TeSys LRD thermal overload relays – 37…50 A – class 20
LRD350L is a TeSys LRD thermal overload relay from Schneider Electric to be used with a TeSys D contactor. It protects motors 22kW@400V thanks to a thermal range 37-50A, a tripping class 20 and phase unbalance protection. LRD350L is a TeSys LRD thermal overload relay from Schneider Electric for direct mounting on TeSys D contactors. With a thermal setting range 37-50A, a tripping class 20 and phase unbalance detection, it protects motors 22kW@400V. It provides manual test & reset buttons, automatic reset, trip auxiliary contact and flag indicator. Available worldwide, it is multi-standards certified (IEC, UL, CSA, CCC, EAC, Marine) and Green Premium compliant (RoHs/Reach). Thermal overload protection relay, bimetallic type, with phase unbalance protection (differential). Direct mounting on the bottom terminals of a Tesys contactor LC1D40A-D65A to form a compact starter. Light and compact, 55mm wide. Temperature compensated for a good accuracy of the protection. Manual control with test & reset buttons, manual / automatic reset selector. Trip signaling with 1NO+1NC auxiliary contacts and trip flag indicator. Can be completed with terminal blocks for separate mounting (LAD7B, LAD96) and remote control devices (LAD703, LA7D03).
Add to Quote CatalogueSpecifications
| Part Number | LRD350L |
|---|---|
| Country of Origin | FR |
| UPC | 785901952503 |
| UPC11 | 78590195250 |
| EAN | 3389119215572 |
| Availability | S |
| Lead Time | 33 |
| UNSPSC | 39122330 |
| ECCN | EAR99 |
| HTs Code | 8536490075 |
| Prop 65 | This product can expose you to chemicals including: Antimony oxide & Antimony trioxide which is known to the State of California to cause Carcinogen harm. For more information go to www.p65warnings.ca.gov |
| RoHS Compliant | Yes |
| Discount Schedule | I12 |
| Return Indicator | Yes |
| Depth | 4.84 inch |
| Height | 2.76 inch |
| Width | 2.17 inch |
| Weight | 0.83 pound |
Characteristics
| Range | TeSys |
|---|---|
| Product Name | TeSys LRD |
| Product Or Component Type | Differential thermal overload relay |
| Device Short Name | LRD |
| Relay Application | Motor protection |
| Product Compatibility | LC1D50A LC1D65A LC1D40A |
| Network Type | AC DC |
| Thermal Protection Adj Range | 37…50 A |
| Ui Rated Insulation Voltage | Power circuit 600 V CSA Power circuit 600 V UL Power circuit 690 V IEC 60947-4-1 |
| Network Frequency | 0...400 Hz |
| Mounting Support | Plate, with specific accessories Rail, with specific accessories Under contactor |
| Tripping Threshold | 1.14 +/- 0.06 Ir IEC 60947-4-1 |
| Ith Cnvtl Free Air Therm Crrt | 5 A signalling circuit |
| Permissible Current | 3 A 120 V AC-15 signalling circuit 0.22 A 125 V DC-13 signalling circuit |
| Ue Rated Operational Voltage | 690 V AC 0...400 Hz |
| Uimp Rated Imp Wstd 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 | -4…140 °F (-20…60 °C) |
| Connections - Terminals | Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible without cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible with cable end Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) solid without cable end Power circuit EverLink BTR screw connectors 1 0.00…0.05 in² (1…35 mm²) flexible without cable end Power circuit EverLink BTR screw connectors 1 0.00…0.05 in² (1…35 mm²) flexible with cable end Power circuit EverLink BTR screw connectors 1 0.00…0.05 in² (1…35 mm²) solid without cable end |
| Tightening Torque | Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 44.25 lbf.in (5 N.m) EverLink BTR screw connectors |
| Height | 2.76 in (70 mm) |
| Width | 2.17 in (55 mm) |
| Depth | 4.84 in (123 mm) |
| Product Weight | 0.83 lb(US) (0.375 kg) |
| Protective Treatment | TH IEC 60068 |
| IP Degree Of Protection | IP20 IEC 60529 |
| Ambient Air Temp For Op | -4…140 °F (-20…60 °C) without derating IEC 60947-4-1 |
| Ambient Air Temp For Storage | -76…158 °F (-60…70 °C) |
| Flame Retardance | V1 UL 94 |
| Mechanical Robustness | Shocks15 Gn for 11 ms IEC 60068-2-7 Vibrations4 gn IEC 60068-2-6 |
| Dielectric Strength | 6 kV 50 Hz IEC 60255-5 |
| Standards | ATEX D 94/9/CE EN 60947-4-1 CSA C22.2 No 14 EN 60947-5-1 UL 508 IEC 60947-4-1 IEC 60947-5-1 |
| Product Certifications | CSA UL ATEX INERIS ABS EAC |
| Category | 22347 - CONTACTOR,D-LINE,OVERLOADS-NEW |
| Discount Schedule | I12 |
| GTIN | 00785901952503 |
| Nbr. Of Units In Pkg. | 1 |
| Country Of Origin | FR |
| Green Premium Status | Green Premium product |
| REACh Free Of SVHC | Yes |
| EU RoHs Directive | Compliant |
| Toxic Heavy Metal Free | Yes |
| Mercury Free | Yes |
| Warranty | 18 months |
