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Square D 9421LR4 - Rotary Handle 400A (6in Shaft)

Square D
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Square D 9421LR4 is a rotary handle circuit breaker mechanism designed to provide external switching control for 400A frame circuit breakers. This mechanism operates with a 6-inch long shaft and supports 2 or 3 pole configurations for LAL, LHL, and Q4L series breakers, with a flange mounting system that accommodates variable depths from 6.31 to 21.50 inches. The unit is constructed as a NEMA-rated assembly for 1/3R/12 environments, weighing 8.1 lb with dimensions of x 6 in x, and is manufactured by Schneider Electric in Mexico. It complies with NEMA certification standards for industrial disconnect and circuit breaker installations. This mechanism is suited for industrial applications requiring reliable external switching for 400A circuit breakers in disconnect and enclosure setups.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Parts & Accessories
  • Family: Class 9421
  • Type: 9421
  • Section: Operating Handles
  • Country of Origin: Mexico
  • Weight: 8.1 lb
  • Dimensions: x 6 in x
  • Certification: NEMA
  • Amperage: 400A
  • Poles: 2 or 3 pole compatible
  • Mounting Type: Flange mounting, variable depth 6.31 to 21.50 inches
  • Handle Type: Rotary handle, 6 inch long shaft
  • NEMA Rating: 1/3R/12
  • Compatible Series: LAL, LHL, Q4L
  • Includes all mounting hardware


Product Identification
  • UPC: 785901111122
  • GTIN: 00785901111122