SECTION 16441

ENCLOSED SWITCHES

PART 1 GENERAL

SECTION INCLUDES

Fusible switches.

Nonfusible switches.

Fuses.

REFERENCES

NEMA KS 1 - Enclosed Switches.

NFPA 70 - National Electrical Code.

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

UL 198E - Class R Fuses.

SUBMITTALS

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

Product Data: Provide switch ratings and enclosure dimensions.

Manufacturer's 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 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 [UL] [testing firm acceptable to authority having jurisdiction] as suitable for purpose specified and shown.

EXTRA MATERIALS

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

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

PART 2 PRODUCTS

MANUFACTURERS

[_________________________________ Model [_________].

[________________________________] Model [_________].

[________________________________] Model [_________].

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

ENCLOSED SWITCHES

Fusible Switch Assemblies: NEMA KS 1, Type [HD] [GD] load interrupter enclosed knife switch with externally operable handle interlocked to prevent opening front cover with switch in ON position. Handle lockable in OFF position. Fuse clips: Designed to accommodate Class [R] [J] fuses.

Nonfusible Switch Assemblies: NEMA KS 1, Type [HD] [GD] load interrupter enclosed knife switch with externally operable handle interlocked to prevent opening front cover with switch in ON position. Handle lockable in OFF position.

Enclosures: NEMA KS 1.

Interior Dry Locations: Type 1.

Exterior Locations: Type [3R.] [4.]

[__________] Locations: Type [___.]

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 3 EXECUTION

INSTALLATION

Install disconnect switches where indicated.

Install fuses in fusible disconnect switches.

Provide adhesive label on inside door of each switch indicating UL fuse class and size for replacement.

END OF SECTION