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CTS Series Automatic Transfer Switch |
MX350 Controller |
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Technical Summary |
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Rating Range | 40 to 4000A | Switch Dependent | - |
Transfer Type | Open transition | Application Dependent | - |
Switch Type | Contactor Based | Application Dependent | - |
Electrical Ratings |
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Control Power | 40 to 4000 amperes, 2, 3 or 4 Poles | - | - |
Enclosure Capability | NEMA 1, 3R, 4, 4X and 12 | - | - |
System Voltage Application | Available to 600 VAC, 50 or 60 Hz | - | - |
Applicable Testing | UL 1008 listed at 480 VAC CSA C22.2 No. 178 certified at 600 VAC IEC 947-6-1 listed through 480 VAC |
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Controller Specifications |
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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 | - |
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