line diagram, and equipment electrical ratings.

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

Submit product data for components and accessories.

Submit manufacturer's installation instructions under provisions of Section [01300.] [01340.]

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the products specified in this Section with minimum [three] [_____] years [documented] experience.

DELIVERY, STORAGE, AND HANDLING

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

Store and protect products under provisions of Section [01600.] [01620.]

Accept products on site and verify damage.

Protect products from weather and moisture by covering with heavy plastic or canvas and by maintaining heating within enclosure in accordance with manufacturer's instructions.

EXTRA MATERIALS

Submit maintenance materials under provisions of Section [01700.] [01750.]

Submit two insulated-handle tools designed for pulling fuses, to ANSI/IEEE C37.46.

Submit [two] [sets] of three spare fuses of each size and rating under provisions of Section [01700.] [01750.]

PART 2 PRODUCTS

MANUFACTURERS

[________________________________] Product [____________.]

[________________________________] Product [____________.]

[________________________________] Product [____________.]

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

MOTOR CONTROLLER

Medium Voltage Motor Controller: NEMA ICS 2; Class E2.

System Voltage: [_____] kV, three phase, 60 Hz.

Rated Insulation Voltage: [2500] [5000] [7200] volts.

Interrupting Rating: [__________] rms symmetrial MVA at nominal utilization voltage.

Motor Type and Size: [Induction] [Synchronous] motor, [rated [_____] hp.] [horsepower rating shown on Drawings.]

Motor Starting Method: [Full Voltage, Non-Reversing.] [Full Voltage, Reversing.] [Reduced Voltage, Non- Reversing, [Primary Reactor] [_______________] type.]

COMPONENTS

Contactor: NEMA ICS 2; [Fixed] [Drawout] type, [size [H2.] [H3.] [H4.] [H5.]] [size as indicated in Drawings.]

Medium Voltage Fuse: ANSI/IEEE C37.46; [[1.5R] [2.0R] [_____] rated.] [Ratings shown on Drawings.]

Fuse Voltage: [2.54] [5.08] kV, maximum.

Fuse Interrupting Rating: [40,000] [50,000] amperes rms symmetrical.

Thermal Overload Relays: [Inductive] [Thermal] [Solid state] type, selected by manufacturer to protect motors with horsepowers [specified.] [indicated.]

ACCESSORIES

Surge Arrestors: [Intermediate] [Distribution] class, rated [_____] kV; mount in incoming line compartment.

Incoming Cable Terminations: Clamp-type, with adequate space for stress cone installation.

Space Heaters: For [120] [_____] volt external source, sized by controller manufacturer.

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

Pushbuttons: NEMA ICS 2; [START/STOP] [START/STOP/JOG] in front cover, with [unguarded] [recessed] [shrouded] [shielded] [covered] [lockable] type operator.

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

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

Control Relays: NEMA ICS 2; Class [A300] [_____] with Form [Z] [A] [B] [C] contacts rated [A150] [_____] and [120] [_____] volts, [60 Hz., AC] [DC] operating coil.

Control Power Transformer: [120] volt secondary, [[_____] va minimum.] [sized by controller manufacturer.]

FABRICATION

Construction: [Indoor.] [Weatherproof.]

FACTORY FINISHES

Clean surfaces before applying paint.

Apply corrosion-resisting primer to all surfaces.

Apply finish coat of [baked enamel] [____________________] paint to [2] [4] [___] mils ([0.5] [1] [___] mm) thick.

Finish Color: [ANSI Z55.1; Type [24 - Dark Gray] [61 -Light Gray] [___________________].] [_________________.]

PART 3 EXECUTION

EXAMINATION

Verify that surfaces are ready to receive work.

Verify field measurements are as [shown on Drawings.] [shown on shop drawings.] [instructed by manufacturer.]

Verify that required utilities are available, in proper location, and ready for use.

Beginning of installation means installer accepts conditions.

INSTALLATION

Install in accordance with manufacturer's instructions.

FIELD QUALITY CONTROL

Field [inspection and] testing will be performed under provisions of Section [01400.] [01410.]

Test to NEMA ICS 2.

END OF SECTION