Primary Contents

• Can the AGF Ground Relay or K2GS Earth-fault Directional Relay be combined with another company's ZCT (zero-phase current transformer) or ZPD (zero-phase voltage detector)?
• Can the parameters of the K2CA Over Current Relay be changed during actual use?
• What devices can be used in combination with the K2GS-B Earth-fault Directional Relay?
• Please describe the current setting for the timing element in the K2CA Over-Current Relay(OCR).
• Can SE Motor Protective Relays be used for motors with a rated current of 1 A or less?
• Can the Motor Protective Relay "SE" be used in an inverter circuit?
• Can you connect the K2CU Heater Element Burnout Detector's control power supply from a circuit other than the heater circuit?
• How is an electrical current value of the heater calculated?
• What precautions are necessary when the Motor Protective Relay "K2CM Series" is used in an inverter circuit?
• Why can't an SE Motor Protective Relay be used in circuits containing thyristor control or a rectifier?
• What is the approximate DC output voltage of an SET Current Converter?
• What's the function of the K2CA-D Over Current Relay operation lock button?
• How should you choose between the K2CA-DO Over-Current Relay and K2CA-DO3 Over-Current Relay ?
• Can one SET Current Converter be connected to and used with two SAO Current Sensors? If not, can it be used by inserting a diode?
• How do you display power consumption with a counter?
• How do you wire the KM20 Power Sensor and how do you mount the Current Transformer (CT)?
• What is the KM20 Power Sensor?
• How can you construct a power data collection system?
• What is power consumption?
• What does instantaneous operation mean for Motor Protective Relays?
• Why is the operating value for the overload factor of motors and relays given as "115% of the current setting value"?
• Is a specific insertion direction required, and do the input terminals have polarity for the cable of a Zero-phase Current Transformer used with an AGD/K6EL Ground Fault Relay?
• What does "inverse-time operation" refer to in a Motor Relay?
• Does an OTG Zero-phase Current Transformer have polarity?