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DT467URK Datasheet(PDF) 4 Page - Dallas Semiconductor |
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DT467URK Datasheet(HTML) 4 Page - Dallas Semiconductor |
4 / 7 page Double-throw heavy-duty switching neutral safety switches Double-throw heavy-duty non-fusible safety switches Double-Throw Switching Neutral Safety Switch (upper switch base assembly is shown) Double-Throw 600 Vac Heavy-Duty, Non-Fusible Ampere Rating Main and Standby Maximum Horsepower Ratings NEMA 1 Enclosure Indoor NEMA 3R Enclosure Rainproof NEMA 12 Enclosure Industrial, Dust-Tight NEMA 4X Enclosure, Corrosion-Resistant, Stainless Steel Single-Phase Three-Phase 480 Vac 600 Vac 480 Vac 600 Vac 480 Vdc Catalog Number Catalog Number Catalog Number Catalog Number Two-Pole—600 Vac—250 Vdc 30 60 100 200 400 600 7-1/2 20 40 50 — — 10 25 50 50 — — — — — — — — — — — — — — 5 10 20 40 50 50 DT261UGK DT262UGK DT263UGK DT264UGK1 DT265UGK DT266UGK — — — DT264URK1 DT265URK DT266URK — — — — — — — — — — — — Three-Pole—600 Vac—250 Vdc 30 60 100 200 400 600 800 800 7-1/2 20 40 50 — — — — 10 25 50 50 — — — — 20 50 75 125 250 250 250 250 30 60 100 150 350 350 350 350 5 10 20 40 50 50 50 50 DT361UGK DT362UGK DT363UGK DT364UGK DT365UGK DT366UGK DT367UGK23 DT367UGK-N DT361URK DT362URK DT363URK DT364URK DT365URK DT366URK DT367URK23 DT367URK-N DT361UDK4 DT362UDK4 DT363UDK4 DT364UDK4 DT365UDK 45 —4 —4 —4 DT361UWK DT362UWK DT363UWK DT364UWK DT365UWK — — — Four-Pole—600 Vac—250 Vdc 2 30 60 100 200 400 600 800 7-1/2 20 40 — — — — 10 25 50 50 — — — 20 50 75 125 250 250 250 30 60 100 150 350 350 350 5 10 20 40 50 50 50 — — — DT464UGK DT465UGK DT466UGK DT467UGK DT461URK DT462URK DT463URK DT464URK DT465URK DT466URK DT467URK — — — — — — — — — — — — — — Six-Pole—600 Vac—250 Vdc2 30 60 100 7-1/2 20 40 10 25 50 15 50 75 30 60 100 5 10 20 — — — DT661URK DT662URK DT663URK — — — — — — A Rated 600 Vdc, 50 hp in addition to ratings shown in table. B Warning: Switch is not approved for service entrance. C Field-installable neutral kit is not available. If a neutral is required, order the catalog number shown in the table with “ N” suffix. D NEMA12enclosures(30–800A)canbefieldmodifiedtomeetNEMA3Rrainproofrequirementswhenafactory-provideddrainholeisopened. E Also available in 240 Vac, catalog number DT325UDK. ON OFF ON Non-Fusible Two-Pole Two Sources or Two Loads ON OFF ON Non-Fusible Four-Pole Two Sources or Two Loads Bonding kit schematic Single-phaseapplicationsrequiringaneutralpolebondingkit Bonding kit schematic Three-phaseapplicationsrequiringaneutralpolebondingkit otess: N NEC 702 application, separately derived system and service equipment. Two sources with switched neutral, generator is a separately derived system. Proper installation is governed by interpretation of the NEC, applicable local codes and local utility requirements. Applicable sections of these codes and requirements should be referenced prior to installation. ON OFF ON Non-Fusible Three-Pole Two Sources or Two Loads ON OFF ON S/N Non-Fusible Three-Pole with Neutral Two Sources or Two Loads ON OFF ON Non-Fusible Six-Pole Two Sources or Two Loads Double-throw safety switches applied in emergency power or generator applications may require a switched neutral in lieu of a solid neutral. If the neutral of the generator is bonded to a grounding system at the generator, then a separately derived system (reference NEC 250-20[D] and Exhibit 250.7) has been created and a switched neutral in the double-throw safety switch is required. The switching neutral is required to avoid the potential for backfeeding of the power that might occur if the safety switch neutral is also bonded. If the generator neutral is brought to the service where it is bonded and grounded, then a non-separately derived system has been created and a solid neutral must be used in the double-throw safety switch. Most double-throw safety switches in today’s market are provided with solid neutrals and are not UL listed for switching neutral application. The market, some utilities and local codes are requiring the ability to break or switch the neutral on three- and four-pole double-throw switches with a UL listing for that capability. Three-pole switches are used for single-phase switching neutral applications, while four-pole switches are used for three-phase switching neutral applications. In many cases, three- and four-pole double-throw safety switches are being installed in the field with the left-most pole being used as the switching neutral, but the switch is not UL listed for that application. Eaton non-fusible three-pole and four-pole double-throw safety switches 30–800A are UL listed for switching neutral application with the proper installation of the applicable switching neutral bonding kit shown in the Accessories section of this bro- chure. Each bonding kit comes with applicable materials, hard- ware, instruction sheet and adhesive-backed wiring schematic. The bonding kits can only be used on non-fusible double-throw safety switches. When a bond- ing kit is applied to a three-pole switch, the switch becomes a single-phase switch with single- phase horsepower ratings. A double-throw safety switch with the appropriate bonding kit installed is suitable for service entrance use. Typically, a four-pole double-throw safety switch is not suitable for service entrance use; however, with the appropriate bonding kit installed, the four- pole switch is suitable for service entrance use as noted on the device publication of the product. Switching neutral bonding kits can also be factory installed by Eaton’s unique Switching Device Flex Center. See the end of this brochure for additional information on the Flex Center. 6 EATON CORPORATION Double-throw safety switch 7 EATON CORPORATION Double-throw safety switch |
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