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Monitoring voltage relays1-phase, monitoring AC

HRN-33Voltage monitoring relay HRN-3x line and HRN-6x line

HRN-63Voltage monitoring relay HRN-3x line and HRN-6x line

HRN-35Voltage monitoring relay HRN-3x line and HRN-6x line

HRN-37Voltage monitoring relay HRN-3x line and HRN-6x line

HRN-67Voltage monitoring relay HRN-3x line and HRN-6x line

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Type	Sequence	Over (max)	менее (мин)	Failure	Sequence	Asymmetry	Cos-φ	Type		Function		Supply (V)
Type	Sequence	Over (max)	менее (мин)	Failure	Sequence	Asymmetry	Cos-φ	AC	DC	Window	Hysteresis	Supply voltage	Galvanic. separated.
HRN-33	1	•	•					•			•	from monitored	0
HRN-63	1	•	•					•				from monitored	0
HRN-35	1	•	•					•			•	from monitored	0
HRN-37	1	•	•					•				from monitored	0
HRN-67	1	•	•					•				from monitored	0

serves to control supply voltage for appliances sensitive to supply tolerance, protection of the device against under/over voltage
HRN-3x is band voltage relay, HRN-6x is over/under voltage relay. For difference - see graph of function
HRN-33, HRN-63 - monitors voltage in range AC 48 - 276 V
- U max and U min can be monitored independently
HRN-34, HRN-64 - like HRN-33, but voltage range is DC 6 - 30 V
- monitoring of battery circuits (12, 24 V)
HRN-35 - like HRN-33, but independent output relays for each voltage level
- switching of other loads possible
HRN-37, HRN-67 - like HRN-33, monitors voltage in range AC 24 -150 V
- it is possible to monitor level of overvoltage and undervoltage independently
adjustable time delay for all types is 0 - 10 s (to eliminate short voltage drops or peaks)
voltage Umin adjusted as % of Umax
3-state indication - LEDs indicating normal state and 2 fault states
supply from monitored voltage (monitors level of its own supply)
1-MODULE, DIN rail mounting