User Manual | Chapter 3 – Installation Procedure |
Network Power Switch
4 Chapter 4 - Specifications
4.1General Specifications
•Manual and Automatic Transfers
•Sense and transfer time – less than 6 milliseconds
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•Selectable preferred source
•Selectable auto/manual retransfer
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•Convection cooling
•Hot swappable electronic static switching module
•Live mimic on Hot swappable unit for indicating load supply status & alarms
•Make before break manual bypass switch to transfer load from static switch to direct source 1 or source 2
4.2Electrical Specifications
| ELECTRICAL |
| UNITS | DESCRIPTION |
| CHARACTERISTICS |
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| Nominal Input Voltage |
| Volts | 110, 115 or 120 volts singe phase, 3W+G, 50 Hz. Solidly grounded |
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| Nominal Output current |
| Amps | 25 |
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| Frequency |
| Hz | 50 / 60 |
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| Source unhealthy status |
| - | Guaranteed Transfer to alternate source within |
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| Load Power factor range |
| - | 0.5 to unity leading or lagging |
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| Load Crest factor |
| - | upto 3.5 |
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| - | Adjustable from 5 ± 1º | |
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| Source voltage distortion |
| % | up to 10% THD |
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| Overload capability |
| % | 125% of continuous current for 2 hrs, 1000% for two cycles minimum. |
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| Over current Protection |
| - | By semi conductor fuse |
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| Short circuit withstand |
| Amps | upto 20,000 symmetrical amps, protected by internal fusing. |
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| Redundant Control Power |
| - | taken from available source 1 and source 2 |
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| Integral Maintenance Bypass |
| - | Make before break operation |
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| Alarm contacts |
| - | Eight Isolated Normally Open alarm & static switch Status contacts. |
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| Unsynchronised transfer |
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| 6 milllisec for synchronized transfer and 16 millisec for unsynchronized |
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