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Description
RHN412BMain Range of product Zelio Relay Product or component type Plug in relay Device short name RHN Contacts type and composition 4 C O Contact operation Instantaneous Standard [Uc] control circuit voltage 24 V DC [Ithe] conventional enclosed thermal current 5 A 40 C Status LED Without Control type Manual control Coil interference suppression Without Complementary [Ui] rated insulation voltage 250 V Test levels Level A group mounting Operating position
Main
| Range of product | Zelio Relay |
| Product or component type | Plug-in relay |
| Device short name | RHN |
| Contacts type and composition | 4 C/O |
| Contact operation | Instantaneous Standard |
| [Uc] control circuit voltage | 24 V DC |
| [Ithe] conventional enclosed thermal current | 5 A 40 °C |
| Status LED | Without |
| Control type | Manual control |
| Coil interference suppression | Without |
Complementary
| [Ui] rated insulation voltage | 250 V |
| Test levels | Level A group mounting |
| Operating position | Any position |
| Minimum switching capacity | 150 mVA at 10 mA 150 mVA, 1 V |
| Contact bounce time | <= 10 ms |
| Maximum voltage drop | <100 V for 3 A at 24 V |
| Average resistance | 30 mOhm at 20 °C |
| Average coil consumption | 1.6 W at 20 °C |
| Control circuit voltage limits | 0.8...1.1 Uc conforming to IEC 60255 |
| Drop-out voltage threshold | 0.1...0.3 Uc |
| Time constant | 12 ms for open contact(s) 15 ms for closed contact(s) |
| Mechanical durability | 20000000 cycles |
| Maximum operating rate | 6 cyc/mn |
| Operating time | 1...4 ms for energisation/de-energisation 1.2...4 ms for de-energisation/energisation 10...20 ms between energisation of coil and closing of NO contact at 20 °C 2...7 ms between de-energisation of coil and closing of NC contact at 20 °C |
| CAD overall width | 33 mm |
| CAD overall height | 43 mm |
| CAD overall depth | 54 mm |
| Terminals description ISO n°1 | (11-12-14)OC (21-22-24)OC (41-42-44)OC (31-32-34)OC (A1-A2)CO |
| Net weight | 0.09 kg |
| Compatibility code | RHN |
Environment
| Standards | NF C 45-250 VDE 0435 IEC 60255 BS 4794 |
| Product certifications | USSR BV CSA EDF ASE UR |
| Protective treatment | TC |
| Dielectric strength | 2500 V |
| Ambient air temperature for operation | -5…40 °C conforming to IEC 60255 |
| Ambient air temperature for storage | -40…70 °C |
| Vibration resistance | 6 gn (f= 10…55 Hz) conforming to IEC 60068-2-6 6 gn (f= 10…55 Hz) conforming to NF C 20-616 |
| Shock resistance | 50 gn for 11 ms conforming to NF C 20-608 |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| REACh free of SVHC | Yes |
| EU RoHS Directive | Pro-active compliance (Product out of EU RoHS legal scope) EU RoHS Declaration |
| Toxic heavy metal free | Yes |
| Mercury free | Yes |
| RoHS exemption information | Yes |
| China RoHS Regulation | China RoHS declaration |
| Environmental Disclosure | Product Environmental Profile |
| Circularity Profile | End of Life Information |
| WEEE | The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins |
Contractual warranty
| Warranty | 18 months |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.0 ★★★★★
Based on 27 reviews
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Product Reviews
★★★★★ 5
Epic. Works great.
Color: Black
Works great every day. Super powerful and smooth compared to my old battery powered one. The shaft is much thicker and is more securely positioned so I can't imagine it becoming tweaked off balance like my old one. And it comes with an extra mixer attachment! I imagine I've put that away for a long time, but we'll see. Easy to turn on and off with one hand, but I can imagine it being less easy than a simple push button for someone with decreased thumb dexterity or mobility. I do wish the lowest speed was slightly lower, but it hasn't caused any splashing or other detriment. The speed adjustment is very smooth and power is abundant. Love the stand, Usb c charge port is solid, battery life is excellent.
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Reviewed in the United States on April 13, 2026
★★★★★ 5
You want this one, for power and quality and saving on AA battery costs
Color: Black
Yes. You want this one, for power and quality and saving on AA battery costs — buy it now. Don’t waste any more time comparing products.
After hours, days, weeks, of researching and comparing, I ordered this one. I do not regret it. It is powerful. It was less than $25 when I bought it. It has a USB charger port and it feels solid in your hand. It has a turn-knob at the top to control the variable speed immersion blender aka milk frother aka wand frother. Charge battery fully for 2hrs before first use and then you’re all set. It works very well. It functioned as expected and then even better. Yes. It exceeded expectations. I hope it lasts a long time. It feels like it is very well made and high quality. Classiest and best wand frother I have ever owned. And I’ve owned over 3-4 in the past 10yrs.
I got this one at $25 instead of the highest-rated one for $9.99 because those require AA batteries and this frother however is USB-C rechargeable!
So in 1-2 years it will have paid for itself in battery costs alone.
But there’s no price I can put on how enjoyable it is to use this super powerful, super smooth, high quality, wand frother.
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Reviewed in the United States on September 20, 2025
★★★★★ 5
Quality Design
Color: Gray
Excellent frother/mixer
Pros:
- Quality feels premium.
- Plenty of power to mix even with a drink packed with ice and peanut butter. Basically a mini handheld mixer.
- Ease of use is great. I appreciated that this had a longer brother so I can mix drinks in taller cups. Also the grip is fantastic and it is easy very easy to change the speed with just one hand so you can hold the drink with the other.
Longevity - So far it's been holding up and hasn't needed a battery replacement.
Cons:
None so far.
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Reviewed in the United States on December 10, 2025
★★★★★ 5
Highly recommend!
Color: Gray
Love this frother!!! Purchased to replace an Aerolatte that stopped working after a reasonable period of use. Right out of the box, it was charged and ready to go. I’ve been using it daily for about 5 weeks on the same charge it had on arrival and it’s still going strong. Love the variable speed and easy to work with one hand. And this baby can froth! It froths far better than our old Aerolatte. Also love the rechargeable feature so no more AA batteries wasted. This handy kitchen tool makes my morning coffee a true highlight. Highly recommend the Maestri milk frother!
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Best Frother Ever!
Color: Black
Great little frother and very powerful after just one charge. I haven’t charged it since the first day and it is still going strong after 3 weeks. I use it daily for coffee froth, but have used it for mixing other things as well. It works great on mixing drink powders into water and for making salad dressing from scratch. It’s one of the best things I’ve purchased on Amazon for kitchen tools. My old frother ate through batteries and was 1/10th as powerful. This one really is amazing. Great quality heavy duty but still small machine. Extra attachment heads are also a bonus.
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Reviewed in the United States on May 23, 2026