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Voltage monitoring relay HRN-54
1 NO/NCDIN railadjustable

voltage monitoring relay
voltage monitoring relay
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Characteristics

Measured/monitored value
voltage
Contact configuration
1 NO/NC
Mounting
DIN rail
Other characteristics
adjustable
Tripping current

8 A

Description

Monitoring voltage relay HRN-54Serves to monitor voltage , phase failure and sequence in switchboards, protection of devicesDESCRIPTION Serves to monitor voltage , phase failure and sequence in switchboards. Supply is done from monitored voltage. Fixed T1(500ms) and adjustable T2 (0.1 – 10 s) delay to eliminate short voltage drops and peak. In case supply voltage falls below 60 %Un (Uoff lower level)relay immediately breaks with no delay It is possible to set upper and lower level of monitoring voltage. Monitoring voltage relay in 2 variants:HRN-54: supply from all phases which means that relay is functional also in case when one phase is faultyHRN-54N: supply L1-N, means that relay monitors also failure of neutral wire Faulty state is indicated by red LED and by breaking output relay contact.TECHNICAL PARAMETERS Monitored power voltage: HRN-54: 3 x 400 V HRN-54N: 3 x 400 V/ 230 V Umax: 105 – 125% of monitored voltage. Umi): 75 – 95% of monitored voltage. Output contact: 1x changeover 8 A/250 V AC1 (AgNi, 2500 VA). 1-MODULE, DIN rail mounting.
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