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Eaton’s Bypass Isolation Contactor Type Automatic Transfer Switches include dual automatic switching mechanisms that provide redundancy for critical applications. The ATS distributes electrical power to the load, while the automatic bypass serves as a backup. When the ATS is isolated for test, power is routed through the automatic bypass switch to ensure that critical loads remain powered without interruption. Compartmentalized steel barrier construction physically isolates the automatic bypass switch, ATS, and electrical control circuitry for increased safety when performing maintenance activities.
Intelligent controllers can help you make informed decisions and perform preventative maintenance related to your automatic transfer switch (ATS) activity.
Eaton offers controller models with remote management, advanced diagnostics, programmable setpoints, integral metering and innovative features such as ATS Health & Maintenance Watch - available with the ATC-900.
Bypass isolation transfer switch basics: what it does and how it operates
When disruptions happen to a hospital’s essential electrical system, Eaton’s automatic transfer switches restore operations to life safety and critical care branches within 10 seconds and ensure continuity of power to their vital electrical loads.
Reliable, rugged, versatile and compact assemblies for transferring essential loads and electrical distribution systems from one power source to another.
Watch the following videos to learn more:
| CONTINUOUS CURRENT | Up to 3000 A |
| SYSTEM VOLTAGE | Up to 600 Vac |
| SYSTEM FREQUENCY | 50/60 Hz |
| SHORT-CIRCUIT WITHSTAND AND CLOSE-ON (TIME BASED) | Up to 100 kA (0.05 sec) |
| SHORT-CIRCUIT WITHSTAND AND CLOSE-ON (SPECIFIC BREAKER) | Up to 100 kA |
| SHORT-CIRCUIT WITHSTAND AND CLOSE-ON (SPECIFIC FUSE CLASS) | Up to 200 kA |
| SHORT-TIME WITHSTAND AND CLOSE-ON (TIME-BASED) | Up to 85 kA (0.5 sec) |
| THIRD PARTY APPROVAL/RECOGNITION | UL 1008 and CSA 22.2 No. 178 Listed |
| NEMA | 1, 3R, 12, 4X |
| SEISMIC QUALIFICATION | IBC, CBC, UBC Zone 4, OSHPD |
| EMISSIONS | FCC Part 15 (Subpart B); CISPR 11 |
| ELECTROMAGNETIC COMPATIBILITY (EMC) | IEC 61000-4-2: electrostatic discharge immunity IEC 61000-4-3: radiated immunity IEC 61000-4-4: fast transient/burst immunity IEC 61000-4-5: surge immunity IEC 61000-4-6: conducted immunity IEC 61000-4-11: voltage dip/interruption immunity |
| SWITCHING MECHANISM | Double-throw power switch |
| SURGE PROTECTION | Surge Protective Devices |
| POWER AND ENERGY METERS | Power Xpert meters |
| ENCLOSURE TYPE | Indoor and outdoor |
| ACCESS (CATALOG DEPENDENT) | Front/rear |
| CABLE ENTRY (CATALOG DEPENDENT) | Top/bottom |
| MOUNTING (CATALOG DEPENDENT) | Floor |
Learn about the fundamentals of automatic transfer switches.
