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EATON C441 Series Motor Protection Overload Relay Transformer Kits

Eaton C441 Series relay transformer kits are designed for use with C441 Motor Insight motor protection relays.

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EATON C441CTKIT300A
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C441CTKIT300		£1,285.14
RFQ
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C441CTKIT150		£1,040.92
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C441CTKIT600		£1,491.31
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Features

  • External control transformer kits reduce supply voltages to control circuits and provide greater safety to users.
  • These transformers isolate the control circuits from power and lighting circuits and accommodate the momentary current inrush caused when electromagnetic components are energised without sacrificing secondary voltage stability.
  • Motor Insight is an advanced motor protective relay with numerous characteristics, including thermal motor overload, intuitive user interface, supply & load protection, configurable ground fault detection and optional communications.

Frequently Asked Questions

What is thermal overload motor protection?

The overload relay features thermal protection to prevent motor damage from overload conditions. The unit has two reset modes (manual and automatic) and cannot be restarted until the thermal capacity in the motor is low enough for a successful restart.

What is a jam?

Jam is a condition in which the motor draws more current, above normal operating conditions. As a result, the motor attempts to drive the load, which has more resistive force due to mechanical interference. To drive the load, the motor draws an abnormal amount of current, leading to insulation breakdown and system failure. Motor Insight relay protection provides a configurable jam setting that is active during the 'motor run state' to prevent nuisance trips.

What is a ground fault?

Ground fault is a current leakage path to the ground that can burn through multiple insulation windings, leading to motor failure.

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