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The Siemens 3RU1136-4DB0 is a thermal overload relay for motor protection with an adjustable trip range of 18–25 A. It is a 3-pole, Size S2, Class 10 device intended for contactor mounting and provides one normally open and one normally closed auxiliary contact. The relay is IEC rated, sensitive to phase loss and phase asymmetry, and supports manual or automatic reset for three-phase motor applications.
Adjustable 18–25 A Class 10 thermal overload, 3-pole Size S2 with 1NO+1NC for contactor mounting
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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