ROYAL A2-P
• Three-phase current relay
• Monitoring mill feeder or dry products crushers
• Monitoring loads in extrusion or drawirg machines
• Monitoring loss of prime in pumps
• Monitoring maximum power in pumping station
• Monitoring power to heaters in chemical baths, moulds or other types of equipment
• In general, controlling maximum or minimum load in electrical motors
ROYAL A3 / A3-P
• Three-phase voltage
ROYAL A4-P
• Network analyzer in 4 quadrants for single-phase or balanced three-phase power systems
• Instrumentation (measurement of: voltage; current; frequency; active, reactive and apparent power; power factor; maximum power demand and harmonic distortion)
• Protection of motor by cos j conditions
Relay:
• Power (active / reactive)
• cos j (quick disconnection of automatic capacitor bank to avoid resonance events due to overcompensation occurrences)
• Current THD
• Inverse power
• Power consumption or generation event
ROYAL A5-P
• Motors protection
Relay:
• Three-phase current
• Phase unbalanced (in current)
• Phase inversion
