![]() The ANSI-certified and UL-listed unit is rated for 120/240 VAC and 10,000 AIR. This breaker is compatible with Homeline load centers and CSED devices. Today the company produces several lines of circuit breakers for domestic, commercial, and industrial applications. Square D Homeline 100-Amp 2-Pole Circuit Breaker is used for overload and short-circuits protection of your electrical system. In 2003, the Square D by Schneider Electric brand celebrated its 100th anniversary. In 1991, the company was acquired and became a subsidiary of Schneider Electric. In 1935 Square D began producing its own range of circuit breakers for both commercial and residential uses. Square D hoped to capitalize on the growing concern of factory safety.īy 1929, Square D merged with a Milwaukee-based industrial controller company and began producing Westinghouse-licensed circuit breakers. In the early 1920s Square D sold the majority of their fuse business in order to focus more on their safety switches and other safety products advertisements with the tagline "Jones is Dead!" directed public attention to the lethal hazard of exposed electrical switches in factories. Horton served as Square D's president until 1928 Consequently, the company trademarked the logo and in 1917 they renamed the company Square D. To ensure safety, it is both UL listed and ANSI certified. It accepts aluminum or copper 12 - 2/0 AWG feeder wire. Used for overload and short-circuit protection of your electrical system, this breaker is compatible with QO and Homeline load centers, CSED devices, and NQO panel boards rated for 100- to 125-Amps. The combination of an easily remembered monogram logo and their great popularity resulted in customers referring to their products as "Square D". Square D QO 1 frame-size 100-Amp Double-Pole Main Breaker. The logo was stamped on all Square D's switches and products. Soon after their renaming to Detroit Fuse and Manufacturing, the company adopted their famous logo - a capital " letter D" for Detroit, enclosed in a square. Square D FHP3610018M 100 Amp, 3 Pole, 600 Volt, Circuit Breaker, New Style Item Tested: Tested Terms of Sale. Their first enclosed safety switch was introduced in 1909. Horton, an 1895 electrical engineering graduate of the University of Michigan, was credited with the invention of the safety switch, which encased high voltage switches and started the company's main line of business of circuit breakers and encased control panels. In 1908, the company was renamed Detroit Fuse and Manufacturing. During the first decade of business, the company expanded into various other electrical products. In 1903 they incorporated as the McBride Manufacturing Company. The company was founded on Decemby Bryson Dexter Horton and James B. History The classic "Square D" logo can be found on their products. The company was listed on the New York Stock Exchange for 55 years prior to its acquisition without reporting financial loss in any calendar quarter, paying out 220 consecutive quarterly dividends to shareholders. Square D is a flagship brand of Schneider Electric, which acquired the company in 1991. NQ Panelboard interiors can be used for applications such as commercial buildings, industrial buildings, stadiums, and offices.ĥ0.01 lbf.in (5.65 N.m) (AWG 14.AWG 1/0)ġ80.02 lbf.in (20.34 N.m) (AWG 10.AWG 2/0)ġ80.02 lbf.in (20.34 N.m) (AWG 6.AWG 2/0)Ģ54.37 lbf.in (28.74 N.m) (AWG 6.300 kcmil)ĥ0.01 lbf.in (5.65 N.m) (AWG 4.AWG 1/0)ħ7.36 lbf.in (8.74 N.m) (AWG 4.Square D is an American manufacturer of electrical equipment headquartered in Andover, Massachusetts. This interior is UL listed and CSA certified. Some factory installed options are split bus, lighting contactors, compression lugs, surge protection devices, and phenolic nameplates. NQ Panelboard interiors are field convertible to top or bottom feed. This interior provides protection for your commercial and industrial applications. Interior is for QOB, QOBVH and QHB branch circuit breakers. This interior is for a 3 wire system with 20 circuits and has a copper bus bar. Interior has an interrupt current rating of up to 65 kA. This NQ Panelboard interior has a main circuit breaker and is rated at 100 A single phase. Interior has a maximum voltage rating of 120/240 VAC. 40-amp 240-volt circuit: 40 amps x 240 volts 9,600 watts. NQ Panelboards are convertible from main lug to main breaker. NQ Panelboards provide 200% rated neutrals for non-linear loads. NQ Panelboards are versatile panelboards that feature a wide selection of circuit breakers, accessories, and ready to install kits. The Square D by Schneider Electric QO 100 Amp Outdoor Circuit Breaker Enclosure includes a two-pole QO2100 circuit breaker for use as an exterior disconnect.
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