3RU1126-4BB0
The Siemens SIRIUS 3RU1126-4BB0 thermal overload relay features an S0 frame, Class 10 operating rating, and a current setting range of 14~20 amps. It can be directly mounted on 3RT1023~1026 series contactors and supports manual and automatic reset.
Product Positioning
The 3RU1126-4BB0 is a Siemens SIRIUS 3RU11 series S0 type frame thermal overload relay with a current setting range of 14~20 amps. It is suitable for use with 3RT1023~1026 contactors.
Core Product Advantages and Features
S0 type frame contactor assembly
It can be directly attached to contactors 3RT1023, 3RT1024, 3RT1025, and 3RT1026.
Class 10 protection level
Motor protection conforming to IEC standard tripping characteristics, suitable for general starting conditions.
Manual/Automatic Reset
After disconnection, manual or automatic reset can be selected according to production line needs.
Phase loss protection function
Real-time detection of three-phase current imbalance and phase loss reduces the risk of motor damage.
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3RU1126-4CB0
The Siemens SIRIUS 3RU1126-4CB0 thermal overload relay features an S0 frame, Class 10 operating class, a current setting range of 17~22 amps, and 1 NO + 1 NC auxiliary contact. It can be directly installed on 3RT1023~1026 series contactors.
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3RU1126-4AB0
The Siemens SIRIUS 3RU1126-4AB0 thermal overload relay features an S0 frame, Class 10 operating rating, and a current setting range of 11~16 amps. It can be directly mounted on 3RT1023~1026 series contactors and supports manual and automatic reset.
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3RU1126-1FB0
The Siemens SIRIUS 3RU1126-1FB0 thermal overload relay features an S0 frame, Class 10 operating class, and a current setting range of 3.5~5.0 amps. It is a low current setting model and can be directly installed on 3RT1023~1026 series contactors.