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Siemens 7SR1002 microprocessor-based protection relay for non-directional overcurrent, with integrated monitoring, USB interface and configurable functions for medium voltage systems.
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THE Siemens 7SR1002 It is a microprocessor-based digital protection relay, suitable for non-directional overcurrent protection in medium-voltage systems, such as feeders and transformers. Its robust design offers advanced features including circuit breaker monitoring, fault logging, programmable logic, and visual diagnostics via LEDs.
Main features:
Protection: Instantaneous and time-delayed overcurrent, non-directional (ANSI 50/51)
Inputs: Compatible with 1 A or 5 A current transformers (CT)
Auxiliary voltage: 60 to 240 V AC/DC
Digital inputs and outputs: 3 configurable inputs and 3 outputs for commands and signals
Interface: USB port for local configuration and communication
Indicators: 10 LEDs for system status and diagnostics
Additional functions: Circuit breaker failure monitoring, event logging, switching statistics, two sets of configurable parameters
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