LRD350 - TeSys LRD Thermal Overload Relay 37-50A Class 10A
Schneider LRD350, TeSys LRD Thermal Overload Relay 37-50A Class 10A. Category: TeSys Deca overload relays. Request a quote for price and lead time.
- Reference:LRD350
- Manufacturer / Brand:Schneider
- Availability:On Request / Inquire Stock
- Price:111.00 EUR (Request a quote)
Key Specifications
- Range
- TeSys; TeSys Deca
- Product Name
- TeSys LRD; TeSys Deca
- Product Or Component Type
- Differential thermal overload relay
- Device Short Name
- LRD
Product Description
TeSys LRD thermal overload relay, 50A/690V, thermal setting range 37-50A, tripping class 10A, for protection of 3-phase motors 22kW@400V. Differential device with phase failure (loss). It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by EverLink BTR screw terminals , it connects directly to the bottom terminals of 3-pole contactors LC1D40A-D80A. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD96560 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, Marine).
Key Features
- "Tesys Deca thermal overload relays are designed to protect a.c. circuits and motors against overloads."
- "New modern look & feel of all machines"
- "Easier to install and operate with multi-standard screws"
- "Digital customer experience for technical documents"
- "Maintenance guide via EcoStruxureTM Facility Expert"
Technical Specifications
Main10
| Range | TeSys; TeSys Deca |
|---|---|
| Product Name | TeSys LRD; TeSys Deca |
| 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 Overload Class | Class 10A conforming to IEC 60947-4-1 |
| 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 |
Complementary18
| 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 |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| [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 for power circuit conforming to IEC 60947-4-1 |
| Associated Fuse Rating | 4 A gG for signalling circuit; 4 A BS for signalling circuit |
| [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 ca |
| 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 |
Environment9
| Climatic Withstand | conforming to IACS E10 |
|---|---|
| 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 | 1.89 kV at 50 Hz conforming to IEC 60947-1 |
| 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; EN 50495 |
| Product Certifications | IEC; UL; CSA; CCC; EAC; DNV-GL; RMRS; EU-RO MR; LROS (Lloyds register of shipping); ATEX INERIS; UKCA |
Packing Units18
| Unit Type Of Package 1 | PCE |
|---|---|
| Number Of Units In Package 1 | 1 |
| Package 1 Height | 6.400 cm |
| Package 1 Width | 10.500 cm |
| Package 1 Length | 13.700 cm |
| Package 1 Weight | 394.000 g |
| Unit Type Of Package 2 | S02 |
| Number Of Units In Package 2 | 13 |
| Package 2 Height | 15.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 5.504 kg |
| Unit Type Of Package 3 | P06 |
| Number Of Units In Package 3 | 208 |
| Package 3 Height | 77.000 cm |
| Package 3 Width | 80.000 cm |
| Package 3 Length | 60.000 cm |
| Package 3 Weight | 96.564 kg |
Logistical informations1
| Country Of Origin | FR |
|---|
Contractual warranty1
| Warranty (in Months) | 18 |
|---|
Documents and Downloads
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