U.S. MOTORS® Horizontal A.C. Fire Pump Motors – Open Dripproof Enclosure

This datasheet provides detailed specifications, performance standards, and optional features for U.S. MOTORS® Open Dripproof (ODP) Fire Pump motors. Designed in compliance with NFPA® 20 and UL Listed standards, these motors deliver reliable performance in fire protection systems with minimal contamination exposure.

Key Points

  • UL Listed fire pump motors ranging from 1 to 500 HP and frame sizes 143T–5012.
  • Open Dripproof (ODP) design, featuring Class F insulation and Class B temperature rise.
  • Designed to meet NEMA® Design B specifications per MG1-2014 and CSA-390 (Canada).
  • Offered with multiple options: inverter duty (10:1 VT), special voltages, space heaters, thermal protection, and more.
  • Compliant with NFPA® 20 and Energy Independence and Security Act (EISA) regulations.
  • Available in both Energy Efficient (IE2) and NEMA Premium® Efficient (IE3) versions.
  • Extended safe stall times: =12 seconds (cold), =8 seconds (hot).
  • Includes warranty details for various motor configurations and power conditions.