# SAM #47QSSC27Q0027 

Olsun Electrics 300 kVA dry-type transformer with testing and delivery

**Buyer:** GSA Supply Chain Contracting
**Posted:** October 26, 2026
**Respond By:** December 07, 2026
**Identifier:** 47QSSC27Q0027
**NAICS:** 334416, 335311

The General Services Administration is procuring a brand-specific transformer for U.S. Navy utility operations at Naval Base San Diego.
- **Government buyer**
  - General Services Administration (GSA), Federal Acquisition Service (FAS), Direct Demand Contract Solutions Division.
  - End user: U.S. Navy, supported by NAVFAC SW MPD HVE Utilities; the requirement supports Navy and Marine Corps installations.
  - Delivery location: Naval Base San Diego, California.
- **OEM**
  - **Olsun Electrics** is the specified manufacturer. The RFQ requires the Olsun product and states that substitutions are not acceptable.
- **Requested product**
  - One 300 kVA cast-coil, copper-wound, pad-mounted, dry-type transformer for customer unit Pad B4-PS4-T64. No part number is provided.
  - Electrical configuration: 12 kV delta primary to 208Y/120 V wye secondary; three-phase, 60 Hz, Delta-Wye step-down (Dyn1).
  - Outdoor enclosure: NEMA 3R, 316 stainless steel, Munsell Green finish; tamper-resistant, compartmentalized, dead-front design with padlockable door, radial feed, and three 200 A bushing wells.
  - Other stated specifications include K-factor 1, minimum 5.75% impedance, 80°C temperature rise, 180°C insulation, and AA air cooling.
- **Services and notable requirements**
  - One certified post-production test with IEEE/ANSI standard production tests, plus shipping to Naval Base San Diego.
  - The Navy identifies the dry-type transformer as necessary for the site; oil-filled alternatives are unsuitable because containment pads are not available.

### Description

<p>This Request for Quote (RFQ) is for the purchase, delivery, and testing of one Olsun Electrics 300k pad mount transformer.</p>

<p>For requirements and delivery information please see attached RFQ&nbsp;document.</p>

<p><strong>For quote to be considered valid, return <u>BOTH</u>&nbsp;the completed RFQ&nbsp;document and the MIL-STD 129 compliance document signed on page 8&nbsp;via email to cara.fowler@gsa.gov</strong></p>

[View original listing](https://sam.gov/opp/c9d7fbb3301a4afe9938bf24ab300154/view)