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THR | TKK Corporation


Thermal Overload Relays (THR)

Plentiful Products Anable Easy Selection of Motor Protection

Category (Frame) Standard reley with overload protection(IE1) Reley with overload and single phasing protection(IE2)
12B applicable applicable
20B applicable applicable
25B applicable applicable
50B applicable applicable
80B applicable applicable
150B applicable applicable
250B applicable applicable
400B applicable applicable
600B applicable applicable

Number of Heat Elements

  • 1E is normally 2 heat element
  • 2E is normally 3 heat element

Type and Model

Note: -□ is 1E or 2E