The B520 Auxiliary Power Supply Module is an auxiliary power supply expansion device that connects to compatible control panels through the SDI2 bus. This module is supervised and communicates all status changes to the control panel. Industrial, commercial, and institutional facilities are typical installations for the B520 module.
The B520 address switches allow for easy device addressing. The SDI2 Out terminals provide auxiliary power for SDI2 expansion devices, such as keypads. The AUX PWR terminals provides added auxiliary power capabilities for additional devices such as PIR motion detectors.
This part is cataloged in the U.S. Government catalog under NSN 5998-01-485-3289, indicating validated use in U.S. government and defense logistics supply chains.
WHERE IT FITS
MRO→MRO_GENERAL→B520
NSN:5998-01-485-3289 FSC:5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware CAGE:90536 — LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN (USA)
SPECIFICATIONS
NSN
5998-01-485-3289
COMPONENT DIAGRAM
KEY FEATURES
•
FEATURES PROVIDED: ELECTROSTATIC SENSITIVE
TYPICAL APPLICATIONS
Server power supply replacement (failed or degraded)
Redundant power upgrade for high-availability
Power capacity upgrade for GPU or expansion configurations
Hot-swap power maintenance in production environments
Spare inventory for break-fix operations
TECHNICAL CHARACTERISTICS
FEATURES PROVIDED
ELECTROSTATIC SENSITIVE
PART NAME ASSIGNED BY CONTROLLING AGENCY
INAVY: SW ROUTER CONTROL MODULE
END ITEM IDENTIFICATION
AN/UYQ-70(V) ADV DISPLAY SYS N/A FOR COSAL USE
OTHER ITEMS IN FSC 5998 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is B520?
B520 is a Bosch B520 power supply transformer Black manufactured by Bosch. It is classified as a MRO (MRO_GENERAL).
What parts can replace B520?
There are 2 known substitutes for B520: DON'T BUY - REPAIR ONLY, 79C0286-00. Substitute compatibility should be verified for your specific system.
What is the NSN for B520?
B520 is cataloged in the U.S. Government catalog under NSN 5998-01-485-3289. This indicates validated use in U.S. government and defense supply chains.
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