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Comprehensive
Overcurrent Protection
with Optional Front & Rear Communications |
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SEL-551C Overcurrent/Reclosing Relay |
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The
SEL Terminal Adapter (C675) is included
when ordering the SEL-551C with the EIA-485 rear
port option. The terminal adapter with quick
connector makes connecting EIA-485 communication
leads fast and easy.
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Features
and Benefits |
- Complete
Overcurrent Protection
Protect
lines and equipment using a sensitive
and secure mix of phase, negative-sequence,
and ground overcurrent elements.
Provide high-speed operation, even
with severe CT saturation, using
the SEL Adaptive Overcurrent Element.
- Multiple-Shot
Reclosing With Sequence Coordination
Program
up to a four-shot reclose sequence with reclose initiate
supervision, skip shot, and stall open interval timing.
- Integration
Integrate
into industrial protection and control schemes with Modbus® RTU
protocol. Order the rear serial communications port as
either EIA-232 or EIA-485. Optional front EIA-232 port
allows easy connection even while using EIA-485 on the
rear port.
- Field-Proven
Hardware With Optional Features
The
six inputs and three outputs are fully programmable to
meet your application needs. A wide operating temperature
range (–40° to +85°C) allows for installation
in a control house or outdoor enclosure.
- Advanced
Programmable Logic and Local/Remote Controls
Configure
traditional or advanced protection and control schemes.
Use edge-triggers or latches within the SELOGIC® control equations for advanced control.
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For
more information about the SEL-551C Relay and other industrial
power system solutions, contact Marketing@SELIndustrial.com
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