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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
- 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
4.9 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
He loves this ball
Size: Medium, Size: Medium
My dog loves this ball. It’s the perfect size, he enjoys playing fetch and this ball has been his fav one. Thank you guys for making my lil one happy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
★★★★★ 5
Great Dog Ball!
Size: Large
My Dog loved the ball. And ball is surprisingly still going strong.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026
★★★★★ 5
Rusty LOVES them.
Size: Large
Our dog loves these balls! I like that they squeak and the texture prevents them from getting slimy from his spit. They last more than smooth balls. You do need to make sure you get the right size for your dogs mouth.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
★★★★★ 5
Squeaker Does NOT Break in a Day
Size: Large
My mid-size, 40lb heeler mix loves these chew balls. They are easily his favorite toys to fetch, chase and chew on.
We’ve had the chew balls for several months, and, unfortunately the squeaker does not break in a day. They are still going strong.
Extremely durable and great value for the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
★★★★★ 5
Perfect for my GSD
Size: Large
Perfect for my GSD! Squeaker is easy to pop out for quiet play.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 9, 2026
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