Zhuzhou, Hunan, China
Business Type: Manufacturer/Factory, Trading Company
Overcurrent earth-fault protection relay
SANDA's SD2200 combined overcurrent and earth-fault relay is a digital microprocessor based relay. This relay employs extensive advance numerical technique simple mented in real-time, for the computation of measured input quantity. Other advance features include programmable control output, metering and fault data recording.
Overcurrent earth-fault protection relay Functions:
1 Phase Overcurrent Protection
2 Earth-Fault Protection
3 Low-set Characteristic Curves
4 High-set Characteristic
5 External Binary Input
6 Relay Output
7 Configuration
8 Metering and Fault Record
Overcurrent earth-fault protection relay Features:
• Multifunction numerical relay
• Three-phase, low-set and high-set phase overcurrent
• Two sets of low-set and high-set setting for phase overcurrent
• Low-set and high-set earth fault
• Two sets of low-set and high-set setting for earth fault
• Four selectable IDMT characteristic curves
• Definite time for low-set and high-set
• Numeric display of phase and earth fault currents
• Display of relay settings
• 9 non- volatile records of previous tripping currents
• Recording of relay start time
• Highly flexible programmable relay outputs
• Multifunction external digital input
• Isolated RS485 Modbus -RTU communication
• Selectable 50 Hz / 60 Hz
Overcurrent earth-fault protection relay Key Benefits:
Overcurrent earth-fault protection relay Applications:
The SD2200 combined overcurrent and earth-fault relay is used where time graded overcurrent and earth fault protection is required.
Overcurrent earth-fault protection relay Technical Data:
Your Advantages with Sanda Electronic:
1) ISO 9001:2008 audited factory, Patented design
2) 12 years R&D and manufacturing experience for dehumidifier; Cabinet air conditioner; Protection relay; Digital Meter; Temperature and humidity controller etc
3) ODM and OEM are warmly welcomed
4) Quality guarantee, 1 years warranty
5) 7/24h service, better pre-sale and after-sale service.
6) Professional suggestions, help you realize your goals and boost your sustainable development.
SANDA Customers