400hz Frequency Converter Parts

Questions & Answers / Clarifications

This document provides answers to vendor questions regarding the 400Hz Frequency Converter Parts opportunity.

• Primary (input) voltage and frequency: 120/208V ±5 percent, 400 Hz ±10 percent, 3-phase AC.
• Secondary (output) voltage and frequency: Not explicitly stated for the converter itself, but the MHU-204/M trailer requires 120/208V, 400 Hz.
• Phase: 3-phase.
• Amperage / kVA requirement: Starting Current: 370 amperes (1.1 seconds). Nominal Running Current: 124 amperes for the MHU-204/M trailer.
• Converter Data Plate Information:
  • Input 1: 3Ph-480~V, 80A, 60Hz
  • Input 2: 3Ph-400~V, 95A, 50/60Hz
  • Output 1: 3Ph-200/115~V, 173A, 400Hz
• EATON Safety Switch: 200A, 600V~, 60Hz, 250V⎓

This Q&A document clarifies technical specifications related to power requirements and converter details. Bidders should review these answers to ensure their proposed solutions meet the specified parameters.

Solicitation / RFP / RFQ

This is a combined synopsis and solicitation for commercial products or services, specifically "400Hz Frequency Converter Parts," prepared in accordance with RFO Part 12. It constitutes the only solicitation, and vendors are requested to submit quotes.

The primary requirement is for Frequency Converter Parts, as detailed in the attached Salient Characteristics (Attachment 2).

• The Government reserves the right to cancel this RFQ.

• The Government has no obligation to reimburse vendors for costs incurred if the RFQ is canceled.

• RFQ Due Date: 10 April 2026, 10:00 A.M. CST.

• Submission Method: Email to reid.richardson@us.af.mil and cc james.bohnenstingel@us.af.mil.

• Quote Validity: Prices must be held firm for 60 calendar days from the receipt date.

• Evaluation Factors: Quotes will be evaluated based on Part I - Price (Complete Price Sheet, Attachment 1) and Part II – Technical Capabilities (based on Salient Characteristics, Attachment 2). Both factors are weighted equally and must receive an "ACCEPTABLE" rating for consideration.

• Technical Capabilities: All sub-factors will be rated ACCEPTABLE/UNACCEPTABLE.

• Questions Deadline: Email questions to reid.richardson@us.af.mil and cc james.bohnenstingel@us.af.mil by 03 April 2026, 10:00 A.M. CST.

• Quote Length Limit: Provided quotes and/or capability statements must not exceed three pages. Any quotes over three pages will be considered "Unacceptable."

• File Size Limit: If email attachments exceed 10 MB, contact the government for alternate instructions before the proposal deadline. .zip files are not acceptable.

• Discussions: The government intends to award without discussions but reserves the right to conduct them if deemed necessary.

• This is a total small business set aside.

• NAICS Code: 811210 (Electronic and Precision Equipment Repair and Maintenance), with a size standard of $34.0M.

• SAM.gov Registration: All companies must be registered in the System for Award Management (SAM) to be considered for award.

• CMMC Status: Contractors must achieve CMMC status of level 1 at the time of award.

• Attachments: Attachment 1 – Price Sheet, Attachment 2 – Salient Characteristics, Attachment 3 – Provision and Clauses, Attachment 4 – Combo.

• FAR Provisions: FAR Provision RFO 52.212-1 and FAR RFO 52.212-2 apply, with specific addenda and modifications noted in the solicitation. Vendor terms and conditions conflicting with RFO or Federal law are unenforceable.

• Teaming Arrangements: If contemplating teaming, provide complete information on the arrangement and subcontractor responsibilities. Consent for release of subcontractor past performance information is required.

Form / Attachment / Pricing Sheet

This document is a price sheet listing various components and their associated part numbers, quantities, and prices. It appears to be an attachment to a larger solicitation or opportunity.

• Components Listed: Output Coil Assembly, Pre-Charge Board, Output Filter Capacitor Assembly, Voltage Monitoring Relay (42 V), DC Buss Capacitor, Inverter Rebuild, Driver Board, Measurement Control Board, Display Frequency Meter, and Display Current Meter.
• Details Provided: For each component, the Make, Part#, Quantity, Price, and Total are listed. However, the 'Price' and 'Total' columns are largely blank, suggesting this may be a template or a preliminary pricing document.

Bidders should review this price sheet to understand the potential cost breakdown of components if they are required to provide pricing for these specific items as part of their proposal. It may also indicate the types of equipment or parts relevant to the overall opportunity.

Form / Attachment / Pricing Sheet

This document details the "Salient Characteristics" for Piller 400Hz Frequency Converters, specifically for BLDG 4097, 4098, and 4099. It lists the required parts and estimated repair/delivery times for these units.

• Serial Numbers: 950 6009 565 (BLDG 4097), 950 6009 567 (BLDG 4098), 950 6009 566 (BLDG 4099).
• Model: AJS C8-1-R-60-400/200-5/40-G-B for all listed units.
• Parts List: Includes specific part numbers and descriptions for each converter, such as Output Coil Assembly, Pre-Charge Board, DC Buss Capacitors, Inverter Rebuild, and front panel display meters.
• Delivery/Repair Time: Estimated at 3-4 months after receipt of order, with materials delivery estimated at 2-3 months and installation/testing at approximately 1 month.

This document is crucial for bidders to understand the specific components and repair timelines associated with the Piller 400Hz Frequency Converters. It provides a detailed breakdown of parts needed for repair and the expected duration, which is essential for planning and proposal development if this opportunity involves maintenance or repair services for these specific units.

Forms / Attachments / Pricing Sheets

This document, "Attachment 3 - Provisions and Clauses," lists clauses and provisions incorporated by reference into a solicitation. It serves as a reference for bidders to understand the contractual terms and conditions that will apply to any resulting contract.

• Clause Number: The unique identifier for each clause or provision.
• Clause Title: A brief description of the subject matter of the clause.
• Alt No/Dev No: Identifies any alternate or deviation numbers associated with the clause.
• Year-Mo: The year and month the clause was last updated.
• Section: Indicates the section of the contract where the clause is located (e.g., SEC I, SEC K, SEC L, SEC G).

Bidders must review these incorporated clauses and provisions to understand their obligations, responsibilities, and the terms of the potential contract. Key areas covered include:

• Requirements relating to compensation of officials
• Whistleblower rights
• Prohibition on acquisition of covered defense telecommunications equipment or services
• Buy American and Balance of Payments Program
• Reporting executive compensation and first-tier subcontract awards
• System for Award Management (SAM) registration and maintenance
• Prohibition on contracting with inverted domestic corporations
• Instructions for commercial products and services
• Child labor and convict labor provisions
• Equal opportunity for workers with disabilities
• Combating trafficking in persons
• Sustainable products
• Payment instructions (e.g., Wide Area WorkFlow - WAWF)
• Evaluation factors for offers (Technical Capabilities, Price)

This document is critical for bidders to assess their ability to comply with all contractual requirements and to accurately price their proposals.