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Description
RM35HZ21FMMain Range of product Zelio Control Product or component type Modular measurement and control relays Relay type Frequency control relays Relay name RM35HZ21FM Relay monitored parameters Overfrequency and underfrequency 50 or 60 Hz Time delay type Adjustable 0. 1 10 s, + 10 % on crossing the threshold Switching capacity in VA 1250 VA Minimum switching current 10 mA at 5 V DC Maximum power consumption in VA 6 VA AC Measurement range 40 70 Hz frequency
Main
| Range of product | Zelio Control |
| Product or component type | Modular measurement and control relays |
| Relay type | Frequency control relays |
| Relay name | RM35HZ21FM |
| Relay monitored parameters | Overfrequency and underfrequency 50 or 60 Hz |
| Time delay type | Adjustable 0.1...10 s, +/- 10 % on crossing the threshold |
| Switching capacity in VA | 1250 VA |
| Minimum switching current | 10 mA at 5 V DC |
| Maximum power consumption in VA | 6 VA AC |
| Measurement range | 40...70 Hz frequency |
| Utilisation category | AC-12 conforming to IEC 60947-5-1 AC-13 conforming to IEC 60947-5-1 AC-14 conforming to IEC 60947-5-1 AC-15 conforming to IEC 60947-5-1 DC-12 conforming to IEC 60947-5-1 DC-13 conforming to IEC 60947-5-1 DC-14 conforming to IEC 60947-5-1 |
Complementary
| Reset time | 2000 ms time delay |
| Maximum switching voltage | 250 V AC/DC |
| [Us] rated supply voltage | 120...277 V AC |
| [Us] rated supply voltage | 120...277 V AC |
| Supply voltage limits | 102…308 V AC |
| Control circuit frequency | 40...70 Hz |
| Width | 35 mm |
| Output contacts | 1 C/O + 1 C/O |
| Contacts material | Cadmium free |
| Nominal output current | 5 A |
| Maximum input frequency | 70 Hz |
| Maximum measuring cycle | 200 ms measurement cycle as true rms value |
| Delay at power up | 0.5 s |
| Hysteresis | 0.3 % fixed |
| Measurement accuracy | +/- 10 % of the full scale value in input +/- 10 % of the full scale value in time delay |
| Repeat accuracy | +/- 0.5 % for input and measurement circuit +/- 0.5 % for time delay |
| Measurement error | +/- 0.05 %/°C with temperature variation < +/- 1 % over the whole range with voltage variation |
| Threshold setting | -2...10 Hz -10...2 Hz |
| Marking | CE : 73/23/EEC CE : EMC 89/336/EEC |
| Overvoltage category | III conforming to IEC 60664-1 |
| Insulation resistance | > 500 MOhm at 500 V DC between supply and relay output conforming to IEC 60255-5 > 500 MOhm at 500 V DC between measurement and relay output conforming to IEC 60664-1 > 1 MOhm at 500 V DC between supply and measurement conforming to IEC 60255-5 > 500 MOhm at 500 V DC between supply and relay output conforming to IEC 60664-1 > 500 MOhm at 500 V DC between measurement and relay output conforming to IEC 60255-5 > 1 MOhm at 500 V DC between supply and measurement conforming to IEC 60664-1 |
| [Ui] rated insulation voltage | 400 V conforming to IEC 60664-1 |
| Operating voltage tolerance | - 15 % + 10 % Un |
| Supply frequency | 50/60 Hz +/- 10 % |
| Insulation | No galvanic insulation between supply and measurement |
| Operating position | Any position without |
| Connections - terminals | Screw terminals, 1 x 0.5...1 x 4 mm² (AWG 20...AWG 11) solid without cable end Screw terminals, 2 x 0.5...2 x 2.5 mm² (AWG 20...AWG 14) solid without cable end Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 24...AWG 12) flexible with cable end Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) flexible with cable end |
| Tightening torque | 0.6…1 N.m conforming to IEC 60947-1 |
| Housing material | Self-extinguishing plastic |
| Local signalling | 1 LED green for power ON 1 LED yellow for correct frequency (high R1) 1 LED yellow for correct frequency (low R2) |
| Mounting support | 35 mm symmetrical DIN rail conforming to EN/IEC 60715 |
| Electrical durability | 100000 cycles |
| Mechanical durability | 30000000 cycles |
| Operating rate | <= 360 operations/hour full load |
Environment
| Immunity to microbreaks | 10 ms |
| Electromagnetic compatibility | Emission standard for industrial environments conforming to EN/IEC 61000-6-4 Emission standard for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-3 Immunity for industrial environments conforming to NF EN/IEC 61000-6-2 |
| Standards | IEC 60255-6 NF EN 60255-6 |
| Product certifications | GL UL CSA C-Tick GOST |
| Ambient air temperature for storage | -40…70 °C |
| Ambient air temperature for operation | -20…50 °C |
| Relative humidity | 95 % at 55 °C conforming to IEC 60068-2-30 |
| Vibration resistance | 0.35 mm (f= 5…57.6 Hz) conforming to IEC 60068-2-6/IEC 60255-21-1 1 gn (f= 57.6…150 Hz) conforming to IEC 60068-2-6/IEC 60255-21-1 |
| Shock resistance | 15 gn for 11 ms conforming to IEC 60255-21-1 |
| IP degree of protection | IP20 (terminals) conforming to IEC 60529 IP30 (casing) conforming to IEC 60529 |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Dielectric test voltage | 2 kV AC 50 Hz |
| Non-dissipating shock wave | 4 kV |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Pro-active compliance (Product out of EU RoHS legal scope) EU RoHS Declaration |
| 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
4.1 ★★★★★
Based on 2014 reviews
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Product Reviews
★★★★★ 5
I am very pleased with this purchase😍
Item Firmness Description: Medium Firm, Item Thickness: 8.0 Inches, Size: Queen (U.S. Standard), Item Firmness Description: Medium Firm, Item Thickness: 8.0 Inches, Size: Queen (U.S. Standard)
I’ve been sleeping on the EGOHOME 8 Inch Memory Foam Mattress in Queen size for a little while now, and I’m honestly very happy with it. The Queen size fits perfectly and gives plenty of space while still feeling super cozy.
The mattress has a really comfortable medium-firm feel — supportive but still soft enough to relax into after a long day. I also noticed the cooling gel foam helps prevent overheating at night, which makes sleep much more comfortable.
It arrived compressed in a box and expanded quickly without any issues. The quality feels great for the price, and there was very little odor after opening.
Overall, this mattress gives great support, relieves pressure nicely, and has definitely improved my sleep quality. Highly recommend if you’re looking for a comfortable Queen mattress!
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Good 👍
Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin, Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin
Great mattress for kids! It expanded quickly, has minimal odor, and provides a comfortable balance of softness and support. The memory foam relieves pressure well, and the cooling gel helps keep it comfortable throughout the night. Excellent quality for the price and a great choice for a child’s bed.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Really fantastic mattress
Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin, Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin
This twin size mattress exceeded my expectations. It’s very comfortable, supportive, and has the perfect balance between softness and firmness. I wake up without back pain and sleep much more comfortably now. The mattress arrived in great condition and was easy to set up. It’s a great option for the price, and the quality feels amazing. I would definitely buy it again and recommend it to others.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Great Mattress for Everyday Use
Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin, Item Firmness Description: Medium Firm, Item Thickness: 6.0 Inches, Size: Twin
I’ve been sleeping on this mattress for a few days now, and I honestly couldn’t be happier with it. It has that wonderfully soft, memory foam feel that I love, but it also provides just the right amount of support to keep my body comfortable all night long. I usually sleep on my side, and sometimes on my back, and I find that it feels great in both positions—no more waking up with a sore back, which is such a relief.
What really surprised me is how cool it stays during the night. I’ve used memory foam mattresses before that made me sweat, but this one has a noticeable cooling effect that actually works better than I expected. It stays comfortable all night, no matter how much I toss and turn. Plus, it absorbs movement really well, so if my partner shifts around or I move in my sleep, it doesn’t disturb me at all.
Setting it up was super easy—the mattress expanded quickly after I took it out of the box. There was a small foam smell at first, but it vanished pretty fast. Overall, it’s comfortable, supportive, and feels like a great value. If you’re looking for a mattress that strikes a good balance between softness and support, I’d definitely recommend giving this one a try.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Comfortable, Supportive, and Sleeps Cool
Item Firmness Description: Medium Firm, Item Thickness: 10.0 Inches, Size: Queen (U.S. Standard)
This queen mattress is very comfortable and offers a great balance of softness and support. It is medium-firm and works well for relieving pressure on the back, shoulders, and hips while still feeling supportive throughout the night. The cooling feature helps keep the mattress comfortable and fresh, especially for warmer sleepers. It arrived neatly packed in a box and expanded quickly after opening with very little odor. I also appreciate that it’s certified, which gives extra peace of mind about the materials. Overall, a high-quality mattress that delivers great comfort and value for the price.
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Reviewed in the United States on May 21, 2026