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This time delay unit is an auxiliary that can be combined with an undervoltage release (MN). It must be associated with a 48VDC MN undervoltage release. It eliminates the risk of nuisance tripping due to transient voltage dips lasting from 200ms to 3s. Its power supply is 48-60VDC or 48-60VAC 50/60Hz. This time delay unit has 4 adjustable steps (0.5s - 1s - 1.5s - 3s). It is an external accessory and can be mounted in the switchboard.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Device short name | MN delay unit |
| Device application | control |
| Range | MasterPacT |
| Range of product | ComPact NS1600b...3200, ComPact NS630b...1600, ComPact NSXm, ComPact NSX400...630 DC, ComPact NSX100...250 DC, ComPact NSX400...630, ComPact NSX100...250 |
| Voltage release type | undervoltage release |
| Product or component type | time delay relay |
| Range compatibility | Masterpact MasterPact NW DC, Masterpact MasterPact NT UL 489, Masterpact MasterPact NW UL 489, ComPact ComPact NSX DC, ComPact ComPact NSXm, PowerPact PowerPact Multistandard, ComPact ComPact NS1600b...3200, ComPact ComPact NS630b...1600, ComPact ComPact NSX, Masterpact MasterPact NW, Masterpact MasterPact NT |
| [Uc] control circuit voltage | 48...60 V DC, 48...60 V AC 50/60 Hz |
| Complementary | |
| Mounting mode | external mounting |
| Impulse duration | 200 ms |
| Supply inrush power | 200 VA |
| Supply holding power | 4.5 VA |
| Threshold tripping voltage | 0.85 Un close, 0.35...0.7 Un open |
| Response time | 3 s, 1.5 s, 1 s, 0.5 s |
| Time delay range | 0.5...3 s |
| Accessory / separate part category | spare part for Compact NS1600b...3200, spare part for Compact NS630b...1600 |
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