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Description
LT4730F7AMain Range TeSys Product name TeSys LT Product or component type Electronic over current relay Device short name LT47 Device application Protection Relay application Locked rotor, mechanical jamming I > 3 x Isetting Sensitivity to phase failure Overload Imax > Isetting [Us] rated supply voltage 100 120 V AC Thermal protection adjustment range 330 A [Ui] rated insulation voltage Power circuit: 600 V AC conforming to CSA Power circuit: 600 V AC
Main
| Range | TeSys |
| Product name | TeSys LT |
| Product or component type | Electronic over current relay |
| Device short name | LT47 |
| Device application | Protection |
| Relay application | Locked rotor, mechanical jamming I > 3 x Isetting Sensitivity to phase failure Overload Imax > Isetting |
| [Us] rated supply voltage | 100...120 V AC |
| Thermal protection adjustment range | 3…30 A |
| [Ui] rated insulation voltage | Power circuit: 600 V AC conforming to CSA Power circuit: 600 V AC conforming to UL Power circuit: 690 V AC conforming to IEC 60947-4-1 |
Complementary
| Network frequency | 50...60 Hz |
| Mounting support | Rail |
| Tripping threshold | 3...25 A |
| Electromagnetic compatibility | Resistance to electrostatic discharge: 8 kV in open air conforming to IEC 61000-4-2 Resistance to electrostatic discharge: 6 kV in direct mode conforming to IEC 61000-4-2 Conducted emission: class A conforming to EN 55011 Immunity to electromagnetic interference: 10 V/m conforming to IEC 61000-4-3 Immunity to fast transients: 2 kV conforming to IEC 61000-4-4 Surge withstand: 6 kV conforming to IEC 61000-4-5 Conducted HF disturbances: 10 V conforming to IEC 61000-4-6 |
| Auxiliary contact composition | 1 NO + 1 NC |
| [Ith] conventional free air thermal current | 3 A for signalling circuit |
| Associated fuse rating | 3 A gG for signalling circuit 3 A BS for signalling circuit |
| [Uimp] rated impulse withstand voltage | 6 kV |
| Time range | 1...120 s - control type R-time 0.3...30 s - control type O-time |
| Local signalling | 1 LED (green) 1 LED (red) |
| Control type | Automatic: reset |
| Connections - terminals | Signalling circuit: screw clamp terminals 1 1…2.5 mm² - cable stiffness: flexible with cable end Signalling circuit: screw clamp terminals 1 1…2.5 mm² - cable stiffness: flexible without cable end Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable end Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible without cable end |
| Tightening torque | Signalling circuit: 1.7 N.m M3.5 |
| Height | 70.3 mm |
| Width | 71 mm |
| Depth | 77.2 mm |
| Net weight | 0.192 kg |
Environment
| Standards | IEC 60947 IEC 60255-6 |
| Product certifications | CSA UL |
| Protective treatment | TH conforming to IEC 60068 |
| IP degree of protection | IP20 conforming to IEC 60529 IP20 conforming to VDE 0106 |
| Ambient air temperature for operation | -25…60 °C without derating conforming to IEC 60947-4-1 |
| Ambient air temperature for storage | -30…80 °C |
| Operating altitude | 2000 m |
| Mechanical robustness | Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 Vibrations: 4 gn conforming to IEC 60068-2-6 |
| Dielectric strength | 2 kV at 50 Hz conforming to IEC 60255-5 |
Offer Sustainability
| EU RoHS Directive | Compliant EU RoHS Declaration |
| Toxic heavy metal free | Yes |
| Mercury free | Yes |
| RoHS exemption information | Yes |
| China RoHS Regulation | China RoHS declaration |
| 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
4.8 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Great chair at a great price point.
This item was easy to put together, it was comfortable and visually stunning to look at. My toddlers are able to climb in and out as the chair remains stable. It’s simple to recline, and does so smoothly. The quality is great especially for the price point
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Reviewed in the United States on July 7, 2025
★★★★★ 4
I would by again!
Good and lasted for over a year. A good quality product.
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Reviewed in the United States on April 11, 2026
★★★★★ 5
I'll Take Three!
I recently purchased the DUMOS Ergonomic Computer Gaming Chair, and I couldn't be happier with my decision! This chair combines comfort, style, and affordability in a way that truly exceeded my expectations. The PU leather lumbar support provides excellent comfort and proper posture, making long gaming or work sessions much more enjoyable.
What really surprised me was the fantastic price—so good that I ended up buying three! I chose two in striking red and one in sleek blue for each person's room, and they all look fantastic. The build quality feels sturdy and durable, and the ergonomic design has already made a noticeable difference in my comfort levels.
If you're looking for a stylish, comfortable, and budget-friendly gaming or office chair, I highly recommend the DUMOS Ergonomic Chair. It’s a great investment in your comfort and style!
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Reviewed in the United States on October 19, 2025
★★★★★ 3
Very comfortable wonderful chair
I like the chair it was very easy to assemble makes no noise when I'm going across the floor the size was perfect for me the stability was great the screw quality was very easy it's all very well put together got it on sale value for the money very good how do you just meant no problems it was great
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Reviewed in the United States on September 14, 2024
★★★★★ 5
excellent quality, Good Support
I got this on sale for $67. The process to assemble it was very straightforward and used an Allen wrench. It was rated as the best item in its category and had five stars. I wouldn't consider it a gaming chair, Although it tries to be one. It feels more like an office chair that was glam up to be a gaming chair. But it does an excellent job at supporting a tall large individual, Excellent Support, Good posture. Worth every penny, But not in the same category as a typical gaming chair. Lack some of the bells and whistles had a typical gaming chair would have, But every bit the money I paid for it. If you want something nicer then you need to buy like a $200+ Gaming chair with the bells and whistles.
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Reviewed in the United States on June 13, 2024