3RU2126-4EB1
The Siemens SIRIUS 3RU2126-4EB1 thermal overload relay features an S0 frame, a current adjustment range of 27 to 32 amps, screw terminals, and independent mounting. It can be individually fixed according to the space requirements of the distribution panel and is a non-contact wall-mounted model.
Product Positioning
The Siemens SIRIUS 3RU2126-4EB1 has an adjustment range of 27 to 32 amps. It uses standard screw terminals but is designed for independent mounting. It is not directly mounted on the contactor and can be easily fixed to the distribution panel.
Core Product Advantages and Features
Independent installation with flexible configuration
It is not limited by the front position of the contactor and can be fixedly installed separately according to the space of the control panel.
27-32A current setting
The knob can be adjusted from 27 to 32 amps, corresponding to three-phase motors with similar wattage.
Standard screw terminals
Both the main circuit and the auxiliary circuit use screw terminals, following general wiring practices.
1NO+1NC auxiliary contact
It provides a trip signal output, which can be connected in series with indicator lights or PLC monitoring circuits.
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3RU2126-4EC1
The Siemens SIRIUS 3RU2126-4EC1 thermal overload relay features an S0 frame, a current adjustment range of 27 to 32 amps, spring-loaded screwless terminals, and independent mounting, eliminating the need for direct mounting to the contactor and enabling quick wiring.
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3RU2126-4EB0
The Siemens SIRIUS 3RU2126-4EB0 thermal overload relay features an S0 frame, a current adjustment range of 27 to 32 amps, screw terminals for direct mounting to the contactor, and built-in 1NO+1NC auxiliary contacts, providing protection for approximately 15 kW three-phase motors.
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3RU2126-4DB1
The Siemens SIRIUS 3RU2126-4DB1 thermal overload relay features an S0 frame, a current adjustment range of 20 to 25 amps, screw terminals, and independent mounting. It is not directly mounted on the contactor and is suitable for separate fixed installation within a distribution panel.