3RU1126-1CB0
The 3RU1126-1CB0 is an older generation SIRIUS S0 chassis overload relay with a current adjustment range of 1.8~2.5A. It can be directly connected to 3RT1023~3RT1026 contactors, has a Class 10 tripping rating, and features three-phase phase loss protection. It is suitable for overload protection of small and medium-sized motor circuits.
Product Positioning
The 3RU1126-1CB0 is a Siemens SIRIUS series S0 housing-type overload relay with a current adjustment range of 1.8~2.5A. It can be directly connected to 3RT1023~3RT1026 contactors to form a complete motor protection circuit.
Core Product Advantages and Features
Precise current adjustment
The dial can be finely adjusted within the range of 1.8~2.5A to match the motor's rated current and set the overload protection point.
Three-phase phase loss protection
The trip unit will trip immediately if any phase current is abnormal or a phase is lost, preventing the motor from burning out due to operation with a missing phase.
Class 10 Breakthrough Level
It meets the IEC standard for 10-second trip rating, and its response speed is sufficient to protect general motor loads.
Manual/Automatic Reset Switch
It can switch between manual confirmation reset and automatic recovery operation according to on-site needs, offering high operational flexibility.
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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.
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3RU1116-1GB0
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