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Square D FA4WB - Interlock for Circuit Breaker Safety

Square D
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Square D FA4WB is a circuit breaker interlock designed to prevent simultaneous operation of two breakers, enhancing electrical safety in control applications. This interlock is compatible with Square D Series circuit breakers and features a reliable mechanical design for standard protection. It weighs 0.84 lb and is manufactured in the United States by Schneider Electric as part of the Square D Series family. The interlock mounts directly into Square D breaker panels and is classified under the Parts & Accessories subcategory. It is commonly used in industrial and commercial electrical systems to ensure safe breaker sequencing.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Part Number: FA4WB
  • Category: Circuit Breaker Accessories
  • Type: Interlock
  • Compatible with Square D Series breakers
  • Function: Prevents simultaneous breaker operation
  • Mounting: Designed for Square D breaker panels
  • Enhances electrical safety
  • Standard protection type
  • Reliable mechanical design
  • Item Subcategory: Parts & Accessories
  • UPC: 785901074090
  • GTIN: 785901074090
  • Family: Square D Series
  • Country of Origin: United States
  • Weight: 0.84 lb
  • Section: Interlocks


Product Identification
  • UPC: 785901074090
  • GTIN: 785901074090