4W12BF1.5E

Crompton's 4W12BF1.5E is a reliable 4-inch borewell submersible pump, delivering reliable water-handling performance for medium-to-deep borewells (up to 300+ feet). Designed for medium-to-deep borewells, farmhouse water supply, multi-storey building water systems, agricultural irrigation, and high-volume residential needs. Classified as submersible water-filled borewell duty, it higher-flow applications with 4-inch (100 mm) borewell casings.

Technical specifications:

• Rated power: 1.5 HP / 1.12 kW
• Power supply: single-phase 230V, 50 Hz
• Delivery pipe size: 100 mm
• Number of stages: 5 (multi-stage impeller for sustained head)
• ISI / BIS certified: Conforms to Indian Standards (IS 8034 / IS 9079 / IS 14220 as applicable)
• MNRE approved: Listed under Ministry of New & Renewable Energy for solar pump compatibility
• Motor protection: IP55-equivalent for submersible variants; thermal overload protection on terminal box
• Construction: Stainless steel sleeves, brass impellers (or thermoplastic for corrosive water), and cast-iron motor body where applicable

The 4W12BF1.5E is engineered for designed to fit 4-inch borewell casings with optimised hydraulic profile for sustained deep-water operation. The multi-stage impeller design (5 stages) builds head progressively, allowing the pump to overcome long vertical lifts without requiring excessive motor power. ISI/BIS certification means the pump has passed independent testing for hydraulic performance, electrical safety, and minimum efficiency thresholds mandated by Indian Standards. MNRE approval qualifies the pump for use in subsidised solar pump installations under government schemes including PM-KUSUM, making it accessible for farmers receiving 60–90% capital subsidies. For 4-inch borewell submersible pumps of this rating, installation typically requires properly sized cabling, an appropriate control panel with dry-run protection, and correct earthing as per IS 3043.

Bombay Engineering Syndicate is Crompton's authorised distributor since 1957, supplying the 4W12BF1.5E across Maharashtra, Gujarat, and pan-India through our Mumbai and Ahmedabad warehouses. We stock current factory-fresh inventory, provide installation guidance, and coordinate post-sale service through the authorised Crompton network. Our 67 years of industry experience means we help customers select the right pump for their specific application — not just the cheapest or most readily available. Submit a pump inquiry for personalised sizing and a same-day quotation, or contact our team to discuss your installation requirements.