Square D™ H321NRB Heavy Duty Fusible Iceproof Rainproof Safety Switch, 240/250 VAC/VDC, 30 A, 1-1/2 to 5 hp, 3PST Contact, 3 Poles
The Square D™ by Schneider Electric brand heavy duty safety switch is designed to be tough, reliable and provide exceptional performance in the most gruelling conditions from commercial and institutional to industrial and manufacturing facilities. F Series safety switches provide significantly higher levels of mechanical endurance than NEMA KS-1 or UL98 standards require. The design life of a F Series switch is a minimum of three times the NEMA requirement. An abundance of copper is used in the heaviest current carrying power paths of all Square D™ by Schneider Electric heavy duty safety switches. The more copper for current carrying paths, the lower the temperature rise. Managing temperatures inside the switch is the key to providing greater service life. All heavy duty safety switches feature a quick-make, quick-break operating mechanism, a dual cover interlock and a color coded indicator handle.
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BrandSquare D™
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UPC785901480068
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Manufacturer Part NumberH321NRB
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CountryUSA
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FinishHot Dipped Galvanized
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Terminal TypeLug
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MaterialSteel
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TypeHeavy Duty Fusible Iceproof Rainproof
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Contact Form3PST
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Mounting TypeSurface
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Actuator TypeHandle
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Voltage Rating240 V AC/250 V DC
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Amperage Rating30 A
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Horsepower1-1/2 to 5 hp
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Short Circuit Current Rating10/200 kA
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Number of Poles3
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Dimensions7.55 in W x 4.88 in D x 14.88 in H
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Number of Wires4
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Enclosure TypeNEMA 3R
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Phase3
- Visible blades for positive indication that switch is OFF
- Side opening, left hinged covers
- Front removable mechanical lugs
- Dual cover interlock prevents the cover from being opened when the switch is ON and prevents the switch from being turned ON when the cover is open
- An interlock bypass is provided for access by authorized personnel
- Fusible and Non-Fusible options
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Alternative Part Number8061887
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UNSPSC39122205
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IDEA Index ID8061887
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Standards/ApprovalsRoHS Compliant|Federal Specifications WS865C|UL 98 File No. E2875|PROP65: This product can expose you to chemicals including: Lead and Lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov
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Warranty18 months
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RoHS
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Instruction/Installation Manual
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Owners/User Manual
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Square D™ H321NRB Heavy Duty Fusible Iceproof Rainproof Safety Switch, 240/250 VAC/VDC, 30 A, 1-1/2 to 5 hp, 3PST Contact, 3 Poles
The Square D™ by Schneider Electric brand heavy duty safety switch is designed to be tough, reliable and provide exceptional performance in the most gruelling conditions from commercial and institutional to industrial and manufacturing facilities. F Series safety switches provide significantly higher levels of mechanical endurance than NEMA KS-1 or UL98 standards require. The design life of a F Series switch is a minimum of three times the NEMA requirement. An abundance of copper is used in the heaviest current carrying power paths of all Square D™ by Schneider Electric heavy duty safety switches. The more copper for current carrying paths, the lower the temperature rise. Managing temperatures inside the switch is the key to providing greater service life. All heavy duty safety switches feature a quick-make, quick-break operating mechanism, a dual cover interlock and a color coded indicator handle.
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