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Voltage monitoring in 3-phase mains
• Monitoring of phase sequence and phase failure
• Monitoring of asymmetry
• Connection of neutral wire optional
• Supply voltage = measuring voltage
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Meassuring circuit data |
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Functions |
monitoring of phase sequence, phase failure and asymmetry |
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with adjustable asymmetrie, connection of neutral wire optional |
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LED indicator |
yellow LED, green LED |
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Measuring circuit |
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• terminals |
(N)-L1-L2-L3 |
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• measuring variable |
3N-, sinus, 48…63 Hz |
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• measuring input |
= supply voltage 3(N)~ 400/230 V |
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• overload capacity |
determined by tolerance specified for supply voltage |
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• asymmetry |
5…25% |
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Input circuit |
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Rated voltage U |
3(N)~ 400/230 V |
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Rated power consumption |
8,0 VA / 0,8 W |
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Rated frequency |
AC: 48...63 Hz |
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Output circuit |
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Number and type of contacts |
1 C/O - changeover |
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Rated load AC1 |
5 A / 250 V AC |
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Max. breaking capacity AC1 |
1 250 VA |
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Insulation |
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Rated surge voltage |
4 000 V AC |
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Overvoltage category |
III PN-EN 60664-1 |
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Insulation pollution degree |
2, if built-in 3 PN-EN 60664-1 |
Products
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MR-EU3M1P
Monitoring relay, Contacts:1C/O, Voltage monitoring in 3-phase mains
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