Maico Run-on Timer Relay NRS 10 (0157.0805)

The Maico NRS 10 is a flush-mounted run-on timer relay designed for ventilation control and fan run-on applications. It provides a steplessly adjustable time delay from 1 to 17 minutes, ensuring efficient operation of exhaust fans in bathrooms, kitchens, and other areas. The relay switches a connected fan off after a preset time, allowing residual moisture or odors to be extracted.

Advantages

Stepless time adjustment via potentiometer for precise control; compact flush-mounted design for discreet installation; reliable switching capacity up to 10 A; low power consumption of approx. 1.5 W; suitable for standard flush-mounted boxes.

Suitable for

• Controlling ventilation fans in residential and commercial buildings
• Bathroom and kitchen exhaust fan run-on delay
• Automated ventilation systems requiring adjustable off-delay

Key specifications

• Supply voltage: 230 V AC, 50/60 Hz
• Switching contact: 1 NO (Normally Open)
• Max. switching current: 10 A
• Max. switching voltage: 250 V AC
• Time delay range: 1 - 17 minutes, steplessly adjustable
• Power consumption: approx. 1.5 W
• Mounting: flush-mounted (for standard flush-mounted boxes)
• Protection class: IP20
• Connection: screw terminals
• Operating temperature: 0 to +40 °C
• Housing material: plastic

Recommendations

For optimal performance, install the NRS 10 in a standard flush-mounted box and connect according to the wiring diagram. Ensure the fan load does not exceed the relay's rated switching capacity. The stepless time adjustment allows fine-tuning to match specific ventilation requirements.