Breaker-Based Bypass Isolation Transfer Switches

Automatic transfer switches

The Eaton Breaker Type Bypass Isolation Switch is designed to require minimum maintenance even under the most strenuous of operating conditions. Due to the use of moulded case switches and their inherent self-protection capability, the contact structure and mechanism is extremely long lived.

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Overview Technical Resources Support

Continuous Current Rating

Up to 1000A

System Voltage Rating

Up to 600 Vac

System Frequency Rating

50/60 Hz

Core features

Auxiliary relay contacts:
- Source 1 Present 2NO & 2NC
- Source 2 Present 2NO & 2NC
Switch position indication contacts:
- Source 1 Position 1NO & 1NC
- Source 2 Position 1NO & 1NC
Source 1 & Source 2 sensing:
- Undervoltage/underfrequency
- Overvoltage/overfrequency
- 3-phase rotation protection
- 3-phase voltage unbalance/loss
Pre-transfer signal contacts 1NO/1NC.
Go to Emergency (Source 2).
Seven field programmable time delays.
LCD-based display for programming, system diagnostic and Help message display.
Mimic diagram with source available and connected LED indication.
System test pushbutton.
Programmable plant exerciser.
Safe manual operation under full load with permanently affixed operating handle.
Monitor Utility and Generator power source voltages and Generator power source frequency.
Provides undervoltage protection of the Utility and Generator power sources.
Provides underfrequency and overfrequency protection of the Utility and Generator power source.
Provides faceplate source status indications.

Transfer switch 101

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Intelligent monitoring and control

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Specifications

Ratings

CONTINUOUS CURRENT	Up to 1000A
SYSTEM VOLTAGE	Up to 600Vac
SYSTEM FREQUENCY	50/60 Hz
SHORT-CIRCUIT WITHSTAND AND CLOSE-ON	Up to 65kA
SHORT-CIRCUIT WITHSTAND AND CLOSE-ON (SPECIFIC FUSE CLASS)	Up to 200 kA

Standards

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

Devices

SWITCHING MECHANISM	Double-throw power switch
CIRCUIT PROTECTION	Moulded Case Circuit Breaker
SURGE PROTECTION	Surge Protective Devices
POWER AND ENERGY METERS	Power Xpert, IQ Meters

Enclosure

ENCLOSURE TYPE	Indoor and outdoor
ACCESS	Front
CABLE ENTRY	Top/bottom
MOUNTING	Wall

Download Links

Informational videos

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Phone

1-800-268-3578

Emergency Service

1-844-438-6782

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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.
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