SACO SACO16D3AA352 Alarm Annunciator Unit

Feature & Principle

It receives dry contact alarm signals from relays and protection devices. When a fault trigger occurs, the corresponding window lamp lights up and the buzzer activates. It supports acknowledge, reset and first-flash functions to identify priority fault events.

Specifications

Model: SACO16D3AA352 Brand: SACO Input: Dry contact alarm input Indication: LED window lamp + audible buzzer Power supply: DC 24V standard Mounting: Panel cutout installation Certification: CE

Components & Diagnostics

Signal input circuit, LED indicator windows, buzzer module, acknowledge button, terminal block. Common faults: lamp burnout, buzzer silent, signal channel no response, power failure.

Product Brief

SACO16D3AA352 annunciator, power automation spare widely used for substation control cabinet and power plant fault alarm indication.