1.4
SEL-311C Relay Instruction Manual Date Code 20060320
Introduction & Specifications
AC/DC Connections
AC/DC Connections
See Specifications on page 1.10 and Section 2: Installation for more
information on hardware and connections.
Dual Terminal Labels
For installation in systems with drawings designed for SEL-221 relays, use the
numeric terminal labels.
Section 14: Application Settings for SEL-221 Series Relays describes how to
easily set the SEL-311C to emulate the popular SEL-221 relays.
For installation in systems with drawings designed for SEL-311C relays, use
the alphanumeric terminal labels.
See Figure 2.2 through Figure 2.11 for rear-panel drawings.