• monitoring of 3-phase mains:
– voltage in 2 levels (undervoltage and overvoltage) in range 138-276 V
(3x 400 V / 230 V) or 280-480 V (3x 400 V)
– phase asymmetry (can be switched off )
– phase sequence
– phase failure
• adjustable function „MEMORY“
• function of second relay (independent / parallel)
• adjustable delay for short peaks for each level independently
• HRN-43: for circuits 3x 400 V (without neutral)
• HRN-43N: for circuits 3x 400 / 230 V (with neutral)
• galvanically separated supply voltage AC 400 V, AC 110 V, AC 230 V, AC/
DC 24 V
• output contact: 2x changeover 16 A / 250 V AC1
• 3-MODULE, DIN rail mounting
Monitoring voltage relay HRN-43
- THE FULL-FEATURED MONITORING RELAY IS USED FOR 3-PHASE NETWORK CONTROL, NETWORK MONITORING AND PROTECTION, VOLTAGE REGULATION FROM A GENERATOR OR HYDROPOWER PLANE
- MONITORING 3-PHASE MAINS:
- A) VOLTAGE IN 2 LEVELS: OVERVOLTAGE AND UNDERVOLTAGE
B) PHASE ASYMMETRY
C) PHASE SEQUENCE
D) PHASE FAILURE - FUNCTION MEMORY – MANUAL RESET, “RESET” BUTTON ON FRONT PANNEL.
- SELECTABLE FUNCTION OF 2ND RELAY (INDEPENDENT / PARALLEL)
- FIXED T1(200MS) AND ADJUSTABLE T2 (0.1 – 10 S) DELAY TO ELIMINATE SHORT VOLTAGE DROPS AND PEAK.
- MONITORING RELAYS IN 2 VARIANTS:
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