Square D™ QO270 Standard Miniature Circuit Breaker, 120/240 V AC, 70 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 2 pole QO circuit breaker is rated at 70A at 120/240VAC. This unit provides 10kA breaking capacity and plug in mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.
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BrandSquare D™
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UPC785901400585
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Manufacturer Part NumberQO270
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CountryUSA|Canada
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Temperature Rating40 deg C
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FrameQO
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Frequency Rating50/60 Hz
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Trip TypeThermal Magnetic
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TypeStandard
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Connection TypeBox Lug
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Mounting TypePlug-In
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Voltage Rating120/240 V AC
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Amperage Rating70 A
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Wire Size8 to 2 AWG
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Number of Poles2
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Dimensions2.91 in L x 1.5 in W x 3.12 in H
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Interrupt Rating10 kA
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Phase1
- Reliable and durable
- Plug-on neutral design and shorter footprint for faster installs
- Simple design and clear instructions for quick setup
- Time-saving diagnostics with touch of a button
- 8 to 2 AWG aluminum/copper wire
- Standard
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Alternative Part Number8027948
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UNSPSC39121603
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IDEA Index ID8027948
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Package DescriptionEACH
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Standards/ApprovalsCSA Certified|HACR Rated|PROP65: Cancer and Reproductive Harm - www.p65warnings.ca.gov|RoHS Compliant|UL Listed
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Warranty18 months
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RoHS
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Specification Sheet
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Instruction/Installation Manual
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Owners/User Manual
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Technical Bulletin
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Square D™ QO270 Standard Miniature Circuit Breaker, 120/240 V AC, 70 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 2 pole QO circuit breaker is rated at 70A at 120/240VAC. This unit provides 10kA breaking capacity and plug in mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.
Aerospace and specialty spherical roller bearings utilize barrel shaped rolling elements and have some misalignment capability. These bearings can be manufactured in wide range of styles, materials, sizes and precision classes. All bearings are custom designed based on application needs.
Inner Rings can be integrated with shell-type or various machined needle roller bearings to provide good roller support without worrying about premature shaft wear. We heat-treat and grind our Inner Rings to tight tolerances to create hard, tough raceways for applications where it is impossible to make shaft surfaces to a specific hardness or roughness attribute. They're an economical alternative to bushings because they don't require any additional machining. Wide Inner Rings are also available to accommodate shafts that move axially or seals that are adjacent to bearings. Inner Rings come in a broad range of shaft diameters and assembly elements include small chamfers or gentle taper relief options. Inner Rings for machined-type needle roller bearings come in a variety of dimensions. Metric-type LRT series Inner Rings have shaft diameters from 5 to 440 mm.
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