Ground Fault Sensor
(Read Bulletin 818)
Elliott Control Ground Fault Sensor is optionally included in Type 211, 230, and 230-PM controllers on 2400V and 4160V systems.
Overload Relay Heater & Current Transformer Selections
(Read Bulletin 9-31660)
Bulletin 9-31660 describes the thermal overload relay usually included in the Type 211, 230, and 230-PM controllers and tabulates the heater and current transformer selections.
Square D Solid-State Overload Relay in Elliott Controllers
(Read Bulletin 9-32730)
Bulletin 9-32730 describes the Square D Class 9065 Solid-state Overload Relay optionally included in Type 211, 230, 230-PM controllers. The bulletin discusses trip functions and dial settings, then tabulates applications for various current transformer selections and full load amps. Portions of this bulletin are extracted or paraphrased from Square D literature.
Trip-Current Curve Square D Solid-State Overload Relay
(Read Bulletin 9-32730-TC1)
Bulletin 9-32730-TC1 plots Overload Trip Time (vs) Current Curve Trip Class 10.