Eaton ETR4-11-W Electronic Time Relay, On-Delay, 1 CO Contact, 24-240 V AC/DC, 0.05 s-100 h, DIN Rail 031883

Electronic time relay with on-delay function, offering precise timing control from 0.05 seconds to 100 hours across seven selectable ranges. Its universal control voltage of 24-240 V AC/DC and compact 17.5 mm DIN rail housing make it suitable for a wide range of industrial automation tasks.

Advantages

The ETR4-11-W delivers reliable timing accuracy with ±0.5% repeatability and ±5% setting accuracy, ensuring consistent operation in critical processes. The wide voltage range eliminates the need for multiple relay variants, reducing inventory and simplifying design. LED indicators provide clear status feedback for supply voltage and relay state, aiding quick diagnostics. Screw terminals allow secure and straightforward wiring, while the IP40/IP20 protection ratings ensure durability in control cabinets.

Suitable for

• Delayed start of motors, pumps, and fans to avoid inrush currents
• Sequential control in conveyor systems and packaging machines
• Lighting control with delayed switch-off for energy saving
• HVAC systems requiring time-based operation of dampers and valves
• General industrial automation where reliable timing functions are needed

Key specifications

• Function: On-delay (pick-up delayed)
• Contact configuration: 1 changeover (SPDT)
• Control voltage: 24-240 V AC, 50/60 Hz; 24-240 V DC
• Time ranges: 0.05 s - 100 h (7 selectable ranges)
• Output rating: 3 A @ 250 V AC (AC-15), 3 A @ 24 V DC (DC-13)
• Mounting: DIN rail, width 17.5 mm (1 module)
• Connection: Screw terminals
• Operating temperature: -25 to +60 °C
• Protection: IP40 (housing), IP20 (terminals)
• LED indication: Supply voltage and relay status

Recommendations

For reliable timing in industrial control panels, the ETR4-11-W is an excellent choice. Its universal voltage and compact design simplify installation, while the precise timing ensures consistent performance. Consider pairing with a suitable socket or direct DIN rail mounting for efficient use.