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Eaton Industries
Breaker-Based Bypass Isolation Transfer Switches
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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.
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.