Transfer Switches (ATS & MTS)
Critical power redundancy via Automatic (ATS) and Manual Transfer Switches(MTS). Service Entrance Rated options for seamless backup power transitions.
Series
Series: Manual Transfer Switches (MTS)
Simple, cost-effective, and robust. Our MTS solutions are ideal for non-critical loads where a manual transition to backup power is acceptable. The robust and cost-effective solution for applications where switching time is not time-critical.
Operation: Requires human intervention to mechanically switch the power source from "Utility" to "Generator."
Amperage Range: 30A up to 4000A.
Voltage Ratings: 240V, 480V, 600V AC.
Enclosure Types: NEMA 1, 3R, 4X, and custom rack-mount configurations.
Key Features:
Mechanical Interlock: Prevents both sources from connecting simultaneously, eliminating dangerous backfeeding.
Double-Throw Switch: Three-position design (Source A – OFF – Source B).
Best For: Industrial facilities with 24/7 onsite personnel, construction sites, and pumping systems where a brief power gap does not halt the entire process.
Series: Automatic Transfer Switches (ATS)
For critical infrastructure where downtime is not an option. Our ATS units feature high-speed transition logic and are Service Entrance Rated, allowing for seamless switching between utility and generator power.Guaranteed operational continuity for critical infrastructure.
Operation: Constantly monitors the utility grid. Upon power failure, it automatically starts the generator and transfers the load without human intervention.
Amperage Range: 40A up to 4000A.
Transition Types:
Open Transition (Break-before-make): A momentary interruption before connecting the new source.
Closed Transition (Make-before-break): Seamless transfer without power interruption (synchronized).
Delayed Transition: Allows motors to coast down before reconnecting to prevent surges.
Special Rating:
Service Entrance Rated: Includes an integrated main disconnect, eliminating the need for additional upstream equipment at the service entry.
Controller Technology: Advanced microprocessors with event logging, remote diagnostics, and Ethernet/Modbus communication protocols.
Best For: Hospitals, Data Centers, Wastewater Treatment Plants, and any industrial process where a single second of downtime results in significant financial loss.
Applications & Integrated Support
Industrial Engineering:
ADP provides custom copper busbar sizing and enclosure modifications to ensure your transfer switch integrates perfectly with your existing infrastructure.
Field Lifecycle Service:
Through our sister company, Allied Contractors, LLC, we ensure your ATS/MTS is installed per code and receives annual preventative maintenance to guarantee the system performs when an emergency strikes.
Technical Comparison for the Web:
| Feature | MTS (Manual) | ATS (Automatic) |
| Cost | Budget-friendly / Lower entry | High-tech investment |
| Speed | Operator dependent | Instantaneous (Milliseconds) |
| Complexity | Simple mechanical design | Advanced digital electronics |
| Primary Use | Machinery & Non-critical Pumps | Safety & Critical Loads |