Endress+Hauser FTL31-14L2/0, FTL31-AA4U3AAWSJ Vibrating Fork Level Switch
The Endress+Hauser Liquiphant FTL31-14L2/0 (Order Code: FTL31-AA4U3AAWSJ) is a highly reliable vibrating fork point level switch engineered specifically for liquid applications. Featuring a robust stainless steel housing and a precision fork-shaped sensing probe, it delivers accurate point level detection, overflow prevention, and dry-run protection regardless of changing fluid properties. The device is equipped with a DC-powered electronic insert and a transistor switching output, allowing for seamless integration into modern industrial control systems. Additionally, it is supplied with a separate angled plug connector (DIN 43650 / ISO 4400 style) to ensure straightforward, secure, and industry-standard electrical wiring. Compact and virtually maintenance-free, the FTL31 is an ideal, cost-effective solution for ensuring process safety and efficiency in a wide range of industrial environments.
Technical Specifications:
- Brand: Endress+Hauser
- Model: FTL31-14L2/0 (Order Code: FTL31-AA4U3AAWSJ)
- Product Family: Liquiphant FTL31
- Measuring Principle: Vibrating Fork (Point Level Switch)
- Application: Point level detection, overflow protection, and dry-run protection in liquids
- Housing Material: Stainless Steel
- Process Connection: Threaded
- Power Supply / Output: DC-powered electronic insert with transistor switching output
- Electrical Connection: Separate angled plug connector (DIN 43650 / ISO 4400 style)

| Brand | Endress+Hauser |
|---|---|
| Model | FTL31-14L2/0, FTL31-AA4U3AAWSJ |
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Shipping policy
If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
Our default shipping rate is $100, which is enough to cover the cost of most shipments, but it is not our expected shipping rate. Due to the varying weights and sizes of products and customer locations, please contact us with your location and the products you are interested in to get the best current shipping rates.
ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
Endress+Hauser FTL31-14L2/0, FTL31-AA4U3AAWSJ Vibrating Fork Level Switch
Shop the Endress+Hauser FTL31-14L2/0 (FTL31-AA4U3AAWSJ) Liquiphant vibrating fork level switch for reliable liquid point level detection, overflow prevention, and dry-run protection. This compact sensor features a durable stainless steel housing, threaded process connection, DC transistor output, and an ISO 4400 angled plug for easy installation in industrial automation systems.

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