3RU2136-4JB0
The Siemens SIRIUS 3RU2136-4JB0 is an S2-size thermal overload relay with a current range of 54 to 65 A. It can be directly connected to the 3RT203 series contactor, meets Class 10 tripping rating, and features manual/automatic reset switching.
Product Positioning
The Siemens SIRIUS 3RU2136-4JB0 is an S2-size thermal overload relay with a current adjustment range of 54 to 65A. It can be directly connected to the SIRIUS 3RT203 series contactor to form an integrated start-up protection unit.
Core Product Advantages and Features
Direct mounting
It can be directly mounted on SIRIUS 3RT203 series contactors, saving control panel wiring space.
54-65A current range
The knob scale can be precisely set to the trip value according to the actual rated current of the motor.
Class 10 Escape Feature
It conforms to the IEC 60947-4-1 thermal operation curve, protecting the motor from overload damage.
Manual/Automatic Reset
It can switch between manual and automatic reset modes according to production line needs, offering high operational flexibility.
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3RU2136-4JB1
The Siemens SIRIUS 3RU2136-4JB1 is an S2-size thermal overload relay with a current range of 54 to 65 A. Its stand-alone design allows for independent configuration on a control panel and is suitable for distributed wiring configurations.
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3RU2136-4HB1
The Siemens SIRIUS 3RU2136-4HB1 is an S2-size thermal overload relay with a current range of 40 to 50 A. Its stand-alone design eliminates the need for direct contactor mounting, making it suitable for control panel layouts with separate wiring.
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3RU2136-4HB0
The 3RU2136-4HB0 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series. It has a current setting range of 40...50A, is installed by direct contactor mounting, and has 1 NO + 1 NC auxiliary contacts. It is suitable for overload protection applications of medium and large three-phase motors.