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Square D 33072BA - Trip Unit LSI 600V

Square D
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Square D 33072BA is a Micrologic 5.0 digital trip unit engineered for selective protection in air circuit breaker control within industrial power distribution systems. It operates at a voltage rating of 600V and provides solid-state LSI protection functions, including long-time, short-time, and instantaneous short-circuit protection. This field-installable unit weighs 1 lb and is compatible with a wide range of frames, including NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, and RL. It complies with industry standards for high-current applications, featuring an interrupting capacity of 100kA and an integrated ammeter measurement. Typical applications include selective protection in industrial power distribution systems requiring precise coordination.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Trip Units & Programmers
  • Family: Micrologic
  • Type: 330
  • Weight: 1 lb
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Voltage Rating: 600V
  • Protection: Solid State
  • Compatible Frames: NS, NT, NW, PG, PJ, PK, PL, RG, RJ, RK, RL
  • Rated Current: 1200A
  • Number of Poles: 3
  • Trip Unit Type: Micrologic 5.0
  • Interrupting Capacity: 100kA
  • Selective Protection: Yes
  • Ammeter Measurement: Included