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ABB KT3U4 - Under Voltage Release for Tmax Breakers (110-125V AC)

ABB
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ABB KT3U4 is an under-voltage release accessory designed for integration with compatible SACE Tmax circuit breakers to provide automatic trip functionality upon loss of control power. It operates within a control voltage range of 110-125V AC and is engineered for installation on T1B, T1N, T2S, T2H, T3N, and T3S frame sizes. The unit is constructed with durable industrial-grade components, has a weight of 5 lb, and is designed to meet relevant international standards for safety and performance in electrical protection systems. Its primary application is within industrial power distribution and motor control centers to enhance system safety by ensuring breaker operation during undervoltage conditions.

Key Features & Specifications
  • Type: Under-voltage release accessory for SACE Tmax circuit breakers
  • Control Voltage Range: 110 - 125V AC
  • Compatible Frames: T1B, T1N, T2S, T2H, T3N, T3S
  • Family: SACE Tmax
  • Product Type: T3
  • Weight: 5 lb
  • Item Subcategory: Under Voltage Release


Product Identification
  • GTIN: 00662019011790