NEMA Overload and Current Sensitive Relays

From general applications to special applications, Siemens offers a wide range of overload relays that provide superior motor protection. Overload relays are used to protect motors from excessive heat resulting from sustained motor overloads, rapid motor cycling, stalled rotor conditions and phase loss.



  • ESP200 Solid-State Overload Relays, Class 48, 958 and 958L

  • The ESP200 overload relay is so simple to configure

  • Thermal Overload Relays, Class 48



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