3RA2815-1FW10
The 3RA2815-1FW10 is a solid-state delay auxiliary switch that provides power-off delay without requiring an external control voltage. It features 1NC and 1NO contacts, a screw-type terminal design, dimensions of 38x45x74mm, IP20 protection rating, and is suitable for front-mounted mounting on SIRIUS 3RT2 S00 to S3 contactors and 3RH2 contactor relays.
Product Positioning
The 3RA2815-1FW10 is the screw terminal version of the Siemens SIRIUS 3RA28 series solid-state delay auxiliary switch. It has the same function as the 3RA2815-2FW10, which is power-off delay and does not require an external control voltage. It is suitable for control panel designs that prefer traditional screw-locked wiring.
Core Product Advantages and Features
Power-off delay does not require voltage control
While delaying the output contact action, there is no need to configure an additional control power supply circuit.
Screw terminals
The wiring adopts the traditional screw locking method, which is suitable for the construction habits of those who are accustomed to using screw terminals.
1NC plus 1NO dual contact
It provides two sets of outputs, normally closed and normally open, which can be flexibly selected according to the control logic.
IP20 protection rating
It has basic dust protection and is suitable for installation in general control panel environments.
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3RA2815-2FW10
The 3RA2815-2FW10 is a solid-state delay auxiliary switch that provides a power-off delay without requiring an external control voltage. It features 1 NC and 1 NO contact, spring-loaded terminals, a control voltage of 24 to 240V AC/DC, a delay range of 0.05 to 100 seconds, and can be used with SIRIUS 3RT2 S00 to S3 contactors and 3RH2 contactor relays.
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3RA2814-1AW10
The 3RA2814-1AW10 is a solid-state time-delay auxiliary switch that provides a power-off delay and requires an additional control voltage. It features a single set of switching contacts (1CO), screw-type terminals, a delay range of 0.05 to 100 seconds, and is compatible with SIRIUS 3RT2 contactors of various sizes and 3RH2 contactor relays. It also includes a built-in surge suppressor.
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3RA2813-2FW10
The 3RA2813-2FW10 is a time-delay solid-state auxiliary switch with 1NC and 1NO contacts, spring-loaded terminal design, a delay range of 0.05 to 100 seconds, and a control voltage of 24 to 240V AC/DC. It can be mounted in front of SIRIUS 3RT2 S00 to S3 contactors and 3RH2 contactor relays.