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Description
LR97D25EMain Device short name LR97 Product or component type Electronic overcurrent relay Device application Protection Relay application Overload Imax > Isetting Sensitivity to phase failure Locked rotor, mechanical jamming I > 3 x Isetting Product compatibility LC1D09 D38 Network type DC AC [Us] rated supply voltage 48 V AC DC Thermal protection adjustment range 525 A [Ue] rated operational voltage 600 V AC 50 60 Hz for power circuit conforming to CSA 600
Main
| Device short name | LR97 |
| Product or component type | Electronic overcurrent relay |
| Device application | Protection |
| Relay application | Overload Imax > Isetting Sensitivity to phase failure Locked rotor, mechanical jamming I > 3 x Isetting |
| Product compatibility | LC1D09...D38 |
| Network type | DC AC |
| [Us] rated supply voltage | 48 V AC/DC |
| Thermal protection adjustment range | 5…25 A |
| [Ue] rated operational voltage | 600 V AC 50/60 Hz for power circuit conforming to CSA 600 V AC 50/60 Hz for power circuit conforming to UL 690 V AC 50/60 Hz for power circuit conforming to IEC 60947-4-1 |
| Quantity per set | Set of 10 |
Complementary
| Network frequency | 50...60 Hz |
| Mounting support | Direct on contactor Rail |
| Tripping threshold | 5...21 A |
| Surge withstand | 6 kV conforming to IEC 61000-4-5 |
| Contacts type and composition | 1 C/O |
| [Ith] conventional free air thermal current | 3 A for control circuit |
| Protection type | BS fuse 3 A - for control circuit GB2 circuit breaker 3 A - for control circuit GG fuse 3 A - for control circuit |
| Maximum power | 28 W at 110 V DC conforming to IEC 60947 28 W at 220 V DC conforming to IEC 60947 55 W at 24 V DC conforming to IEC 60947 55 W at 48 V DC conforming to IEC 60947 140 VA at 48 V AC conforming to IEC 60947 360 VA at 110 V AC conforming to IEC 60947 360 VA at 220 V AC conforming to IEC 60947 70 VA at 24 V AC conforming to IEC 60947 |
| [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 |
| [Uimp] rated impulse withstand voltage | 6 kV |
| Phase failure sensitivity | < 3 s |
| Reset | Automatic reset 120 s fixed Electrical by interruption of power supply for minimum 0.1 s Manual reset |
| Time range | 0.2...10 s - O-time knob 0.3...10 s - O-time knob 0.5..30 s - D-time knob |
| Signalling function | 2 LEDs |
| Connections - terminals | Control circuit: cable 1 x 1…25 mm²flexible with cable end Control circuit: cable 1 x 1…25 mm²flexible without cable end Power circuit: cable 1 x 1…4 mm²flexible with cable end Power circuit: cable 1 x 1.5…10 mm²flexible without cable end Power circuit: lug-clamp 1 x 1…4 mm²flexible with cable end Power circuit: lug-clamp 1 x 1.5…10 mm²flexible without cable end Control circuit: cable 2 x 1…25 mm²flexible with cable end Control circuit: cable 2 x 1…25 mm²flexible without cable end Control circuit: lug-clamp 1 x 1…25 mm²flexible with cable end Control circuit: lug-clamp 1 x 1…25 mm²flexible without cable end Control circuit: lug-clamp 2 x 1…25 mm²flexible with cable end Control circuit: lug-clamp 2 x 1…25 mm²flexible without cable end |
| Tightening torque | Control circuit: 0.6...1.2 N.m on lug-clamp Power circuit: 2 N.m on cable |
| Height | 67.5 mm |
| Width | 45 mm |
| Depth | 67.5 mm |
| Net weight | 0.172 kg |
Environment
| Standards | IEC 60255-6 IEC 60947 |
| Product certifications | GOST UL CSA |
| Protective treatment | TH conforming to IEC 60068 |
| IP degree of protection | IP20 conforming to IEC 60529 |
| Ambient air temperature for operation | -25…60 °C conforming to IEC 60947-4-1 |
| Ambient air temperature for storage | -30…80 °C |
| Operating altitude | 2000 m |
| Fire resistance | 850 °C conforming to IEC 60695-2-1 |
| Shock resistance | 15 gn 11 ms conforming to IEC 60068-2-7 |
| Vibration resistance | 4 gn conforming to IEC 60068-2-6 |
| Dielectric strength | 2 V 50 Hz conforming to IEC 60255-5 |
| Resistance to electrostatic discharge | 6 kV in indirect mode 8 kV in air |
| Resistance to radiated fields | 10 V/m level 3 |
| Resistance to fast transients | 2 kV |
| Disturbance radiated/conducted | 10 V conforming to EN 61000-4-6 Class A conforming to EN 55011 |
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 |
| Circularity Profile | End of Life Information |
| 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 |
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4.1 ★★★★★
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Product Reviews
★★★★★ 5
This a an excellent comprehensive text that would be an asset to any project manager.
Format: Kindle
This is the best project management book I have read in many years. It is structured in a comprehensive and clear format that allows the reader to follow the author. The author has also provided clarity on different methods of project management that can be used to manage a variety of projects with examples of how each method can be applied. In addition to the knowledge of project management and excellent examples of how each method can be applied the author has provided keynotes to other references a reader can seek out for additional reading. This is an excellent text that I wish had been available to me years ago. 👍🏻
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Reviewed in the United States on October 20, 2023
★★★★★ 5
Become a Project Management Pro
Format: Kindle
This book is all about the ins and outs of managing a project from start to finish, and it's broken down so it's easy to understand. The practical examples helped me understand the concepts, and I've been using the tips at work, making my projects run smoother than ever. I especially appreciated the step-by-step guide to implementing these principles.
If you're new to project management, or if you've been winging it and want to step up your game, I'd highly recommend this book.
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Reviewed in the United States on July 6, 2023
★★★★★ 5
Great Introduction
Format: Kindle
This was a great introduction to the world of real estate investing. The methods provided were easy to comprehend. Overall great book for beginners!
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Reviewed in the United States on December 22, 2024
★★★★★ 5
Easy to use organized guide that takes you step by step through a process
Format: Paperback, Format: Paperback
I've been investing in real estate for 5+ years and have worked for a private equity group as Director of Acquisitions. To be successful as an investor, you need to have a system. That's what I like about Symon's book. He presents a very systematic way to invest in real estate.
The Table of Content presents a strong outline that takes you from the Why of real estate investing to How to expand your portfolio and work with partners.
The book also has several helpful charts and images to drive home each lesson.
Although the book feels comprehensive like a textbook, it's written in a way that's easy to understand and logical to follow.
Symon's approach is also very metrics based (see photos). His scorecards help you test out your ideas by creating objective metrics to look at.
I highly recommend this book!
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Reviewed in the United States on August 8, 2020
★★★★★ 4
Good beginner resource
Format: Paperback
Explains things in layman’s terms. Provides lots of examples and basic calculations. Would recommend.
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Reviewed in the United States on September 2, 2022