Model KCT Automatic Transfer Switches MPAC …

1 Model KCT. Automatic Transfer Switches MPAC 1000t Controller Standard Features D Microprocessor controller D Real-time clock with battery backup D Broadrange voltage sensing (208--600 VAC) with 2%. accuracy on both sources D Frequency sensing with 1% accuracy on both sources D Environmentally sealed user interface D Keypad with tactile feedback pushbuttons D LED indicators D Selectable operating modes D Programmable inputs and outputs D Load/no load exercise function D Anti-single phasing protection D Load control inputs and outputs D Phase rotation sensing D Time-stamped event log D Gold-flashed engine start contacts D Modbusr communication with network and setup Ratings connections Voltage.

2 208--600 VAC 50/60 Hz MPAC 1000t Controller Current: 30--4000 amps Programmable Features Standard Contactor Features D System voltage and frequency D Open-transition operation with either Automatic or D Adjustable over/undervoltage and over/underfrequency for non- Automatic control the normal and emergency sources D 2, 3, or 4 poles D Adjustable time delays D Electrically operated, mechanically held D Commit/no commit Transfer D Double-throw, inherently interlocked design D ABC/BAC phase rotation selection with error detection (break-before-make power contacts)

3 D Resettable historical data D Solid, switched, or overlapping neutral (make-before-break D In-phase monitor type) D Password protection D High withstand and closing ratings D Design suitable for emergency and standby applications on Accessories all classes of load, 100% tungsten rated through 400 amps D Programmable input/output (I/O) modules with two inputs D Open-transition Transfer time less than 100 milliseconds and six outputs (isolated SPDT form C contacts, output (6 cycles @ 60 Hz) rating 2 amps @ 30 VDC/250 VAC); four I/O module maximum D Silver alloy main contacts D Three-stage charging, dual-output battery charger D Front-accessible contacts for easy inspection (6 amps @ 12 VDC/3 amps @ 24 VDC).

4 D Front-replaceable main and arcing contacts (600--4000 amps). D Padlockable user interface cover D Reliable, field-proven solenoid mechanism D Preferred source switch D Switching mechanisms lubricated for life D Supervised Transfer control switch D Internal manual operating handle D Setup software D Main shaft auxiliary contacts D Line-to-neutral monitoring D Chicago alarm module D External battery supply module (allows extended engine start Modbusr is a registered trademark of Schneider Electric. time delay). G11-80 ( Model KCT Transfer Switch) 1/07o Page 1.

5 Controller Features Standard Controller Features Communications user Interface Keypad D Serial port for PC connection D Start/end system test D Modbusr network interface D Set/end exercise Programmable Features D End time delay Use a personal computer with the optional setup software or a D Lamp test/service reset Modbusr link to view, select, or adjust programmable features. user Interface Indicators Programmable Features*. D Contactor position: Normal, Emergency D System voltage[. D Source available: Normal, Emergency D System frequency[.]]

6 D Service required: immediate, maintenance D Single/three-phase operation[. D Not in Automatic mode D ABC or CBA phase rotation (ABC). D Four-stage time delay remaining D In-phase monitor (disabled). D Exercise: load, no load, set/disabled D Commit/no commit switch (no commit). D Test: load, no load D user -defined password D Load control active: peak shave, pre/post- Transfer signal D Calendar mode exerciser (up to 21 events). D In-phase monitor active Programmable Inputs and Outputs Selectable Operating Modes*. Use a personal computer with the optional setup software or a D 1 week/2 week manually set exercise (1 week) Modbusr link to define inputs and outputs.]

7 D Disable/enable exercise (enable). Programmable Inputs D Load/no load exercise (no load). D End time delay input (default). D Load/no load test (load). D Inhibit Transfer D Enable/disable Transfer (enable). D Low battery fault Programmable Inputs (factory settings) D Load shed (forced Transfer to OFF; programmed-transition D End time delay models only). D Peak shave/area protection D Peak shave/area protection input (default). D Remote common fault Outputs D Remote test D Generator engine start, normally closed gold-flashed contact rated 2 amps @ 30 VDC/250 VAC Programmable Outputs D Pre- Transfer load control, one normally open contact D Auxiliary switch fault rated 10 amps @ 30 VDC/250 VAC.

8 D Common fault D One programmable output, factory-set to load bank control D Contactor position isolated SPDT form C contact rated 2 amps @ 30 VDC/250 VAC D Exercise active D Failure to acquire standby source Software Event Monitoring D Failure to Transfer fault Use a personal computer with the optional setup software or a Modbusr link to view historical data and system events. D Generator engine start D Historical data (total and resettable) D Load bank control (default). D System events (time and date-stamped) D Load control (pre/post- Transfer , up to 9 outputs).

9 D System faults (time and date-stamped) D Loss of phase fault D Line-to-line voltage D Low backup battery D System frequency D Modbusr-controlled relay outputs (4 maximum). D Time delay active D Not in Automatic mode D Time delay remaining D Non-emergency Transfer D System status D Over and undervoltage faults D Source available D Over and underfrequency faults D Contactor position D Peak shave/area protection active D Exerciser schedule, mode, and time remaining on active D Phase rotation error exercise D Source available D Test active * Factory default settings are shown in parentheses.

10 All settings are stored in non-volatile memory. [ System parameters set per order. G11-80 ( Model KCT Transfer Switch) 1/07o Page 2. Controller Features, continued Application Data Voltage and Frequency Sensing UL-Listed Solderless Screw-Type Terminals for External Power Connections Parameter Default Adjustment Range Normal, Emergency, and Load Terminals Undervoltage pickup 90% of nominal 85%--100% of nominal Maximum Undervoltage dropout 90% of pickup 75%--98% of pickup Switch Rating Number of Range of Wire Sizes, (Amps) Cables per Pole Copper or Aluminum ].