Product Description
MCBAY ATS420 Automatic Transfer Switch Controller
The MCBAY ATS420 Automatic Transfer Switch Controller is a highly reliable industrial module engineered for seamless power management in genset and dual power source applications. Featuring an intuitive LCD display with clear LED status indicators (ALARM, WARN, RUN) and comprehensive control buttons (S1 C/O, AUTO, OPEN, MAN/TEST, and S2 C/O), it ensures effortless operation and real-time monitoring. Equipped with robust rear terminal blocks, it supports 3-phase S1 and S2 voltage inputs, multiple high-capacity auxiliary outputs, and advanced connectivity options including an RS485 interface and a USB port for easy programming and system integration. CE certified for professional technology standards, the ATS420 guarantees optimal performance, safety, and longevity for your critical power transfer systems.
Technical Specifications:
- Brand & Model: MCBAY ATS420
- Application: Automatic Transfer Switch (ATS) systems, Genset, and Dual Power Source Control
- Display & Interface: LCD display with status indicators (ALARM, WARN, RUN) and tactile control buttons
- Voltage Inputs: S1 and S2 Voltage Inputs (3-phase + Neutral)
- Relay Outputs: S1 & S2 Close Outputs (10A), Aux Output 1 (5A), Aux Output 2 (10A), Aux Output 3 (10A)
- Inputs: S1 Close Input, S2 Close Input, Aux Input 1, Aux Input 2
- Communication & Programming: RS485 Interface and USB Port
- Certification: CE Certified

MCBAY ATS420 Automatic Transfer Switch Controller
Optimize your power management with the MCBAY ATS420 Automatic Transfer Switch Controller. Engineered for genset and dual power systems, this CE-certified industrial controller features an LCD interface, high-capacity 10A relay outputs, RS485 communication, and USB programming for reliable and seamless automated power transfer.






