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Square D MA1000S - Enclosure 1000A (NEMA 1 Steel)

Square D
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Square D MA1000S is a NEMA 1 steel surface-mount enclosure designed to house and protect thermal-magnetic molded case circuit breakers in industrial and commercial power distribution systems. It supports 3-pole breakers with a maximum current rating of 1000A and a voltage rating of 600V AC or 250V DC. The enclosure weighs 100 lb and features a steel construction with approximate dimensions of 20.25 x 7.75 x 51.88 inches. It is UL Listed and CSA Certified, ensuring compliance with industry safety standards. This enclosure is intended for indoor use with compatible MAL, MHL, and MXL frame circuit breakers, which must be purchased separately.

Key Features & Specifications
  • Type: Enclosure
  • Family: MA Series
  • Amperage: 1000A maximum
  • Voltage Rating: 600V AC, 250V DC
  • Poles: 3
  • Mounting Type: Surface mount
  • Enclosure Type: NEMA 1 steel
  • Compatible Frames: MAL, MHL, MXL
  • Weight: 100 lb
  • Dimensions: Approximately 20.25 x 7.75 x 51.88 inches
  • Certifications: UL Listed, CSA Certified