SMPR-155E | Orion Italia SMPR-155E | Rơ le bảo vệ SMPR-155E | Orion Italia-Vietnam
The SMPR has been designed to measure the line and the ground RMS currents and supply RMS voltages under normal conditions or under disturbances.
This information is internally processed by the microprocessor, to take the protection actions defined by the user under ANSI, IAC or IEC standards. The operational conditions of the breaker or disconnector are also signaled.
Features
- CT primary ratio selectable in 5 A steps (5 to 6000 A)
- Touchpad programming
- 1 trip relay
- 3 auxiliary relays that can be associated to the various functions
- Power loss or internal fault control relay
- 3 programmable Digital inputs and 1 Digital input for breaker status
- Breaker operation failure alarm on trip command
Applications
- Primary and backup protection for utility feeder, power plants and industrial distribution systems
- Protection of transformers, overhead lines, cables and generators
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