Need More Details?
If you’d like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.

The Wago 857-400 Configurable Isolating Amplifier is a versatile and dependable solution from Wago, designed for industrial automation applications. This amplifier, part of the Wago Kontakmechnik Gmbh & Co., Kg Jumpflex Series 857, provides reliable signal conversion and isolation, crucial for protecting sensitive components. It's perfect for engineers and technicians who need precise signal handling in demanding environments.
This amplifier is designed to operate in a wide range of conditions, with a supply voltage of 16.8 to 32.2V DC and an ambient temperature range of -25 to +70°C, and is built to withstand harsh environments. The Wago 857-400 is certified for use in hazardous locations with a Class I Div 2 Group A-D rating, making it suitable for challenging industrial settings.
Key Features:
Specifications:
The Wago 857-400 features a supply voltage of 24V DC and AWG 28-14 wiring for reliable connections. The operational temperature code of T6 ensures safe and efficient performance. The maximum surrounding temperature is 70°C.
The Wago 857-400 Configurable Isolating Amplifier offers exceptional performance for your industrial automation needs. Whether you require precise signal conversion or reliable isolation, this amplifier delivers consistent results. Trust in the quality and reliability of Wago products for your automation projects. For any inquiries, please contact us at info@ramautomations.com. Ram Automations.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.