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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
4.2 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Great buy
Size: 10.5 Toddler, Color: Gold/Rainbow
Great quality and ankle support. Less falls at the park.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
★★★★★ 5
Cushiony and lightweight sneakers!
Size: 5.5 Toddler, Color: Gold/Rainbow, Size: 5.5 Toddler, Color: Gold/Rainbow
The shoes are excellent quality! I was worried that the soles would be heavy since they are a little thicker than other toddler shoes, but this is not the case. The shoes are lightweight and run true to size. They were a little hard to put on the first two times and I thought, "Oh no, they must be too narrow." However, after my toddler wore these for a few hours each time, they stretched out and I checked her feet and did not notice any signs of discomfort, such as impressions on her feet from the shoes and/or redness. Toddler walked "normal" and even ran in these. The style is supercute (gotta love the subtle sparkles) and athletic and they appear to give her a lot of support. I can't speak to durability as she has only worn them for a few weeks but so far, they held up well and I have no issues with the velcro. I am glad they softened and stretched out after a short time of wear and they have plenty of cushion! Overall, these are great and no complaints here. I highly recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 25, 2025
★★★★★ 5
Great looks for any outfit choice
Size: 12 Toddler, Color: Black/Grey
I was proud to see my first grader run their first mile on these shoes. The look and color is great for either a boy or a girl, and matches with either neutral colored or bright outfits. My kiddo found it easy to put on and adjust snuggly, so it’s nice having a shoe that doesn’t require an adult to calibrate and tighten just right (like my kids soccer cleats!). This is several steps past your cheap sneaker and I can tell it will comfortably get many more miles from my kid.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 15, 2025
★★★★★ 5
A good choice
Size: 4 Toddler, Color: Black/Grey
This is a great pair of shoes with excellent durability and color. It’s a classy little shoe that looks good and had a good fit. That was true to it sizing. It’s an excellent value for the money and they held up well throughout testing. No flaws were found in any of the materials and workmanship was phenomenal. If I could give it more than five stars I would.
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Reviewed in the United States on October 29, 2025
★★★★★ 5
Nice shoes
Size: 13 Wide Big Kid, Color: Purple/Turq
Absolutely love the colors on these shoes. My daughter loves them and says they are comfortable! Would buy them again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 23, 2026
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