SECTION 16481

ENCLOSED MOTOR CONTROLLERS

PART	GENERAL

SECTION INCLUDES

Manual motor starters.

Magnetic motor starters.

Combination magnetic motor starters.

RELATED SECTIONS

Section 16190 - Supporting Devices.

Section 16195 - Electrical Identification: Engraved nameplates.

REFERENCES

NFPA 70 - National Electrical Code.

UL 198C - High-Interrupting Capacity Fuses; Current Limiting Type.

UL 198E - Class R Fuses.

NECA "Standard of Installation," published by National Electrical Contractors Association.

NEMA AB 1 - Molded Case Circuit Breakers.

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

NEMA ICS 6 - Enclosures for Industrial Controls and Systems.

NEMA KS 1 - Enclosed Switches.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Product Data: Provide catalog sheets showing voltage, controller size, ratings and size of switching and overcurrent protective devices, short circuit ratings, dimensions, and enclosure details.

Test Reports: Indicate field test and inspection procedures and test results.

Manufacturer's Installation Instructions: Indicate application conditions and limitations of use stipulated by Product testing agency specified under Regulatory Requirements. Include instructions for storage, handling, protection, examination, preparation, installation, and starting of Product.

QUALITY ASSURANCE

Perform Work in accordance with NECA Standard of Installation.

Maintain [one copy] [[____] copies] of [each] document on site.

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the Products specified in this section with minimum [three] [________] years [documented] experience.

REGULATORY REQUIREMENTS

Conform to requirements of NFPA 70.

Furnish products listed and classified by [Underwriters Laboratories, Inc.] [testing firm acceptable to authority having jurisdiction] as suitable for purpose specified and indicated.

EXTRA MATERIALS

Furnish under provisions of Section [01700.] [________.]

Provide [three] [____] of each size and type fuse installed.

PART	PRODUCTS

MANUFACTURERS

[_____________________________________] Model [_________].

[_____________________________________] Model [_________].

[_____________________________________] Model [_________].

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

MANUAL CONTROLLERS

Manual Motor Controller: NEMA ICS 2, AC general-purpose Class A manually operated, full-voltage controller with overload element, [red pilot light,] [[NO] [NC] auxiliary contact,] and [push button] [toggle] operator.

Fractional Horsepower Manual Controller: NEMA ICS 2, AC general-purpose Class A manually operated, 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, full-voltage controller for fractional horsepower induction motors, without thermal overload unit, with [[red] [green]] pilot light and] [key] [toggle] operator.

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

AUTOMATIC CONTROLLERS

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

Reversing Controllers: Include electrical interlock [and integral time delay transition] between FORWARD and REVERSE rotation.

Two Speed Controllers: Include integral time delay transition between FAST and SLOW speeds.

Coil operating voltage: [120] [480] [____] volts, [60 Hertz.] [[____] Hertz.] [DC.]

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

Enclosure:	NEMA ICS 6, Type [1.] [3R.] [4.] [12.] [____.]

PRODUCT OPTIONS AND FEATURES

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

Cover Mounted Pilot Devices: NEMA ICS 2, [standard] [heavy] duty [oiltight] type.

Pilot Device Contacts: NEMA ICS 2, Form Z, rated [A150.] [____.]

Pushbuttons: [Unguarded] [Recessed] [Shrouded] [Shielded] [Covered] [Lockable] type.

Indicating Lights: [Transformer] [Resistor], [incandescent] [LED] [neon] type.

Selector Switches: Rotary type.

Relays: NEMA ICS 2, [________].

Control Power Transformers: [120] [____] volt secondary, [[____] va minimum, in each motor starter.] [as scheduled.] Provide fused [primary and] secondary, and bond unfused leg of secondary to enclosure.

DISCONNECTS

Combination Controllers: Combine motor controllers with [thermal magnetic circuit breaker] [motor circuit protector] [non-fusible switch] [fusible switch] disconnect in common enclosure.

Thermal Magnetic Circuit Breakers: NEMA AB 1, with integral thermal and instantaneous magnetic trip in each pole.

****** [OR] ******

Motor Circuit Protector: NEMA AB 1, circuit breakers with integral instantaneous magnetic trip in each pole.

****** [OR] ******

Nonfusible Switch Assemblies: NEMA KS 1, enclosed knife switch with externally operable handle.

****** [OR] ******

Fusible Switch Assemblies: NEMA KS 1, enclosed knife switch with externally operable handle. Fuse clips: Designed to accommodate Class [R] [J] fuses.

FUSES

Manufacturers:

[________________________________] Model [_________].

[________________________________] Model [_________].

[________________________________] Model [_________].

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

Description: [Dual element,] current limiting, [time delay,] one-time fuse, [250] [600] volt, [UL 198E, Class [RK 1.] [RK 5.]] [UL 198C, Class [J.]]

Interrupting Rating: 200,000 rms amperes.

PART	EXECUTION

INSTALLATION

Install enclosed controllers where indicated, in accordance with manufacturer's instructions.

Install enclosed controllers plumb. Provide supports in accordance with Section 16190.

Height: 5 ft (1.6 M) to operating handle.

Install fuses in fusible switches.

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

Provide engraved plastic nameplates under the provisions of Section 16195.

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

FIELD QUALITY CONTROL

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

Inspect and test each enclosed controller to NEMA ICS 2.

SCHEDULES

END OF SECTION