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Description
LRD1521Main Range TeSys Product name TeSys LRD Product or component type Differential thermal overload relay Device short name LRD Relay application Motor protection Product compatibility LC1D25 LC1D18 LC1D32 Network type DC AC Thermal overload class Class 20 conforming to IEC 60947 4 1 Thermal protection adjustment range 1218 A [Ui] rated insulation voltage Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL Power circuit: 690 V
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 | LC1D25 LC1D18 LC1D32 |
| Network type | DC AC |
| Thermal overload class | Class 20 conforming to IEC 60947-4-1 |
| Thermal protection adjustment range | 12…18 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 | 1.5 A at 240 V AC-15 for signalling circuit 0.1 A at 250 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: screw clamp terminals 1 cable(s) 1.5…10 mm² flexible without cable end Power circuit: screw clamp terminals 1 cable(s) 1…4 mm² flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² solid without cable end |
| Tightening torque | Control circuit: 1.7 N.m - on screw clamp terminals Power circuit: 1.85 N.m - on screw clamp terminals |
| Width | 45 mm |
| Depth | 92 mm |
| Net weight | 0.19 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 |
| Fire resistance | 850 °C conforming to IEC 60695-2-1 |
| Flame retardance | V1 conforming to UL 94 |
| Mechanical robustness | Vibrations: 6 Gn conforming to IEC 60068-2-6 Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 |
| Dielectric strength | 6 kV at 50 Hz conforming to IEC 60255-5 |
| Standards | CSA C22.2 No 14 EN 60947-4-1 EN 60947-5-1 ATEX D 94/9/CE UL 508 IEC 60947-5-1 IEC 60947-4-1 |
| Product certifications | UL BV ATEX INERIS GL RINA CSA GOST LROS (Lloyds register of shipping) DNV |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Under investigation |
| 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
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.3 ★★★★★
Based on 1763 reviews
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Product Reviews
★★★★★ 5
Great product, no damage
Format: Paperback
Product came in great condition. I was very happy with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
★★★★★ 5
Superman
Format: Paperback
Fantastic new take on the Man of Hope. Set to reflect the reality of our current world and the and people trying to save it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
LOVE the absolute universe
Format: Paperback
If you have heard of DC's Absolute Universe, this is a great starting point. The art, the storytelling, and the new revision is all a blast to read. I highly recommend this and all the others in the absolute series.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
★★★★★ 5
Super good
Format: Paperback
This was my introduction to the absolute dc comics and boy did it make a good first impression. The art style is great and the writing too, it’s fast paced in the current sections and slower in the flashbacks making sure the pacing is good throughout the whole book. The length is good for how much you pay being able to be finished in 30 minutes to an hour for fast readers.
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Just as enjoyable as Vol 1, if not better.
Batman and Robin Vol 2: Batman vs. Robin contains Batman and Robin #7-12. Just as in Vol 1, the art is all done by Frank Quitely and is very enjoyable. This continues the story of Batman and Robin Vol 1 which raps up in Vol 3 and is my favorite instalment of the trilogy (if you want to call it that). The story has some twists and turns and the reveal at the end is totally worth it, especially since there are clues dropped along the way. As I have said in my other reviews, this is part of the Grant Morrison Arc that will be detailed below, but the Batman and Robin trilogy could be read alone outside of the other stories. This picks up from Vol 1 after the events of Batman: R.I.P. and Battle for the Cowl. Again these are my favorite B&R as the dynamic between the two is very enjoyable to read and watch and the story is engaging.
Pros:
-B&R are amazing
-Art is solid
-New characters are fantastic
-Original story line
-So many little clues as to what is going on
-Grant Morrison
Cons:
-Grant Morrison
-Relatively Short
-Vol 3 (see review)
*Morrison's Story Arc is as follows:
Batman and Son (Included in Black Glove Deluxe Edition)
Batman: The Black Glove
Batman: RIP
Batman: Batman and Time (or Final Crisis but still needs 701 and 702)
Batman and Robin Volume 1-3
Batman: The Return of Bruce Wayne (Technically happens during Batman and Robin Volumes 1 and 2)
Batman Incorporated (and Leviathan Strikes)
Batman Incorporated Vol 1: Demon Star (New 52)
Batman Incorporated Vol 2: Gotham's Most Wanted (New 52)
A readers guide to Grant Morrison's Batman is a great help if you are looking at the whole series.
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Reviewed in the United States on August 26, 2016