Siemens SIRIUS 3RA2812-2DW10 Off-Delayed Electronic Timing Relay, 24-240V AC/DC, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RA2812-2DW10 is a high-performance, off-delayed electronic timing relay from the SIRIUS series, designed for versatile and reliable control applications. It features a broad time range of 0.05 to 100 seconds and operates on a wide voltage range from 24 to 240 V AC/DC, making it suitable for a variety of industrial environments. Its compact design allows for direct mounting onto SIRIUS 3RT201/3RT202 contactors and 3RH2 auxiliary contactors, saving space and simplifying installation. The integrated varistor provides superior protection by attenuating contactor coil surges, extending the lifespan of your equipment.

Benefit

• Space-Saving Design: The ability to snap directly onto contactors reduces the need for additional rail space, optimizing cabinet layout.
• Wide Application Range: The flexible 24-240V AC/DC voltage range and broad timing capabilities make it suitable for numerous control and automation tasks.
• Enhanced Equipment Protection: The built-in varistor protects sensitive components from voltage spikes, ensuring long-term reliability of your control system.
• Fast and Secure Connections: Spring-loaded terminals provide a vibration-proof and maintenance-free connection, ensuring reliable performance in harsh conditions.
• Simplified Installation: The 'snap-on' feature and intuitive design reduce installation time and complexity.

Function

The 3RA2812-2DW10 timing relay functions as an off-delayed timer with a control signal. Upon receiving a control signal, the relay output switches on. The output remains on even after the control signal is removed, for a user-defined time period (0.05-100 seconds). After this delay, the semiconductor output switches off. This functionality is ideal for applications where a delay in the de-energization of a circuit is required, such as in motor control, conveyor systems, or lighting applications. The semiconductor output offers fast switching and a long service life, especially in high-frequency switching operations.

Technical Specification

• Product Number: Siemens 3RA2812-2DW10
• Product Type: Electronic Timing Relay, Off-Delayed
• Time Range: 0.05 to 100 seconds
• Operating Voltage: 24 - 240 V AC/DC, 50/60 Hz
• Output: Semiconductor output
• Connection Type: Spring-loaded terminals
• Integrated Features: Varistor for contactor coil attenuation
• Mounting: Can be snapped onto the front of SIRIUS 3RT201 / 3RT202 contactors and 3RH2 auxiliary contactors.

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