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The MX250 microprocessor is standard with the entire CTS product family. The MX250 Series includes all the standard features of the MX150 Controller while offering expanded programmability and field adaptability. The high reliability and ease of unattended operation makes it ideal to use in a wide range of mission critical applications.
Benefits
The
MX250
microprocessor
is standard with the entire CTS product family
The
High
Reliability
and ease of unattended operation makes it ideal to use in a wide range of mission critical applications
Features At A Glance
Features and Benefits
Available to support ALL transfer modes: –Open, Delayed and Closed Transition
User-friendly programmable engine exerciser,with or without load, at ANY interval in a one-year period
A wide variety of operating voltages available in a single controller for most domestic and international applications
Real-time display of ATS status, including active timer(s)
Multiple levels of user-defined password protection
Serial communications allowing connectivity with other ATS's, Caterpillar® Switchgear, and SCADA systems
Time-tested synchronous logic automatically measures phase angle and frequency allowing disturbance-free transfer
Unsurpassed statistical ATS/System monitoring available in real-time
Elevator pre-signal contacts automatically bypassed if the selected source fails, minimizing time an elevator is without power
Universal Motor Disconnect (UMD) sends a pre-signal, post-signal or both to any motor control center. Not bypassed in an outage,the UMD ensures safety in the event of a single phase loss
Voltage unbalance detection standard
Also includes all standard MX150 features
Back-lit/temperature compensated LCD display (includes the display of source voltage and frequency, exercise time, delay options and source condition)
Close differential 3-phase under-voltage sensing of source 1, factory standard setting 90% pickup, 80% dropout; under-frequency sensing of source 1 factory setting 95% pickup;voltage and frequency sensing of source 2,factory standard setting 90% pickup voltage,95% pickup frequency. All factory settings are operator adjustable.
LED indicators for ATS position and source availability
Plant exerciser clock (configured for 1, 7, 14 or 28 day run selections)
Built-in time delays with count-down display
Push button to bypass time delay transfer/retransfer
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˚F40 - 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
MX250 Microprocessor Controller Standard Equipment
ESD immunity test per EN61000-4-2 Class B(Level 4)
Electrical fast transient/burst immunity test perEN61000-4-4
Conducted and Radiated Emissions per EN55022Class B (CISPR11) (Exceeds EN55011 & MILSTD461 Class 3)
Voltage dips and interruption immunity EN61000-4-11
Conducted immunity test per EN61000-4-6(ENV50141)
Ringing wave immunity per IEEE 472(ANSIC37.90A)
Surge immunity test per EN61000-4-5 IEEE C62.41
UL, CSA and IEC listed
Radiated RF, electromagnetic field immunitytest per EN61000-4-3 (ENV50140) 10v/m
User Friendly Operation
Weather and tamper resistant touchpad
Through-the-door programming and display
Multipurpose display: LEDs for continuous monitoring of switch position and source availability; a four line by twenty character LCD display for settings, functions, programming and annunciation
Simplified keypad entry – menu-driven system is designed for ease of use
Built-in diagnosis with displays for ease of troubleshooting
Additional Features
User settings are unaffected by power outages
Built-in programmable exerciser uses separate microcontroller with independent battery back-up to serve as clock/calendar – battery failure will not affect switch operation
Built-in electrical operator protection
Inputs are optoisolated for high electrical immunity to transients and noise
Source connection and transfer data logging
Separate line voltage components for controller isolation
Watchdog circuit for microprocessor operation
See how MX250 Microprocessor Controller compares against frequently compared products.
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