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Description
LT4730BAMain 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 Overload Imax > Isetting Sensitivity to phase failure [Us] rated supply voltage 24 V AC 24 V DC 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 Overload Imax > Isetting Sensitivity to phase failure |
| [Us] rated supply voltage | 24 V AC 24 V DC |
| 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 60255-6 IEC 60947 |
| 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 1571 reviews
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Product Reviews
★★★★★ 5
Worth the buy
Format: Paperback
Helpful. I prefer this little guy over the gigantic book we were required to purchase along with this one. Barely opened the bigger one, only used this for my advanced assessment course and still got an A.
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Reviewed in the United States on August 23, 2025
★★★★★ 5
A great condition when arrived. Strongly suggested.
Format: Paperback
I love this product and will be a great source for my physical exam study.
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Reviewed in the United States on January 11, 2025
★★★★★ 5
A GREAT PRODUCT
Format: Paperback
very informative and helped me with my class
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Reviewed in the United States on May 15, 2024
★★★★★ 5
Good quality
Format: Paperback
Smaller than the books I'm used to but easy to read.
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Reviewed in the United States on December 8, 2024
★★★★★ 5
Compact handbook
Format: Paperback
This is the perfect pocketbook to tote around to clinicals.
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Reviewed in the United States on June 24, 2023