350
Feeder Protection System
271
Distribution F
eeder Pr
ot
ection
Overview
The 350 relay is a member of the 3 Series
family of Multilin relays. This protective
device is used to perform primary circuit
protection on medium voltage feeders and
down stream protection for distribution
utilities.
The basic protection function of this relay
includes multiple phase, ground, and
neutral time and instantaneous overcurrent
elements for coordination with upstream
and downstream devices. Additionally, the
device provides essential feeder breaker
control features such as cold load pick up
blocking, breaker failure, and auto reclose.
The robust 350 streamlines user work
flow processes and simplifies engineering
tasks such as configuration, wiring, testing,
commissioning, and maintenance. This
cost-effective relay also offers enhanced
features such as diagnostics, preventative
maintenance, arc flash mitigation and
security.
Easy to Use and Configure
Easy to Use
Drawout Construction
The 350 offers a complete drawout
feature eliminating the need for rewiring
after testing has been concluded. The
withdrawable feature also eliminates the
need to open the switch gear door and
disconnect communication cables, eg.
Ethernet fiber, copper, RJ45, etc prior to
removing the relay from the chasis
Effortless Retrofit
The small and compact 350 enables
multiple relays to be mounted side by
side on medium voltage panels. It also
allows easy retrofit into existing S1 and S2
cutouts with adapter plates.
Easy to Configure
Fast & Simple Configuration
The 350 requires minimal settings for
configuring standard feeder protection
applications. The entire feeder protection
setup can be completed in one easy step.
Advanced
Communications
Easy integration into new or
existing infrastructure
With several Ethernet and serial port
options, and a variety of protocols, the
350 provides advanced and flexible
communication selections for new and
existing energy management, SCADA, and
DCS systems.
Easy to Configure- 1 simple step
Advanced & Flexible
Communication Options
Easy to Use- Draw out case
Diagnostic Alarms
Содержание Multilin 350
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