Mechanical installation
2 750/760 Quick Reference Guide
Monitoring and control function summary
MECHANICAL INSTALLATION
Drawout case
The 750/760 is packaged in the standard GE Multilin SR-series arrangement, which consists
of a drawout relay and a companion case. The case provides mechanical protection for the
drawout portion and is used to make permanent electrical connections to external
equipment. Where required, case connectors are fitted with mechanisms, such as
automatic CT shorting, to allow the safe removal of the relay from an energized panel.
There are no electronic components in the case.
Figure 1: Case dimensions
ANSI Description
25 Synchrocheck
50 Phase/neutral current level
55 Power factor
79 Autoreclose (760 only)
81 Overfrequency
Breaker open/close
Manual close feature blocking
Cold load pickup feature blocking
Breaker operation failure
Trip/Close circuit failure
Total breaker arcing current
VT failure
Demand (current, real power, reactive power, apparent power)
Analog input
Event recording
Analog output
Fault locator
Trip counter
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