Barber‑Colman – DYN2‑90200 – Silverline Microprocessor Auto‑Synchronizer

The Barber‑Colman DYN2‑90200 (Silverline series) is a microprocessor-based automatic synchronizer designed to match a generator’s phase, frequency, and voltage to a bus quickly and accurately. With built-in safety relays and signal outputs, it streamlines the paralleling process and minimizes human error in power generation systems.  

Key Features:

• Manufacturer: Barber‑Colman (also branded as Silverline/Invensys)  

• MPN: DYN2‑90200 (includes variants DYN2‑90300)  

• Function: Automatic synchronizer (generator‑to‑bus)

• Power Supply: 115/230 VAC, single-phase, 50/60/400 Hz  

• Sensing: Compares generator’s frequency, phase angle (adjustable ±5° to ±20°), and voltage to bus  

• Output: Proportional + integral governor control; isolated SPDT relay for breaker closing; voltage matching relays  

• Safety Features: Built-in synch check and voltage-relay protection  

• LED Indicators: Visual display for frequency, phase, and voltage status  

• Capture Range: ±3 Hz  

• Chassis: Rugged steel behind-panel mount