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Schneider Electric LV431506 - Solid-State Trip Unit 250A LSIG Protection

Schneider Electric
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Schneider Electric LV431506 is a solid-state trip unit designed for advanced protection and coordination within low-voltage power distribution systems. It provides comprehensive LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection for circuits rated up to 690V and is configured for a fixed 250A current rating across its three poles. The unit features a compact LV4 form factor with overall dimensions of 600 mm (D) x 900 mm (W) x 2100 mm (H) and a weight of 1.238 lb, housing the MicroLogic 6.2 E trip system for precise fault detection. It complies with key industry standards including UL 508 and EN/IEC 60947-2, ensuring reliable operation in demanding industrial and commercial applications such as panelboards and switchgear. This trip unit is engineered for compatibility with a range of Schneider Electric circuit breaker frames including NS, NSF, NSX, NFNF, NFNL, NFHF, and NFHL.

Key Features & Specifications
  • Type: Solid-State Trip Unit, LV4 Compact Family
  • Voltage Rating: 690V
  • Current Rating: 250A (Fixed)
  • Dimensions: 600 mm (D) x 900 mm (W) x 2100 mm (H) / 23.62 in (D) x 35.43 in (W) x 82.68 in (H)
  • Weight: 1.238 lb
  • Standards: UL 508, EN/IEC 60947-2
  • Applications: Industrial & Commercial Power Distribution, Panelboards, Switchgear
  • Functions: LSIG Protection (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Poles: 3
  • Protection: Solid State
  • Trip Type: MicroLogic 6.2 E
  • Compatible Frames: NS, NSF, NSX, NFNF, NFNL, NFHF, NFHL
  • Item Subcategory: Trip Units & Programmers


Product Identification
  • GTIN: 03606480017124