ABB 1SVR011718R2500 – Multifunction Time Relay
Product Overview
The ABB 1SVR011718R2500 is a compact and reliable multifunction time relay designed for precise timing control in industrial automation and electrical control circuits. It belongs to ABB’s trusted control relay portfolio and is engineered to deliver stable performance for timing, sequencing, and delay functions in both simple and complex systems. Thanks to its flexible configuration and robust design, this relay is widely used in control panels, machinery automation, and power-related applications.
Key Advantages
Multiple timing functions in one device, reducing the need for multiple relays
High timing accuracy and repeatability, suitable for critical control tasks
Wide operating voltage range, simplifying system design
Compact housing, ideal for space-limited control cabinets
Clear front adjustment interface, enabling fast parameter setting
Industrial-grade reliability, designed for continuous operation

Technical Characteristics
Product Code: 1SVR011718R2500
Device Type: Multifunction time relay
Timing Functions: On-delay, off-delay, interval, pulse, and cyclic timing (function set version-dependent)
Time Setting Range: Multiple selectable ranges from milliseconds to hours
Control Voltage: Wide-range AC/DC auxiliary supply (typically 24–240 V AC/DC)
Output Contacts: Relay output contacts for control and signaling
Indication: LED status indicators for power and relay state
Mounting Method: DIN rail mounting (EN 60715)
Operating Temperature: Approximately –20°C to +55°C
Standards: IEC control relay standards, CE compliance
Internal Design & Composition
The ABB 1SVR011718R2500 is designed with a practical and service-friendly internal layout:
Timing control circuitry driven by a stable electronic oscillator
Micro-electronic logic unit ensuring accurate time calculations
Output relay module providing reliable switching performance
Front-mounted selectors and potentiometers for time range and function adjustment
Protective enclosure offering insulation, EMC resistance, and mechanical protection
This construction ensures consistent timing behavior even in electrically noisy environments.

Typical Applications
This time relay is commonly applied in:
Industrial automation control panels
Motor start/stop delay circuits
Lighting and ventilation control systems
Conveyor and material-handling systems
Power distribution and auxiliary control circuits
OEM machinery and equipment manufacturing
Its multifunction nature allows it to replace several single-function relays, improving system efficiency.
Installation Recommendations
Mount securely on a standard DIN rail inside a control cabinet.
Verify the auxiliary supply voltage matches the relay rating before energizing.
Use clearly labeled wiring to simplify commissioning and troubleshooting.
Allow sufficient spacing around the relay for heat dissipation.
After installation, test timing functions under real operating conditions.

Maintenance & Usage Tips
Periodically check terminal tightness, especially in vibration-prone installations.
Observe LED indicators during operation to confirm correct timing behavior.
Keep the relay free from dust and moisture to ensure long service life.
Recheck time settings during routine maintenance or system modifications.
Replace only with ABB-approved equivalents to maintain system reliability.
Additional Information
The ABB 1SVR011718R2500 offers a dependable and flexible timing solution for modern automation systems. When combined with ABB contactors, PLCs, and control accessories, it contributes to stable operation, simplified wiring, and long-term system performance.