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Specs
Technical Summary
- Rating Range
- Switch Dependent
- Transfer Type
- Application Dependent
- Switch Type
- Application Dependent
Controller Specifications
- Undervoltage Dropout for Source 1 and Source 2
- 75-98% of nominal
- Undervoltage Restore for Source 1 and Source 2
- 85-100% of nominal
- Underfrequency Dropout for Source 1 and Source 2
- 88-98% of nominal
- Underfrequency Restore for Source 1 and Source 2
- 90-100% of nominal
- Delay for Engine Cool Down (U)
- 0-10 seconds
- Delay Transfer to Nonpreferred Source (W)
- 0-5 minutes
- Delay NeutralTransition Time Delays (DT,DW)
- 0-10 minutes
- Storage Temperature
- (-30˚C - 75˚C ), -22˚F - 167˚F
- Operating Temperature Ambient
-
40 - 400 amp molded shell (-20˚C to 65˚C) , -4˚F to 149˚F
40 - 4000 amp all others (-20˚C to 60˚C), -4˚F to 149˚F
Features
Features and Benefits
- Digital timer and adjustments with 1 second resolution
- Long lasting LED indicators and an easy-to-view LCD display
- Inputs optoisolated for high electrical immunity to transients and noise
- Digital voltage and frequency adjustments with1% resolution
- Voltage and frequency sensing includes:
–Voltage imbalance detection between phases
–Under frequency sensing on source 2
–3 Phase under voltage sensing on source 1(S1)
– Normal and single phase sensing onsource (S2)
– Emergency - Modular pre-signal option easily integrated into the system (e.g. elevator pre-signal and motor load disconnect)
- Universal Motor Disconnect (UMD) available for programming to pre-signal, post-signal or both
- Line voltage transients are isolated from the control board using remote transformers
- Simplified major components and modules for easy replacement
- On-board diagnostics including voltage frequency, control and timing
- Nonvolatile memory – battery backup not required during normal source outage
- External communication available through LonWorks/ModBus network interface (RS232,RS 422, and RS 485 are also available)
- Maintained and momentary test positions are available to the controller
- Test mode allows manual bypass of all transfer timers when applicable
- Automatic daylight savings adjustment available
- Digital timer and adjustments with 1 second resolution
- Long lasting LED indicators and an easy-to-view LCD display
- Inputs optoisolated for high electrical immunity to transients and noise
- Digital voltage and frequency adjustments with1% resolution
- Voltage and frequency sensing includes:
–Voltage imbalance detection between phases
–Under frequency sensing on source 2
–3 Phase under voltage sensing on source 1(S1)
– Normal and single phase sensing onsource (S2)
– Emergency - Modular pre-signal option easily integrated into the system (e.g. elevator pre-signal and motor load disconnect)
- Universal Motor Disconnect (UMD) available for programming to pre-signal, post-signal or both
- Line voltage transients are isolated from the control board using remote transformers
- Simplified major components and modules for easy replacement
- On-board diagnostics including voltage frequency, control and timing
- Nonvolatile memory – battery backup not required during normal source outage
- External communication available through LonWorks/ModBus network interface (RS232,RS 422, and RS 485 are also available)
- Maintained and momentary test positions are available to the controller
- Test mode allows manual bypass of all transfer timers when applicable
- Automatic daylight savings adjustment available
User-Friendly Operation
- LEDs for continuous monitoring of switch position, source availability, exercise time delay operation and diagnostics
- Simplified adjustment for voltage, frequency and time delay settings
- Close differential 3 phase under-voltage sensing of source 1, factory standard setting 90% pickup,80% dropout (adjustable); under-frequency sensing of the source 1 factory setting 95% pickup (adjustable)
- Voltage and frequency sensing of source 2,factory standard setting 90% pickup voltage,95% pickup frequency (adjustable)
- Test switch (fast test/load/no load) to simulate normal source failure – automatically bypassed should source 2 fail
- LEDs for continuous monitoring of switch position, source availability, exercise time delay operation and diagnostics
- Simplified adjustment for voltage, frequency and time delay settings
- Close differential 3 phase under-voltage sensing of source 1, factory standard setting 90% pickup,80% dropout (adjustable); under-frequency sensing of the source 1 factory setting 95% pickup (adjustable)
- Voltage and frequency sensing of source 2,factory standard setting 90% pickup voltage,95% pickup frequency (adjustable)
- Test switch (fast test/load/no load) to simulate normal source failure – automatically bypassed should source 2 fail