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Monitoring/Protection relays
Voltage relays
3-phase
HRN-57N
Zurück
Voltage monitoring relays in 3P with adjustable levels HRN-57N
3 x 172-287 V
with NEUTRAL
EAN:
8595188137249 |
Code:
7515
DESCRIPTION
It serves to monitor voltage in a switchboard, protection of devices in 3-phase main.
It monitors value of voltage in 3-phase main.
It is possible to set upper and lower level independently.
Adjustable time delay eliminated short voltage peaks and failures in the main.
Relay doesn’t monitor phase sequence.
HRN-57: supply from all phases, means that relay is functional also in case of failure in one phase.
HRN-57N
: supply L1, L2, L3-N, means that relay monitors also failure of neutral wire.
TECHNICAL PARAMETERS
Phase failure: Yes
Phase sequence: x
Overvoltage: Yes
Undervoltage: Yes
Asymmetry: x
Monitored range: AC 3 x 172-287 V
Supply voltage: 1x CO, 8 A
Housing: 1-MODULE
Power supply: from monitored voltage
Dimensions: 90 x 17.6 x 64 mm (3.5˝ x 0.7˝ x 2.5˝)
Buy on-line
Instalation manual
Downloads
Datenblatt HRN-57 57N
Format: pdf | Size : 1 MB | 06. 08. 2021
EC Declaration of conformity HRN-57N
Format: pdf | Size : 357 kB | 06. 08. 2021
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Voltage monitoring relays in 3P with adjustable levels HRN-57
It serves to monitor voltage in a switchboard, protection of devices in 3-phase main.
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