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Neutral Monitor
SL 9069
- Article number: 0050635
- Type: SL9069.12 3/N AC220/127V
In 3-phase systems with neutral often also single phase loads are connected between phase and... more
Product description
In 3-phase systems with neutral often also single phase loads are connected between phase and neutral. If the neutral is missing in a system like this, unsymmetric voltages occur, that could damage single phase consumers, if the voltage rises to high. Also consumers can stop to work if the phaseneutral voltage gets too low. The IL 9069 detects this problem and can switch off the system immediately.
Technical specifications
| Measuring range max.: | 415 V |
| Standard measuring range: | 3/N AC 400/230 V |
| 1- / 3-phase: | 3 |
| Operate delay: | Yes |
| Output contacts: | 2 C/O contacts |
| Width: | 35 mm |
| Enclosure design: | Switch cabinet |
| Type: | SL 9069 |
Features
- According to IEC/EN 60255-1
- Detection of
- missing neutral in the system
- broken neutral on IL/SL 9069
- neutral exchanged against phase - Detection of phase failure also with disconnected load
- For 3-phase systems
- De-energized on trip
- LED indicator for operation/state of output contacts
- Single phase connection possible
- Without auxiliary voltage
- 2 cangeover contacts
- Optionally with adjustable asymmetry detection and on delay
- Devices available in 2 enclosure version:
IL 9069: depth 59 mm with terminals at the bottom for installations systems and industrial distribution systems according to DIN 43880
SL 9069: depth 98 mm with terminals at the top for cabinets with mounting plate and cable duct - Width 35 mm