Product Description
TURCK MS 91-12-R Liquid Level Control Relay
The TURCK MS 91-12-R is a high-performance liquid level control relay designed for reliable monitoring and control of conductive fluids in industrial applications. This compact unit operates on a 24 VAC power supply and provides precise level detection through conductive probes. It features adjustable sensitivity ranges from 0.1 kΩ to 100 kΩ, allowing for compatibility with a wide variety of liquids. With user-adjustable dials for hysteresis and time delay (0.1s to 15s), the MS 91-12-R offers exceptional flexibility to prevent rapid switching and ensure stable process control. Its robust relay outputs are suitable for both AC and DC loads, making it a versatile solution for pump control, tank filling/draining, and high/low level alarms.
Technical Specifications:
- Model: MS 91-12-R
- Type: Conductive Liquid Level Control Relay
- Power Supply: 24 VAC, 50/60Hz
- Relay Output (AC): ≤ 250V, 4A (cos φ ≥ 0.7)
- Relay Output (DC): ≤ 60V, 0.5A
- Sensing Probe Voltage: 5V AC
- Sensitivity Range: Adjustable from 0.1 kΩ to 100 kΩ
- Time Delay: Adjustable from 0.1s to 15s
- Hysteresis: Adjustable

TURCK MS 91-12-R Liquid Level Control Relay
Shop the TURCK MS 91-12-R, a reliable 24 VAC conductive liquid level control relay. Features adjustable sensitivity, time delay, and robust relay outputs for precise fluid monitoring in industrial automation systems.






