BTsU-T8-54

BTsU-T8-54 aircraft electronic unit

BTsU-T8-54 is the faithful Latin transliteration of the Russian designation БЦУ-Т8-54; the uppercase form BTSU-T8-54 is also used in stock catalogues. Technical material lists the unit among the electronic blocks of the T8-54 / SUO-T8-A equipment installed on the Su-25. The complete T8-54 suffix is part of the identity and must remain in an enquiry.

Position in the Su-25 armament equipment

The documented equipment set coordinates commands, switching and indication for aircraft armament. BTsU-T8-54 belongs to this distributed electronic chain on the Sukhoi Su-25. Public documentation confirms system membership, but it does not support describing the unit as a direct substitute for the separately listed BCU-8 target-designation block.

Associated control blocks

The same system documentation lists control and interface units such as BS-8-1/2, BUP-8-1/2, BAK-8, BKU-8, BA-8, BAP-8 and BUS-8. A related catalogue position is BCU-8. These relationships help identify the system context; interchangeability still depends on drawing, connector keys and the exact T8-54 configuration.

Identification and technical data

Selection must use the Cyrillic data-plate marking БЦУ-Т8-54, Latin spelling, drawing number, series and connector configuration. No verified standalone supply voltage, signal map, dimensions or mass was found in the public documents reviewed. Those values should be added only from the product passport or the corresponding Su-25 armament-system manual.

Inspection, testing and supply

Inspect the housing, mounting hardware, plug connectors, contacts, seals and legibility of the full designation. Bench testing requires a controlled simulation of the associated T8-54 signals. An enquiry should state BTsU-T8-54 / БЦУ-Т8-54, aircraft modification, equipment execution, quantity, condition and documentation. More system electronics are listed under Electronic Control Units.

Product Name: Aircraft Armament-System Electronic Unit
Primary Designation: BTsU-T8-54
Alternative Latin Form: BTSU-T8-54
Original Cyrillic Designation: БЦУ-Т8-54
Product Type: Replaceable electronic block of aircraft armament-control equipment
Documented Equipment Family: T8-54 / SUO-T8-A
Documented Aircraft: Su-25 family; exact modification must be verified
Documented Role: Electronic control/interface block within the distributed armament system
Associated Blocks: BS-8, BUP-8, BAK-8, BKU-8, BA-8, BAP-8 and BUS-8 families
Electrical Data: Requires the exact product passport and T8-54 wiring documentation
Installation Data: Match drawing, series, connectors and mounting
Alternative Designations: BTsU-T8-54; BTSU-T8-54; БЦУ-Т8-54; БЦУ Т8-54
Interchangeability: Not established with BCU-8 or other BCU-family blocks
Documentation: Product passport and Su-25 / T8-54 technical documentation

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