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GEMS SENSORS Inline Thermal-Dispersion Flow Switch - Inline Thermal-Dispersion Flow Switches
GEMS SENSORSInline Thermal-Dispersion Flow Switches

GEMS SENSORS Inline Thermal-Dispersion Flow Switch

The GEMS SENSORS Flow Switch is an inline thermal-dispersion flow switch with a fixed set point and SPST normally open switch position. It is rated for 45 mA at 30 V AC and 65 mA at 42 V DC (MPN 230500-1-20).

SKU 3G-OTH-88067

Also listed as: 230500120 · 230500 1 20

Brand
GEMS SENSORS
Item
Inline Thermal-Dispersion Flow Switch
Category
Inline Thermal-Dispersion Flow Switches
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

GEMS SENSORS
Manufacturer Part Number
230500-1-20
Type
SPST, Normally Open, Fixed, 45 mA @ 30V, 65 mA @ 42V
Switch Type
SPST
Set Point Type
Fixed
Switch Position
Normally Open
Contact Rating (AC)
45 mA @ 30V
Contact Rating (DC)
65 mA @ 42V

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GEMS SENSORS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GEMS SENSORS Flow Switch is an inline thermal-dispersion flow switch with a fixed set point and SPST normally open switch position. It is rated for 45 mA at 30 V AC and 65 mA at 42 V DC (MPN 230500-1-20).

Frequently Asked Questions

What is the GEMS SENSORS 230500-1-20 flow switch used for?

The GEMS SENSORS 230500-1-20 is an inline thermal-dispersion flow switch used to detect liquid or gas flow in industrial piping. It provides a fixed set point with SPST normally open output, suitable for process control, cooling systems, and pump protection where reliable flow verification is required.

What are the specifications of the GEMS SENSORS 230500-1-20 flow switch?

The GEMS SENSORS 230500-1-20 is a thermal-dispersion flow switch with SPST normally open contacts. It has a fixed set point and is rated 45 mA at 30 V AC and 65 mA at 42 V DC. The switch type is SPST, and the switch position is normally open. The manufacturer part number is 230500-1-20.

Where to buy the GEMS SENSORS 230500-1-20 flow switch worldwide?

You can source the GEMS SENSORS 230500-1-20 flow switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine GEMS SENSORS components for international procurement.

How to install a GEMS SENSORS thermal-dispersion flow switch?

Install the GEMS SENSORS thermal-dispersion flow switch inline in a clean, straight pipe section with full flow. Ensure the sensing tip is fully immersed and oriented per the manufacturer's guidelines. Wire the SPST normally open contacts to your control circuit per the rated 45 mA at 30 V AC or 65 mA at 42 V DC. Verify flow direction before commissioning.

Used in

Common applications for GEMS SENSORS
Burner management — GEMS SENSORS FS-4 piston flow switch for monitoring cooling water flow in industrial burners
Pump protection — GEMS SENSORS FS-380 high-pressure flow switch to detect loss of flow in pump systems
Process control — GEMS SENSORS 230500 thermal-dispersion flow switch for low-flow detection in chemical processes
Cooling systems — GEMS SENSORS RFS flow sight with remote output for visual and electrical flow indication in heat exchangers
Water treatment — GEMS SENSORS FT-110 turbine flow sensor for measuring flow rates in filtration systems
Hydraulic systems — GEMS SENSORS FS-500 polypropylene piston flow switch for corrosive fluid monitoring in hydraulic circuits

GEMS SENSORS Products

3G Electric supplies GEMS SENSORS inline thermal-dispersion flow switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This liquid flow switch detects flow or no-flow conditions in piping systems and provides a remote SPDT electrical output. It features a 3/4 in FNPT connection, normally closed switch position, and ceramic wetted material. Rated for -20°F to 212°F and UL Listed, it is used for pump protection, cooling systems, and process control

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This inline thermal-dispersion flow switch detects liquid or gas flow in pipelines using thermal-dispersion technology. It features a fixed set point and SPST normally open switch position. Contact rating is 45 mA at 30V AC and 65 mA at 42V DC. Used in industrial process control, HVAC, and water treatment systems to confirm flow or no-flow conditions
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This inline thermal-dispersion flow switch detects liquid or gas flow in industrial piping. It features a fixed set point and SPST normally open contacts, with contact ratings of 45 mA at 30V AC and 65 mA at 42V DC. Suitable for pump protection, cooling systems, and process monitoring requiring flow/no-flow indication
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