MX350 Controller
MX350 Controller

The MX350 controller is specifically designed for low voltage Automatic Transfer Switch (ATS) applications. The flexible control and communications options are ideal for any application. Integrated push buttons, graphical controls and LED indicators reduce external components and wiring in addition to providing local control and access to system information. Multiple communication protocols allow simple integration into monitoring and control systems.

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Voltage Unbalance on Dropout for Source 1 and Source 2 5 to 20% of nominal
Delay NeutralTransition Time Delays (DT,DW) 0-10 minutes
Control Power 120 VAC
Undervoltage Dropout for Source 1 and Source 2 75-99% of nominal
Undervoltage Restore for Source 1 and Source 2 85-100% of nominal
Overfrequency Dropout for Source 1 and Source 2 50.1 - 63 Hz
Source Sensing 120 - 690 VAC +/- 1% of nominal voltage (+/- .05 Hz, +/-.5 A)
Delay for Engine Cool Down (U) 0-60 minutes
Underfrequency Restore for Source 1 and Source 2 45 - 59.5 Hz
Load Control Relay Contacts (2) 0-259 minutes
Overvoltage Dropout for Source 1 and Source 2 105 - 110% of nominal
Voltage Unbalance for Restore for Source 1 and Source 2 4 to 19% of nominal
Storage Temperature (-40˚C - 90˚C )
Underfrequency Dropout for Source 1 and Source 2 45 - 59.9 Hz
Overfrequency Restore for Source 1 and Source 2 50 - 62.9 Hz
Delay Transfer to Nonpreferred Source (W) 0-5 minutes
Operating Temperature Ambient (-20˚C to 50˚C)
Communications Interface - Optional Serial RS-485 upt to 115.2 Kbps or TCP/IP (10/100 base-T)
Overvoltage Restore for Source 1 and Source 2 103 - 108% of nominal
Load Control Relay Contacts (1) rated for 10A @ 24VDC or 120VAC
Rating Range Switch Dependent
Transfer Type Application Dependent
Switch Type Application Dependent