Amendment 1 - 400hz Frequency Converter Parts - Questions and Answers.docx
DOCX document 16 KB Posted
- Attached to
- 400hz Frequency Converter Parts
- Solicitation number
- FA462526Q1042
About this file
This is a Questions and Answers amendment document addressing technical specifications for 400Hz frequency converter parts required under U.S. Air Force RFQ FA462526Q1042.
The document clarifies power requirements and component specifications for the 400Hz Pillar converter units needed to repair equipment in Buildings 4097, 4098, and 4099 at Whiteman AFB, Missouri. The primary power specifications require 120/208V at 5 percent tolerance, 400 Hz at 10 percent tolerance, three-phase alternating current with a starting current of 370 amperes for 1.1 seconds and nominal running current of 124 amperes. The EATON safety switch is rated at 200A, 600V, 60Hz, 250V. The PILLER converter specifications include two input options: 3-phase 480V at 80A, 60Hz, or 3-phase 400V at 95A, 50/60Hz, with output of 3-phase 200/115V at 173A, 400Hz. The solicitation deadline was extended to 1400 hours CDT on Wednesday, April 15, 2026. Contractors must submit questions to Contracting Officer James Bohnenstingel and Contract Specialist Reid Richardson via email with the RFQ number and title in the subject line. Delivery is required within three months of order receipt to Whiteman AFB, MO 65305.
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Other files
| File | Type | Posted |
|---|---|---|
| Attachment 4 - Combo.docx | DOCX document | |
| Attachment 1 - Price sheet.pdf | ||
| Attachment 2 - Salient Characteristics.pdf | ||
| Attachment 3 - Provisions and Clauses.pdf |
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Text version
Amendment 1 – 400Hz Frequency Converter Parts – Questions and Answers Questions:
1. What is the Primary (input) voltage and frequency?
1. What is the Secondary (output) voltage and frequency?
1. Is it single-phase or three-phase?
1. What is the Amperage / kVA requirement?
Answers:
TO 35D3-29-3-2-1 Munitions Lift Trailer MHU-204/M Table 1-1. Major Characteristics Power Requirements: 120/208V ±5 percent, 400 Hz ±10 percent, 3-phase Alternating Current (AC) Starting Current: 370 amperes, 1.1 seconds Nominal Running Current: 124 amperes EATON Safety Switch 200A, 600V~, 60Hz, 250V⎓ PILLER Converter Data Plate Input 1: 3Ph-480~V, 80A, 60Hz Input 2: 3Ph-400~V, 95A, 50/60Hz Output 1: 3Ph-200/115~V, 173A, 400Hz
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