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.
Product Positioning
The 3RU1126-1FB0 is a Siemens SIRIUS 3RU11 series S0 type frame thermal overload relay with a current setting range of 3.5~5.0 amps. It is a low current setting model and is suitable for small three-phase motor circuits.
Core Product Advantages and Features
Low current fine setting
With a setting range of 3.5 to 5.0 amps, it is suitable for precise overload protection of small-power motors.
S0 type frame contactor assembly
It can be directly attached to contactors 3RT1023, 3RT1024, 3RT1025, and 3RT1026.
Class 10 protection level
Compliant with IEC standard trip characteristics, while also ensuring starting stability for small motors.
Phase loss protection function
Real-time detection of current imbalance and phase loss prevents damage to small motors from single-phase operation.
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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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3RU1126-1DB0
The Siemens SIRIUS 3RU1126-1DB0 thermal overload relay features an S0 frame, Class 10 operating rating, and a current setting range of 2.2~3.2 amps. It is a low current setting model and can be directly installed on 3RT1023~1026 series contactors.
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3RU1126-1CD0
The Siemens SIRIUS 3RU1126-1CD0 thermal overload relay features an S0 frame, Class 10 operating rating, and a current setting range of 1.8~2.5 amps. The main circuit uses screw terminals, while the auxiliary circuit uses spring terminals, which differs from the B0 terminal models in the same series.