BNM__Redacted.pdf
PDF 294 KB Posted
- Attached to
- Schweitzer Engineering Laboratories SEL-3350
- Solicitation number
- N6449826Q5064
About this file
This is a Brand Name Justification Format for Simplified Acquisitions submitted to the Simplified Acquisition Section by the Requisition Originator Code 446 at NSWC Philadelphia Division.
The procurement is for SEL-3350#53MY Automation Controller units required for SCD Electrical Plant Tech Refresh aboard a US Navy ship. The requisition specifies 22 units (EA) with a total estimated procurement amount and a delivery start date of 08/15/2026. The item being procured is a protective relay controller that communicates with 4160-volt breaker protective relays and will replace the existing obsolete SEL2032 controller. Environmental testing and enclosure qualification have been completed, and software changes have been accounted for under SCD requirements. The point of contact is Joe Everly, Code 446, NSWC Philadelphia Division, located at 1601 Langley Ave, Bldg. 542, Philadelphia, PA 19112.
The justification for sole source procurement is based on the Schweitzer Engineering Laboratories SEL-3350 Automation Controller's unique qualifications as determined by Code 446 Subject Matter Experts. The SEL-3350 is the only viable option because it meets mandatory environmental requirements for operation in extreme temperatures (-40F to 185F), supports multiple voltage configurations, includes required processing capabilities and memory specifications, and has completed shock testing for Navy ship installation. Alternatives such as the SEL-2032 (now obsolete and incompatible with upgraded software) and FANOX SIA-B protective relay (incompatible with existing hardware, requiring extensive software modifications and a new environmentally-tested enclosure with new shipboard location) are not acceptable. The document is signed by the Cognizant Requisition Originator, 1st Level Supervisor, and Contracting Officer, all digitally signed on January 16-21, 2026.
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| File | Type | Posted |
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| Solicitation - N6449826Q5064.pdf |
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brackets to fit in the existing place of obsolete SEL2032, those changes have already been incorporated as minor mechanical design changes under SCD
3. MARKET SURVEY
Schweitzer Engineering Laboratories SEL-3350 Automation Controller meets all the environmental qualifications required to be used onboard a US NAVY ship. SEL-3350 Automation Controller is not a form fit function for existing SEL2032, but appropriate modifications are being completed via SCD Electrical Plant Tech Refresh. Existing software for communication and interface requires software changes which are being completed via SCD .
Schweitzer Engineering Laboratories SEL-2032 Automation Controller is obsolete and can no longer be procured. SEL 2032 Communication device is a device that meets all environmental testing requirements and is installed aboard several US Navy ships, however with the lates software changes of SCD , this device will no longer interface with existing hardware such as ATLAS II Controller because upgraded software is designed to communicate with SEL3350 Automation Controller. This part number will no longer work because it will put the ship at risk due to obsolescence issues.
FANOX SIA-B protective relay is a device the supports medium voltage which is used on switchboards installed on . FANOX SIA-B will not be able to interface with existing hardware without additional extensive software changes.
Additionally, FANOX SIA-B will not fit in the enclosures designed and environmentally qualified for SEL3350. FANOX SIA-B is a larger and would therefore require a new enclosure which must go through environmental testing; this larger enclosure would also require a new shipboard location. These efforts will cost the government time and funding.
4. ADDITIONAL FACTS
N/A
5. CUSTOMER SIGNATURE:
Signature of Cognizant Requisition Originator
Signature of 1st Level Supervisor
Signature of Contracting Officer:
SHIMA.BAJRAM.15423816
Digitally signed by
SHIMA.BAJRAM.1542381643
Date: 2026.01.16 10:23:22 -05'00'
MCCOY.BRENDAN.O.1406
641437
Digitally signed by
MCCOY.BRENDAN.O.1406641437
Date: 2026.01.16 10:46:00 -05'00'
RANDAZZO.JILLIAN.12755
03742
Digitally signed by
RANDAZZO.JILLIAN.1275503742
Date: 2026.01.21 06:13:49 -05'00'
File details come from the government source that posted it. Updated .