Description
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:
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Protection: Instantaneous and time-delayed overcurrent, non-directional (ANSI 50/51)
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Inputs: Compatible with 1 A or 5 A current transformers (CT)
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Auxiliary voltage: 60 to 240 V AC/DC
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Digital inputs and outputs: 3 configurable inputs and 3 outputs for commands and signals
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Interface: USB port for local configuration and communication
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Indicators: 10 LEDs for system status and diagnostics
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Additional functions: Circuit breaker failure monitoring, event logging, switching statistics, two sets of configurable parameters
