Siemens 3RA2813-1AW10 ON-Delay Solid-State Auxiliary Switch for 3RT2 & 3RH2 Contactors Original Brand New

Overview: Siemens 3RA2813-1AW10 Solid-State Time-Delayed Auxiliary Switch

The Siemens 3RA2813-1AW10 is a high-performance solid-state time-delayed auxiliary switch engineered to enhance the functionality of your industrial control systems. As a crucial component in automation and control panels, this ON-delay timer relay is designed for seamless integration with Siemens SIRIUS 3RT20 contactors and 3RH2 contactor relays.

Its compact, front-snappable design simplifies installation, saving valuable time and panel space. The 3RA2813-1AW10 ensures precise timing in your circuits, making it ideal for a wide range of applications from motor control to process automation.

Key Benefit

• Enhanced Circuit Control: Provides reliable ON-delay timing (0.05 to 100 seconds) for precise sequencing and control of industrial processes.
• Universal Voltage Compatibility: Operates on a wide voltage range of 24-240V AC/DC, offering flexibility and simplifying inventory management.
• Superior Protection: Features an integrated varistor to effectively attenuate contactor coil spikes, protecting sensitive electronic components and extending the lifespan of your equipment.
• Easy & Fast Installation: Designed for tool-free, front-mounting on 3RT20 and 3RH2 devices, reducing installation time and effort.
• Space-Saving Design: Its compact form factor helps optimize panel space, allowing for higher component density.
• Reliable Connections: Equipped with robust screw terminals for secure and durable electrical connections.

Function

The Siemens 3RA2813-1AW10 functions as an ON-delay timer. When the control voltage is applied to the main contactor (or contactor relay) it is attached to, this auxiliary switch begins its time-delayed operation. After the preset time has elapsed, its internal relay with one changeover contact (1 CO) will change state. This function is essential for applications where a delayed action is required, such as starting motors in sequence, controlling process valves, or activating signals after a specific time period.

Technical Specification

• Product Number: 3RA2813-1AW10
• Product Type: Solid-State Time-Delayed Auxiliary Switch
• Function: ON-delay (Time-delayed auxiliary switch)
• Relay Type: 1 CO (1 Changeover Contact)
• Time Range: 0.05 – 100 seconds
• Operating Voltage: 24-240 V AC/DC, 50/60 Hz
• Attenuation: Integrated varistor for contactor coil attenuation
• Terminals: Screw terminals
• Mounting: Can be snapped onto the front of Siemens 3RT20 contactors and 3RH2 contactor relays.

Application

The 3RA2813-1AW10 is a versatile component suitable for various industrial applications, including:

• Motor control and sequencing
• Automated machinery and robotics
• HVAC systems
• Pumping stations
• Conveyor systems
• Process control panels

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