ABB 1SVR011718R2500 Multi-function Timer Relay

The ABB 1SVR011718R2500 is a versatile electronic timer relay from ABB’s REX-C series, designed for precision timing control in industrial applications. This compact yet powerful device combines multiple timing functions in a single unit, offering exceptional flexibility for automation systems.

As part of ABB’s comprehensive control components portfolio, the 1SVR011718R2500 provides reliable timing solutions with its 24V AC/DC operating voltage range and robust construction. The timer features an intuitive interface with a clear LED display and simple rotary switch programming, making it suitable for both simple timing tasks and complex control sequences in demanding industrial environments.

Technical Specifications Table

Core Advantages and Technical Highlights

Multi-function capability: The ABB 1SVR011718R2500 offers 15+ timing functions including On-delay, Off-delay, Interval, Pulse, and Star-delta changeover. This versatility eliminates the need for multiple specialized timers, reducing inventory costs and panel space requirements.

Precision timing: With accuracy of ±0.5% and resolution down to 0.01s for short durations, the relay ensures precise control for time-critical applications. The device maintains excellent repeatability (±0.1%) for consistent operation over thousands of cycles.

Robust design: Engineered for industrial environments, the 1SVR011718R2500 features 4kV surge protection, vibration-resistant construction, and wide operating temperature range (-20°C to +55°C). The relay’s solid-state design provides reliable operation with over 100,000 mechanical endurance cycles.

User-friendly operation: The clear 4-digit LED display and status LEDs provide instant feedback, while the rotary switch and pushbutton interface simplifies programming. The universal power supply (24V AC/DC) eliminates the need for separate AC and DC models.

Typical Application Scenarios

Industrial automation: The ABB 1SVR011718R2500 is ideal for machine cycle timing, conveyor sequencing, and safety door delays in manufacturing facilities. Its precise timing ensures synchronized operation of production equipment.

Building management: In commercial buildings, the relay controls lighting sequences, HVAC system timing, and elevator door operations. The multiple timing functions allow customization for various building automation needs.

Process control: The timer manages batch processing sequences, mixing operations, and valve control in chemical and food processing plants. Its robust construction withstands harsh industrial environments.

Energy management: Facilities use the 1SVR011718R2500 for equipment run-time limiting, peak demand control, and generator auto-transfer sequences, contributing to energy efficiency.

Installation Commissioning and Maintenance Instructions

Installation preparation: Mount the ABB 1SVR011718R2500 on standard 35mm DIN rail, ensuring minimum 10mm clearance above and below. Verify the power supply matches the 24V AC/DC specification before connection.

Maintenance suggestions: Perform annual visual inspections for signs of overheating or damage. Verify timing accuracy every two years using calibrated equipment. Keep the display and ventilation slots clean from dust accumulation. Replace the unit after 10 years of continuous service or 100,000 operations.

Service and Guarantee Commitment

ABB provides a 36-month warranty for the 1SVR011718R2500, covering manufacturing defects. The product is supported by ABB’s global service network with 10-year spare parts availability. Technical support includes online resources, application guides, and access to ABB’s engineering expertise for complex timing applications. Firmware updates and configuration assistance are available through ABB’s customer portal.