SKU: 10398763308

Yokogawa SNT401-53/CU1N Optical Repeater | ESB Bus

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Description

Yokogawa SNT401-53/CU1N Optical Repeater | ESB BusYokogawa SNT401 53 CU1N: Extend Your ESB Bus Network with Optical Power Expand your control system reach with the Yokogawa SNT401 53 CU1N. This optical repeater master module boosts your ESB Bus signal. It allows for long distance communication up to 10 km. The included CU1N connector unit makes setup simple. The Yokogawa SNT401 53 CU1N works reliably in tough industrial temperatures. Why Choose This Repeater Module? Long Distance Reach: Connect

Yokogawa SNT401-53/CU1N: Extend Your ESB Bus Network with Optical Power

Expand your control system reach with the Yokogawa SNT401-53/CU1N. This optical repeater master module boosts your ESB Bus signal. It allows for long-distance communication up to 10 km. The included CU1N connector unit makes setup simple. The Yokogawa SNT401-53/CU1N works reliably in tough industrial temperatures.

Why Choose This Repeater Module?

  • Long-Distance Reach: Connect devices up to 10 kilometers away with clear optical signals.
  • Flexible Wiring: Supports both star and chain network layouts for easy design.
  • Industrial Tough: Built to operate from -20°C to 70°C, meeting ISA G3 standards.
  • Multi-Stage Support: Connect up to two stages for greater network expansion.
  • Complete Kit: Includes the essential CU1N connector unit for immediate installation.

Complete Product Specifications

Brand & Full Model: Yokogawa SNT401-53/CU1N Optical ESB Bus Repeater Master Module

Function: ESB Bus Optical Signal Repeater & Master

Suffix Code: -5 (No Explosion Proof), -3 (ISA G3, -20 to 70°C)

Included Unit: CU1N Connector Unit for ESB Bus

Connection Methods: Star Type, Chain Type, or Both

Max Connection Stages: 2 Stages

Max Transmission Distance: 5 km (Standard), Up to 10 km (with Vnet/IP R1.03+)

Optical Cable Type: ESB Bus Compatible Optical Fiber

Signal Regeneration: Yes, for noise-free long-distance data.

Current Consumption: 0.5 A

Power Supply: From system rack backplane.

Operating Temperature: -20°C to +70°C

Weight: Approximately 0.3 kg

Common Questions Answered (FAQ)

What is the main job of this module?

It strengthens and extends the ESB Bus optical signal so your network can cover much longer distances without errors.

How far can my network go with it?

You can achieve up to 5 km normally. With a compatible Vnet/IP system, total distance can reach 10 km using two stages.

Do I need to buy a separate connector?

No. The package includes the necessary CU1N connector unit, so you have everything to start.

Can I mix different wiring layouts?

Yes. It supports both star (central hub) and chain (daisy-chain) connections, giving you design freedom.

Is it suitable for outdoor or harsh plants?

Absolutely. Its wide temperature rating and industrial-grade build make it perfect for demanding environments.

Package Contents

You will receive: 1 Yokogawa SNT401-53 Repeater Master Module, 1 CU1N Connector Unit, and relevant documentation.

Warranty & Fast Shipping

Shop with confidence. This product is covered by a full 12-month warranty. We deliver quickly worldwide using FedEx, UPS, or DHL for your convenience.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 10398763308

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4.2 ★★★★★
Based on 8 reviews
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Verified Purchase
Elle Tee
Cuba, US
★★★★★ 5
Good milk frother, drink mixer
Color: Silver
I use this every day to mix my morning protein drink. Love that it's rechargeable. And it doesn't take long to recharge. Be advised that it has 3 speeds, so when you think you're turning it off, it's actually going faster and can splatter your drink. I've learned to mix on 2, then quickly push button to 3 and then off. The speeds aren't that much different, imo, so could have one speed "on', and then 'off'.
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Reviewed in the United States on May 21, 2026
J
Verified Purchase
jounna.zei
Grantham, US
★★★★★ 1
Do not buy
Color: Silver
The worst frother i've ever used. You can't even turn it off without having to go through all the different modes, meaning you will get absolutely splashed and have to clean all the little droplets of whatever you were frothing. The power is weak. The battery did last a long time, I'll give them that. 3 months ON THE DAY the frother stopped working. A very loud noise and decreased power made it unusable. I sent them an email with NO response.
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Reviewed in the United States on April 28, 2026
K
Verified Purchase
Katherine
Massapequa, US
★★★★★ 5
Mixes drinks well and holds a charge
Color: Silver
I bought this frother to replace a weaker frother I had been using for months. I make iced lattes with instant espresso powder, water, and milk, and this frother does a great job at mixing the powder into the water/milk. It also leaves a nice 1" or so of milk froth on the top. I love that it can be charged with a USB-C cable and doesn't require batteries like many frothers do. It's very powerful for the size.
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Reviewed in the United States on June 7, 2026
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Verified Purchase
Revev
Pawtucket, US
★★★★★ 5
Putting my $.02 into the mix
Size: Basic Frother, Color: Black
My old, lame hand mixer finally gave up the ghost. I ordered one of those “stick blenders” but it was waaaay too powerful for my purposes. (I don’t need it to dice/chop/pulverize fruits or veggies - if you need that, this mixer isn’t for you.) I needed something in between. I kept coming back to the “milk frothers,” but I had my doubts that one of those could mix up my morning shake. I tried a frother some years ago, and it wasn’t designed for blending ingredients, just for frothing liquids. Still, I had an idea (like some of you might) that what I needed was not a true stick mixer, nor a true milk frother. Something in between. I needed a “frother on steroids.” I settled on this one-the YUSWKO YW-218. It had the regular frothing head, but also two other heads. One looks like a mini bread hook; the other like a mini whisk. I plugged it into charge and it did take the stated time to come to a full charge. (Like any kid with a new toy, I tried turning it on before charging, but the low state of charge resulted in the high-medium-low settings not behaving correctly.) For my first few forays into blending, I tried the mini bread hook thingee. It worked OK, but not as well nor as quickly as I wanted. I then shifted to the mini whisk thingee. I didn’t really prepare well. I combined my milk-protein powder-carnation breakfast-malt flavoring-imitation (yeah, I know, it probably causes cancer, but only in California) vanilla flavoring concoction into my normal medium-sized concession cup (you know, the smaller ones you get at high school basketball games), lowered the whisk head into the goop, and turned it to “low.” In a second, I was wearing my shake. But the power capacity was more than enough to do what I was needing. Anyway, since that first attempt with the whisk head, I’ve gotten the routine down. And it is EXACTLY what I needed. (I’ll try to attach a video to show you.). Clean up is simple. You can do it with soapy water and a brush or rag, but I just run the thing in clear water and ensure I get all the sticky stuff off. I tried the soapy water, but I got a LOT of suds. A few pointers. First, charge it up all the way before using it. I haven’t had to recharge for two weeks now. You’ll use a regular, small phone-charging brick. (Two words of CAUTION. I found that the included, cheap charging cord did not work. It got really hot, like there was an electrical short in it. So I found one of my own. Also, DO NOT USE the larger charging blocks like the ones from Ap*le. I tried and it was too much.) Second, I assumed that the low speed would be the less aggressive and thus the less “throw-stuff-out-of-the-cup” setting. But that hasn’t proven true for me. I’ve found that the medium setting makes my ingredients behave better (less throw-out and quicker blending). Experiment with different speeds, even though it may not make immediate sense. Third, practice with plain water first (I’ve already told you how I know this). That’ll give you a “feel” for what this frother will do. Fourth, practice with different sized cups. I’ve since changed to the taller concession cups, as they prevent throw-out. Fifth, start practicing with your cups down in a sink. Less mess to clean up and no need to change clothes before you head out to work or school (I’m a teacher). Finally, familiarize yourself with the way the three buttons work. My previous mixer required me to keep the button depressed to blend. If I let up on the button, the unit would stop. Not so with this one. A light press to start, let go, then a light press to stop. Don’t keep mashing the button. Final thoughts: this frother is just what I needed. If your experience sounds like mine, I think this one’ll give you good service.
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Reviewed in the United States on November 25, 2022
C
Verified Purchase
christyyoung
Alexandria, US
★★★★★ 5
Excellent frother
Size: Basic Frother, Color: Christmas Red
This item works great! I love the red color and how easy it is to clean, and howneasynitnis to charge. I also like that there are three different attachments to choose from.
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Reviewed in the United States on June 8, 2026

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