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MX250 Microprocessor Controller |
MX350 Controller |
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Technical Summary |
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Rating Range | Switch Dependent | Switch Dependent | - |
Transfer Type | Application Dependent | Application Dependent | - |
Switch Type | Application Dependent | Application Dependent | - |
Controller Specifications |
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Undervoltage Dropout for Source 1 and Source 2 | 75-98% of nominal | 75-99% of nominal | - |
Undervoltage Restore for Source 1 and Source 2 | 85-100% of nominal | 85-100% of nominal | - |
Underfrequency Dropout for Source 1 and Source 2 | 90-100% of nominal | 45 - 59.9 Hz | - |
Delay for Engine Cool Down (U) | 0-60 minutes | 0-60 minutes | - |
Delay Transfer to Nonpreferred Source (W) | 0-5 minutes | 0-5 minutes | - |
Delay NeutralTransition Time Delays (DT,DW) | 0-10 minutes | 0-10 minutes | - |
Storage Temperature | (-30˚C - 75˚C ), -22˚F - 167˚F | (-40˚C - 90˚C ) | - |
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 |
(-20˚C to 50˚C) | - |
Voltage Unbalance on Dropout for Source 1 and Source 2 | - | 5 to 20% of nominal | - |
Control Power | - | 120 VAC | - |
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) | - |
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 | - |
Overfrequency Restore for Source 1 and Source 2 | - | 50 - 62.9 Hz | - |
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 | - |
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