Description

DS2020DACAG2 AC‑DC Power Supply Module

Technical Specifications

• Product Model: DS2020DACAG2
• Brand: GE Vernova
• Warranty: One Year
• Input Voltage: 115 / 230 VAC selectable, 50‑60 Hz
• Operating Temperature: ‑40 °C ~ +65 °C
• Storage Temperature: ‑40 °C ~ +85 °C
• Response Time: Output stabilisation ≤250 ms
• Protection Class: IP20 rack‑mount open‑frame unit
• Accuracy Class: Industrial turbine‑control power‑supply grade
• Output Frequency: Not applicable
• Rated Current: 9.5 A max output, 1000 W power rating
• Output: Regulated 125 VDC, parallel‑capable for redundant configuration
• Cooling: Natural convection with integrated heat sink
• Diagnostics: DC‑OK LED status indicators, over‑voltage / over‑current / short‑circuit protection
• System Compatibility: GE Speedtronic Mark V, EX2100 excitation control system
• Humidity: 5‑95 % RH, non‑condensing
• Weight: 2.8 kg
• Dimensions: Standard Mark V rack‑mount footprint
• 

Product Overview

DS2020DACAG2 is a high‑reliability AC‑to‑DC power conversion module built for GE Speedtronic Mark V turbine control racks and EX2100 excitation systems. It converts mains AC into stable 125 VDC system bus power for controller logic boards, gate pulse amplifiers and auxiliary circuits. Multiple modules can be paralleled to realise fault‑tolerant redundant power architecture for gas‑turbine and steam‑turbine power‑generation units. Integrated surge filtering and multi‑layer fault protection improve stability under plant electrical disturbance conditions. Obsolete turbine‑control spare hardware available as refurbished and surplus tested units for legacy power‑plant cabinet overhaul projects.

Application Notes

‑ Install inside well‑ventilated Mark V rack; maintain natural‑convection clearance. ‑ Confirm AC input‑voltage selector jumper setting before power‑on. ‑ Disconnect AC input and discharge internal capacitors before service work. ‑ Typical deployment: power‑plant Mark V / EX2100 turbine‑control power‑supply spare‑part stocking.