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Description
LRD350Main Range TeSys Product name TeSys LRD Product or component type Differential thermal overload relay Device short name LRD Relay application Motor protection Product compatibility LC1D65A LC1D50A LC1D40A Network type DC AC Thermal protection adjustment range 3750 A [Ui] rated insulation voltage Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL Power circuit: 690 V conforming to IEC 60947 4 1 Complementary Network frequency
Main
| Range | TeSys |
| Product name | TeSys LRD |
| Product or component type | Differential thermal overload relay |
| Device short name | LRD |
| Relay application | Motor protection |
| Product compatibility | LC1D65A LC1D50A LC1D40A |
| Network type | DC AC |
| Thermal protection adjustment range | 37…50 A |
| [Ui] rated insulation voltage | Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL Power circuit: 690 V conforming to IEC 60947-4-1 |
Complementary
| Network frequency | 0...400 Hz |
| Mounting support | Plate, with specific accessories Rail, with specific accessories Under contactor |
| Tripping threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
| [Ith] conventional free air thermal current | 5 A for signalling circuit |
| Permissible current | 0.95 A at 380 V AC-15 for signalling circuit 0.06 A at 440 V DC-13 for signalling circuit |
| [Ue] rated operational voltage | 690 V AC 0...400 Hz |
| [Uimp] rated impulse withstand voltage | 6 kV |
| Phase failure sensitivity | Tripping current 130 % of Ir on two phase, the last one at 0 |
| Control type | Red push-button: stop Blue push-button: reset |
| Temperature compensation | -20…60 °C |
| Connections - terminals | Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible without cable end Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible with cable end Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid without cable end Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible without cable end Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² flexible with cable end Power circuit: EverLink BTR screw connectors 1 cable(s) 1…35 mm² solid without cable end |
| Tightening torque | Control circuit: 1.7 N.m - on screw clamp terminals Power circuit: 5 N.m - on EverLink BTR screw connectors |
| Height | 70 mm |
| Width | 55 mm |
| Depth | 123 mm |
| Net weight | 0.375 kg |
Environment
| Protective treatment | TH conforming to IEC 60068 |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Ambient air temperature for operation | -20…60 °C without derating conforming to IEC 60947-4-1 |
| Ambient air temperature for storage | -60…70 °C |
| Flame retardance | V1 conforming to UL 94 |
| 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 | 6 kV at 50 Hz conforming to IEC 60255-5 |
| Standards | UL 508 CSA C22.2 No 14 IEC 60947-5-1 EN 60947-5-1 ATEX D 94/9/CE IEC 60947-4-1 EN 60947-4-1 |
| Product certifications | UL GL BV CCC ATEX INERIS RINA DNV GOST CSA LROS (Lloyds register of shipping) |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| REACh free of SVHC | Yes |
| EU RoHS Directive | Under investigation |
| 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 |
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 8 reviews
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Product Reviews
★★★★★ 4
Good Law School Book for 1st Year Students
Format: Paperback
Good law school book for first year students.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2025
★★★★★ 5
Kindle version is great
Format: eTextbook
Easy to read and formatted well!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2021
★★★★★ 1
The online version is missing part 3 and Aspen Publishing refuses to provide it.
Format: Paperback
I purchased the hard copy with online version. The online version is missing part 3 and Aspen Publishing refuses to provide it. I no longer have the hard copy because I gave it to a classmate.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 18, 2023
★★★★★ 5
Silly fun!
Format: Hardcover
This book is adorable and a must have for young children. It's super silly and was definitely a hit with my niece.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 16, 2026
★★★★★ 5
LOVE this book- great for giggles
Format: Hardcover, Format: Hardcover
We checked this book out at the library and my son (4 y/o) instantly loved it. We read it to my daughter (6 y/o) and she loved it too. It’s comical without being too in your face. The drawings are hilarious and you can’t help but love Duck. It’s super simple in terms of plot, but expertly silly. It’s all in the deliver of the reader so make sure you draw attention to the pictures (passage of time, facial reaction, etc), emote, and have fun with it. I would say this is great for children 4-10. And I believe most 7-8 year olds could read independently with relative ease depending on their level.
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Reviewed in the United States on December 27, 2024