The Cummins TS MK Automatic Transfer Switch (ATS) Control Assembly (Part No. -) is a microprocessor-based controller designed for line-to-neutral voltage sensing in utility-to-generator applications. It ensures seamless power transitions, enhancing reliability and operational efficiency in critical power systems.

Key Features:

Model: TS MK
Part Number: -
Brand: Cummins
Voltage Sensing: All phases on the normal source; single phase on the generator source
Frequency Sensing: Generator source pickup at % of nominal frequency; dropout at %
Operating Modes: Open transition with programmed transition (adjustable – seconds); exercise and test modes
Time Delays:
- Engine Start: Adjustable – seconds (default seconds)
- Transfer Normal to Emergency: Adjustable – seconds (default seconds)
- Retransfer Emergency to Normal: Adjustable – minutes (default minutes)
- Generator Stop: Adjustable – minutes (default minutes)
Integrated Exerciser Clock: Configurable for , , , or -day cycles with a fixed -minute exercise duration and a -hour offset
Control Interface:
- Front Panel: Pushbuttons for test, override, and set exercise functions
- LED Indicators: Status lamps for source availability, source connected, exercise mode, and test mode
Certifications: Compliant with NFPA , NFPA , NFPA , and NEMA standards

Cummins - TS1311 MK11 ATS - Automatic Transfer Switch Control Assembly