Single-Point Level Switch

Single-Point Level Switch
Details:
Switches: one
Contact capacity: Max.230V AC70VA, DC50W (or 24VDC 150mA)
Medium density: ρ≥0.5g/cm³
Process pressure: 0...4MPa
Guide tube: Φ 19mm standard (optional Φ 14mm)
Float: Φ 75mm standard (optional Φ 52mm)
Electrical connection: Hirschmann junction
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Specifications
Features
How it works
Applications

Specifications

 

Principle

Magnetically controlled reed contacts

Switches

1

Switch status

Normal open (NO), Normal closed (NC)

Float action

Upward control, Downward control

Contact capacity

Max.230V AC70VA, DC50W

(or 24VDC 150mA)

Medium density

ρ≥0.5g/cm³

Process temperature

Max.120℃

Process pressure

0...4MPa

(Depending on mounting type and float-type,material)

Wetted material

304, 316L, Titanium, PVC, PP, PVDF/PTFE

L max.

1500mm

Process connection

Flange, Thread, Bracket

Ambient temperature

-30...75℃

Guide tube

Φ 19mm standard (optional Φ 14mm)

Float

Φ 75mm standard (optional Φ 52mm)

Electrical connection

Hirschmann junction

Features

 

A Single-Point Level Switch is a level detection device used to monitor and control the presence of liquid at a specific location in a storage tank, container, or pipeline.

Precise Level Detection
Detects liquid levels accurately. The switch reacts instantly at the set point for reliable high or low level control in tanks and pipelines.

Multiple Sensing Options
Available with float, capacitive, conductivity, ultrasonic, and optical sensors to match different liquids.

Safety and Protection
Prevents overflow, dry pump operation, and low-level faults, keeping systems safe and efficient.

How It Works

 

A float switch is built with a hollow body that houses a switch or sensor, typically a reed switch with an internal magnet. The switch operates by opening or closing in response to gravity and the media level. Float switches can be calibrated to activate at specific setpoints, making them ideal for both high and low level signaling. When triggered, the switch sends a signal to a controller or relay, enabling automatic pump control, valve actuation, or alarm activation for efficient process management.

Applications

 

Normally Open (NO) Contacts are used in applications where control actions need to be triggered when the liquid level rises. For example, when the liquid level reaches or exceeds a set value, the pump needs to automatically stop, or an alarm system needs to be activated. In these applications, normally open switches can promptly signal when the liquid level rises, enabling appropriate control measures to be taken.

 

Normally Closed (NC) Contacts are used in applications where control actions need to be triggered when the liquid level falls. For example, when the liquid level falls below a set value, the pump needs to automatically start, or an alarm needs to be activated. In these applications, normally closed switches ensure timely signaling when the liquid level falls, enabling appropriate control measures to be taken.

 

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