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- Maximum Voltage Rating: 1000 V
- Ambient Air Temperature For Storage: -60-70°C
- Ambient Air Temperature For Operation: -20-60°C without derating IEC 60947-4-1
- Phase Failure Sensitivity: tripping current 130 % of Ir on two phase, the last one at 0
- Network Frequency: 0 to 400 Hz
- Maximum Operating Temperature: 140 Degrees F
Specifications
| Part Number | LR2D3557 |
| Brand | Schneider Electric |
| Auxiliary Contact Form | 1NC/1NO |
| Minimum Overload Relay Current Setting | 37 A |
| Maximum Overload Relay Current Setting | 50 A |
| Trip Class | 20 |
| Overload Protection Type | Thermal |
| Depth | 121 mm |
| Width | 75 mm |
| Height | 100 mm |
| Item | Thermal Overload Relay |
| Maximum Voltage Rating | 1000 V |
| Standards | EN/IEC 60947-4-1 || EN/IEC 60947-5-1 || UL 60947-4-1 || UL 60947-5-1 || CSA C22.2 No 60947-4-1 || CSA C22.2 No 60947-5-1 |
| Ambient Air Temperature For Storage | -60-70°C |
| Range | TeSys |
| Flame Retardance | V1 conforming to UL 94 |
| Network Type | DC || AC |
| Associated Fuse Rating | 4 A gG signalling circuit || 4 A BS signalling circuit |
| Product Compatibility | LC1D80 || LC1D95 |
| Product Or Component Type | differential thermal overload relay |
| Permissible Current | 0.72 A 500 V AC-15 signalling circuit || 0.06 A 440 V DC-13 signalling circuit |
| Product Certifications | IEC || UL || CSA || EAC || DNV-GL || LROS (Lloyds register of shipping) || UKCA |
| Relay Application | motor protection |
| Device Short Name | LR2D |
| Tightening Torque | control circuit 1.7 N.m screw clamp terminals || power circuit 9 N.m screw clamp terminals |
| Climatic Withstand | IACS E10 |
| Dielectric Strength | 2.2 kV 50 Hz IEC 60947-1 |
| Product Name | TeSys LRD || TeSys Deca |
| Connections - Terminals | power circuit screw clamp terminals 1 4-35 mm² flexible without cable end || power circuit screw clamp terminals 1 4-35 mm² flexible with cable end || power circuit screw clamp terminals 1 4-35 mm² solid without cable end || control circuit screw clamp terminals 2 1-2.5 mm² flexible without cable end || control circuit screw clamp terminals 2 1-2.5 mm² flexible with cable end || control circuit screw clamp terminals 2 1-2.5 mm² solid without cable end |
| Tripping Threshold | 1.14 +/- 0.06 Ir IEC 60947-4-1 |
| Ambient Air Temperature For Operation | -20-60°C without derating IEC 60947-4-1 |
| Mechanical Robustness | vibrations6 Gn IEC 60068-2-6 || shocks15 Gn for 11 ms IEC 60068-2-7 |
| Control Type | Red push-button stop || Blue push-button reset |
| Phase Failure Sensitivity | tripping current 130 % of Ir on two phase, the last one at 0 |
| Network Frequency | 0 to 400 Hz |
| Thermal Overload Class | class 20 IEC 60947-4-1 |
| Thermal Protection Adjustment Range | 37-50 A |
| Conventional Free Air Thermal Current | 5 A signalling circuit |
| Mounting Style | plate, with specific accessories || rail, with specific accessories || under contactor |
| Maximum Operating Temperature | 140 Degrees F |
| Rated Insulation Voltage | power circuit 600 V CSA || power circuit 600 V UL || power circuit 690 V IEC 60947-4-1 |
| IP Rating | IP20 |
| Minimum Operating Temperature | -4 Degrees F |
| Rated Operational Voltage | 1000 V AC 0 to 400 Hz power circuit IEC 60947-4-1 |
| Trip Clss | 20 |
Description
The Schneider Electric LR2D3557 is a differential thermal overload relay. This type of relay protects motors and other equipment from damage caused by excessive current by using a bimetallic strip to open a circuit when an overload condition occurs. It has a maximum voltage rating of 1000 V and complies with EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, and CSA C22.2 No 60947-5-1 standards.
| Shipping | This item ships to USA |
Processing Time:
All orders at Pro Replacement Parts are processed and shipped within 1-2 business days. For orders placed before 12 PM EST, we offer same-day shipping whenever possible. We aim to ensure that your order reaches you as quickly as possible.
Delivery Timeframe:
Most orders are delivered within 3–5 business days via UPS Ground. This is an estimated delivery timeframe, not a guarantee. Timing can vary by product availability, destination, holidays, weather, and carrier delays. Freight shipments may take longer.
Expedited Shipping:
UPS 2nd Day Air is available for eligible orders at checkout. Rates and estimated delivery dates are calculated at checkout. Two-business-day transit begins after shipment; processing time still applies.
Shipping Methods:
- Items exceeding 50” in width or 70 lbs in weight are shipped via Freight Carrier. You will be contacted by the carrier to schedule a delivery time.
- Items under 50” in width and 70 lbs in weight will be shipped via UPS or FedEx as a small package service.
Freight Shipments:
Freight shipments are delivered curbside in residential areas. You may need assistance to move the package indoors, or you can unbox the shipment and carry each piece inside individually. While some drivers may help move a shipment into a garage or carport, this is not guaranteed. For Inside Delivery requests, please contact us at the time of your order (additional fees apply). Email: support@proreplacementparts.com
Inspection and Damage:
Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.
Order Cancellations:
All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.
Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.
Wide Selection of Brands: At our store, you'll find an extensive range of electric motors from top brands in the industry. We carefully select our inventory to ensure that you have access to the best and most reliable products on the market. Whether you need a motor for an industrial machine, a household appliance, or a specialized project, we have something for everyone.
Customer-Centric Service: We believe in putting our customers first. Our team is committed to providing you with personalized service and support throughout your buying journey. From helping you choose the right motor for your needs to answering any queries you have after purchase, we're here to assist you every step of the way.
Competitive Pricing: We strive to offer our high-quality electric motors at competitive prices. Our goal is to provide you with the best value, ensuring that you get a top-performing motor without breaking the bank. Plus, our regular deals and promotions mean that you can save even more when you shop with us.
Reliable Shipping and Handling: While we don't offer same-day shipping, we understand the importance of timely delivery. That's why we work with reliable shipping partners to ensure that your order is processed, shipped, and delivered efficiently. You can trust us to get your electric motor to you in excellent condition and within a reasonable timeframe.
Knowledgeable Support: Our team is knowledgeable about the wide range of electric motors we offer. We can provide you with detailed information and specifications for each product, helping you make an informed decision. If you have any questions or need advice, our experts are just a call or email away.
Your purchase is covered by the Manufacturer’s Limited Warranty.
For return/refund information, please visit our Returns & Refunds page.
Description
- Maximum Voltage Rating: 1000 V
- Ambient Air Temperature For Storage: -60-70°C
- Ambient Air Temperature For Operation: -20-60°C without derating IEC 60947-4-1
- Phase Failure Sensitivity: tripping current 130 % of Ir on two phase, the last one at 0
- Network Frequency: 0 to 400 Hz
- Maximum Operating Temperature: 140 Degrees F
Specifications
| Part Number | LR2D3557 |
| Brand | Schneider Electric |
| Auxiliary Contact Form | 1NC/1NO |
| Minimum Overload Relay Current Setting | 37 A |
| Maximum Overload Relay Current Setting | 50 A |
| Trip Class | 20 |
| Overload Protection Type | Thermal |
| Depth | 121 mm |
| Width | 75 mm |
| Height | 100 mm |
| Item | Thermal Overload Relay |
| Maximum Voltage Rating | 1000 V |
| Standards | EN/IEC 60947-4-1 || EN/IEC 60947-5-1 || UL 60947-4-1 || UL 60947-5-1 || CSA C22.2 No 60947-4-1 || CSA C22.2 No 60947-5-1 |
| Ambient Air Temperature For Storage | -60-70°C |
| Range | TeSys |
| Flame Retardance | V1 conforming to UL 94 |
| Network Type | DC || AC |
| Associated Fuse Rating | 4 A gG signalling circuit || 4 A BS signalling circuit |
| Product Compatibility | LC1D80 || LC1D95 |
| Product Or Component Type | differential thermal overload relay |
| Permissible Current | 0.72 A 500 V AC-15 signalling circuit || 0.06 A 440 V DC-13 signalling circuit |
| Product Certifications | IEC || UL || CSA || EAC || DNV-GL || LROS (Lloyds register of shipping) || UKCA |
| Relay Application | motor protection |
| Device Short Name | LR2D |
| Tightening Torque | control circuit 1.7 N.m screw clamp terminals || power circuit 9 N.m screw clamp terminals |
| Climatic Withstand | IACS E10 |
| Dielectric Strength | 2.2 kV 50 Hz IEC 60947-1 |
| Product Name | TeSys LRD || TeSys Deca |
| Connections - Terminals | power circuit screw clamp terminals 1 4-35 mm² flexible without cable end || power circuit screw clamp terminals 1 4-35 mm² flexible with cable end || power circuit screw clamp terminals 1 4-35 mm² solid without cable end || control circuit screw clamp terminals 2 1-2.5 mm² flexible without cable end || control circuit screw clamp terminals 2 1-2.5 mm² flexible with cable end || control circuit screw clamp terminals 2 1-2.5 mm² solid without cable end |
| Tripping Threshold | 1.14 +/- 0.06 Ir IEC 60947-4-1 |
| Ambient Air Temperature For Operation | -20-60°C without derating IEC 60947-4-1 |
| Mechanical Robustness | vibrations6 Gn IEC 60068-2-6 || shocks15 Gn for 11 ms IEC 60068-2-7 |
| Control Type | Red push-button stop || Blue push-button reset |
| Phase Failure Sensitivity | tripping current 130 % of Ir on two phase, the last one at 0 |
| Network Frequency | 0 to 400 Hz |
| Thermal Overload Class | class 20 IEC 60947-4-1 |
| Thermal Protection Adjustment Range | 37-50 A |
| Conventional Free Air Thermal Current | 5 A signalling circuit |
| Mounting Style | plate, with specific accessories || rail, with specific accessories || under contactor |
| Maximum Operating Temperature | 140 Degrees F |
| Rated Insulation Voltage | power circuit 600 V CSA || power circuit 600 V UL || power circuit 690 V IEC 60947-4-1 |
| IP Rating | IP20 |
| Minimum Operating Temperature | -4 Degrees F |
| Rated Operational Voltage | 1000 V AC 0 to 400 Hz power circuit IEC 60947-4-1 |
| Trip Clss | 20 |
Description
The Schneider Electric LR2D3557 is a differential thermal overload relay. This type of relay protects motors and other equipment from damage caused by excessive current by using a bimetallic strip to open a circuit when an overload condition occurs. It has a maximum voltage rating of 1000 V and complies with EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, and CSA C22.2 No 60947-5-1 standards.
Shipping
| Shipping | This item ships to USA |
Processing Time:
All orders at Pro Replacement Parts are processed and shipped within 1-2 business days. For orders placed before 12 PM EST, we offer same-day shipping whenever possible. We aim to ensure that your order reaches you as quickly as possible.
Delivery Timeframe:
Most orders are delivered within 3–5 business days via UPS Ground. This is an estimated delivery timeframe, not a guarantee. Timing can vary by product availability, destination, holidays, weather, and carrier delays. Freight shipments may take longer.
Expedited Shipping:
UPS 2nd Day Air is available for eligible orders at checkout. Rates and estimated delivery dates are calculated at checkout. Two-business-day transit begins after shipment; processing time still applies.
Shipping Methods:
- Items exceeding 50” in width or 70 lbs in weight are shipped via Freight Carrier. You will be contacted by the carrier to schedule a delivery time.
- Items under 50” in width and 70 lbs in weight will be shipped via UPS or FedEx as a small package service.
Freight Shipments:
Freight shipments are delivered curbside in residential areas. You may need assistance to move the package indoors, or you can unbox the shipment and carry each piece inside individually. While some drivers may help move a shipment into a garage or carport, this is not guaranteed. For Inside Delivery requests, please contact us at the time of your order (additional fees apply). Email: support@proreplacementparts.com
Inspection and Damage:
Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.
Order Cancellations:
All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.
Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.
Why Buy From Us?
Wide Selection of Brands: At our store, you'll find an extensive range of electric motors from top brands in the industry. We carefully select our inventory to ensure that you have access to the best and most reliable products on the market. Whether you need a motor for an industrial machine, a household appliance, or a specialized project, we have something for everyone.
Customer-Centric Service: We believe in putting our customers first. Our team is committed to providing you with personalized service and support throughout your buying journey. From helping you choose the right motor for your needs to answering any queries you have after purchase, we're here to assist you every step of the way.
Competitive Pricing: We strive to offer our high-quality electric motors at competitive prices. Our goal is to provide you with the best value, ensuring that you get a top-performing motor without breaking the bank. Plus, our regular deals and promotions mean that you can save even more when you shop with us.
Reliable Shipping and Handling: While we don't offer same-day shipping, we understand the importance of timely delivery. That's why we work with reliable shipping partners to ensure that your order is processed, shipped, and delivered efficiently. You can trust us to get your electric motor to you in excellent condition and within a reasonable timeframe.
Knowledgeable Support: Our team is knowledgeable about the wide range of electric motors we offer. We can provide you with detailed information and specifications for each product, helping you make an informed decision. If you have any questions or need advice, our experts are just a call or email away.
Warranty/Returns
Your purchase is covered by the Manufacturer’s Limited Warranty.
For return/refund information, please visit our Returns & Refunds page.
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