Opportunity

Iowa State University Ionwave #RFQ-1001519

Iowa State University procurement of one 1,000 kVA pad-mounted transformer

Posted

September 30, 2026

Respond By

October 14, 2026

Identifier

RFQ-1001519

NAICS

335311

Iowa State University is seeking a single custom 1,000 kVA pad-mounted transformer for its Utilities Dining Facility. - Government buyer: Iowa State University of Science and Technology (ISU), Utilities Services Department; the bid invitation names Matthew Linder. - Transformer OEMs named as acceptable: Hitachi, WEG, Eaton, ERMCO, Howard Industries, Square D, and GE Prolec. The specified insulating fluid is Cargill Envirotemp FR3. - Requested equipment: One 1,000 kVA, three-phase, 60 Hz, oil-filled pad-mounted transformer, rated 13,800 V delta to 480/277 V grounded wye. No part number is provided. - Key construction and performance requirements: Copper windings; sealed, self-cooled tank; biodegradable FR3 fluid; ANSI green finish; more than 99% efficiency at any OA loading; 55/65°C temperature rise; 5.75% minimum impedance; four 2.5% no-load taps; and specified high-/low-voltage insulation ratings and terminations. Aluminum windings are not allowed. - Included features and compliance: Three 10 kV distribution-class surge arrestors, required bushings, tamper-resistant compartments, gauges, valves, ground pads, and standard fittings. The unit must meet applicable ANSI and NEMA standards and use PCB-free oil. - Quote and delivery requirements: Include freight in the unit price and provide the completed transformer data sheet, including guaranteed efficiency and loss values, and an equipment delivery schedule with manufacturer lead times. Certified factory test results and approval drawings are required as specified; early delivery requires ISU approval.

Description

Iowa State University of Science and Technology is seeking quotes for one 1000 kVA oil-filled, pad-mounted transformer for its Utilities Services Department. The specified unit is rated 13,800V delta to 480/277V grounded wye and must meet the requirements in the technical specifications, including copper windings and specified efficiency and loss guarantees. The quote must include the required Transformer Data Sheet and an equipment delivery schedule; freight is to be included in the unit price. Delivery is required by June 1, 2027.

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