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Dwyer V4-2-U Inline Hazardous-Location Switch for Liquids - Inline Hazardous-Location Switches for Liquids
DwyerInline Hazardous-Location Switches for Liquids

Dwyer V4-2-U Inline Hazardous-Location Switch for Liquids

<p>The Dwyer V4-2-U is an inline hazardous-location switch designed for liquid applications where safety and reliability are paramount. This brass unit features a 1 1/2 inch NPT connection and is compatible with 3/4…

SKU 3G-OTH-88799

Also listed as: V42U · V4 2 U

Brand
Dwyer
Item
V4-2-U Inline Hazardous-Location Switch for Liquids
Part Number
V4-2-U
Category
Inline Hazardous-Location Switches for Liquids
Available to Order
Also known as:V4-2-UDwyer
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Technical specs
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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

Dwyer
Manufacturer Part Number
V4-2-U
Type
Brass
NPT
1 1/2 in
For Pipe Size
3/4 in Female NPT
Contact Rating (AC)
10 A @ 125/250V AC
Contact Rating (DC)
3 A @ 30V DC (Inductive)
Female NPT For Pipe Size
3/4 in

Technical Documents

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

Product Description

<p>The Dwyer V4-2-U is an inline hazardous-location switch designed for liquid applications where safety and reliability are paramount. This brass unit features a 1 1/2 inch NPT connection and is compatible with 3/4 inch female NPT pipe sizes. It offers a contact rating of 10 A at 125/250V AC and 3 A at 30V DC (inductive), making it suitable for various industrial control circuits.</p><p>Ideal for use in oil, gas, chemical, and processing industries, this switch ensures dependable performance in demanding environments. As a Singapore-based supplier, 3G Electric provides SGD quotes on request, handles GST for local buyers, and offers fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the electrical contact ratings for the Dwyer V4-2-U?

The Dwyer V4-2-U has a contact rating of 10 A at 125/250V AC and 3 A at 30V DC (inductive).

What pipe size is the Dwyer V4-2-U compatible with?

The Dwyer V4-2-U has a 1 1/2 inch NPT connection and is designed for use with 3/4 inch female NPT pipe sizes.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management
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Dwyer Products

3G Electric supplies Dwyer inline hazardous-location switches for liquids. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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