Nema 3r vs 4
[DOC File]SPECIFICATIONS FOR DUPLEX SYSTEMS
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Each system shall include a UL listed enclosed industrial control panel in a NEMA 1 (NEMA 12, 3R) enclosure, factory mounted and wired on the steel skid. The panel shall be furnished with individual pump disconnects with through the door handles, pump run lights, H-O-A selector switches and 115 volt fused control transformer.
[DOC File]1 Technical Requirements
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The coil enclosure shall normally be a minimum of NEMA 4 but be suitable for the area of installation. Terminations will typically be by pigtail wires. The DCS shall monitor both “Open” and “Closed” position switches for motor-operated valves and pneumatic-operated control valves used for “On-Off” service.
[DOCX File]GENERAL REQUIREMENTS - Technical Safety BC
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Subject to subsections (3) and (4), a person must not use electrical equipment in British Columbia, or offer for sale, sell, display or otherwise dispose of electrical equipment for use in British Columbia, unless the electrical equipment displays a label or mark as follows: a certification mark. Canadian Electrical Code. Rule. 2 - 024
[DOCX File]20100510_Specs_Vol4_IFB.pdf
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NEMA Type 3R, 12 and Type 13. UL Listed Type 3R and 12. ... NEMA Type 4, 4X, 12 and Type 13. UL Listed Type 4, 4X and 12. CSA Type 4, 4X and 12. IEC 60529 IP 66. The EPU shall be located external to the bollard assembly. The EPU to bollard assembly cable length shall be up to 300 ft (91 m). NOTE: The wire size must be in accordance with current ...
[DOC File]DOMESTIC WATER VARIABLE SPEED DUPLEX, TRIPLEX DATA …
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nema 12 enclosure nema 3r enclosure nema 4 enclosure low suction level alarm and shutdown with auto reset and indication – (signal by others) high suction pressure shutdown with auto reset and indication audible alarm with silence push button 24 hour time clock - alternate equal pumps
[DOC File]Informative Annex 9
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NEMA 4 Water Tight & Dust Tight - Indoors/Outdoors Type 4 enclosures are intended for general purpose indoor or outdoor use primarily to provide a degree of protection against windblown dust and rain, splashing water, and hose directed water; and to be …
SECTION 262923 - VARIABLE FREQUENCY DRIVES
Enclosure: ANSI/NEMA ICS 6; Type [NEMA 1.] [NEMA 4] [NEMA 4X] [NEMA 12.] Upon a fault detection and VFD trip, the alarm contact shall open on the VFD, for external connection and remote indication, to signify a fault condition (contact rating of 0.5 amps resistive at 120 VAC).
Specification Number: 16270-1
The enclosure is to be of NEMA Type 3R rated rain-resistant construction. Indoor enclosures with weather shields are not acceptable. I. Rubber vibration isolation pads shall be installed by the manufacturer between the core and coil and the enclosure. J. The high and low voltage compartments shall be located side by side, separated by a steel ...
[DOC File]SECTION 16326000 - ABB
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Optional - Transformer shall be certified to meet California Building Code (CBC) Zone 4 seismic requirements with seismic table validation. Optional - Outdoor enclosures shall be certified and constructed to withstand a 110 mph wind load test and shall provide NEMA 3R protection against rain, sleet and external ice construction.
[DOC File]SECTION 233416 - CENTRIFUGAL HVAC FANS
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A NEMA 3R non-fused disconnect switch shall be provided, factory mounted and wired to the motor. ... 3/4 inch (20 mm) diamond-mesh wire screen welded to steel angle frame or equivalent, prime coated. Secure to fan or fan supports without short circuiting vibration isolation, with provision for adjusting belt tension, lubrication, and use of ...
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