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Siemens 4MLKA3A - P1A Main Kit for 400A Q-Frame Panelboards

Siemens
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Siemens 4MLKA3A is a P1A type circuit breaker accessory designed for providing main lug and main breaker configurations in Siemens Q-frame panelboards. It features a 400A current rating for three-phase electrical systems and accommodates a wide range of wire sizes from AWG 2 to 600 kcmil and AWG 1/0 to 250 kcmil. The unit is constructed with durable materials, weighing 2.249 lb and measuring 8.268" x 13.78" x 4.331" (L x W x H), and is manufactured in the United States to meet relevant industry standards for safety and performance. This accessory is engineered for integration into commercial and industrial power distribution systems requiring reliable main circuit protection.

Key Features & Specifications
  • Type: P1A Main Lug / Main Breaker Kit
  • Current Rating: 400A
  • Phase: 3
  • Compatible Frames: Siemens Q-frame
  • Wire Size: AWG 1/0 to 250 kcmil, AWG 2 to 600 kcmil
  • Dimensions: 8.268" x 13.78" x 4.331" (L x W x H)
  • Weight: 2.249 lb
  • Country of Origin: United States
  • Item Subcategory: Parts And Accessories


Product Identification
  • UPC: 887621580841
  • GTIN: 00887621580841