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- Schneider Electric LRD01 TeSys Deca Thermal Overload Relay 0.1-0.16 A Class 10A 1NO+1NC Relay Schneider Electric LRD01 TeSys Deca Thermal Overload Relay 0.1-0.16 A Class 10A 1NO+1NC Relay
Schneider Electric LRD01 TeSys Deca Thermal Overload Relay 0.1-0.16 A Class 10A 1NO+1NC Relay
Schneider Electric LRD01 TeSys Deca Thermal Overload Relay 0.1-0.16 A Class 10A 1NO+1NC Relay
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- Description
The Schneider Electric LRD01 is a TeSys LRD bimetallic thermal overload relay that mounts directly under a TeSys D contactor, with a 0.1-0.16 A adjustment range, a class 10A trip curve, and phase-unbalance (differential) protection for motors under 0.06 kW at 400 V.
Technical Specifications
| Reference | LRD01 |
| Brand | Schneider Electric |
| Range | TeSys / TeSys Deca |
| Product Name | TeSys LRD |
| Device Short Name | LRD |
| Product Type | Differential thermal overload relay |
| Product Compatibility | LC1D09, LC1D12, LC1D18, LC1D25, LC1D32, LC1D38 |
| Thermal Overload Class | Class 10A (IEC 60947-4-1) |
| Thermal Protection Adjustment Range | 0.1…0.16 A |
| Tripping Threshold | 1.14 ± 0.06 Ir (IEC 60947-4-1) |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| [Ue] Rated Operational Voltage (Power Circuit) | 690 V AC |
| [Ith] Conventional Free Air Thermal Current (Signalling) | 5 A |
| [Uimp] Rated Impulse Withstand Voltage | 6 kV |
| Phase Failure Sensitivity | Trip at 130% of Ir with one phase at 0 |
| Temperature Compensation | -20…60 °C |
| Mounting Support | Plate, rail with accessories, or under contactor |
| IP Degree of Protection | IP20 (IEC 60529) |
| Ambient Air Temperature for Operation | -20…60 °C (without derating, IEC 60947-4-1) |
| Net Weight | 0.124 kg |
Certifications & Standards
- IEC
- UL
- CSA
- CCC
- EAC
- BV
- RINA
- DNV-GL
- UKCA
- IEC 60947-4-1
- IEC 60947-5-1
Selection Notes
Set the 0.1-0.16 A dial to the motor's actual full-load current for loads under 0.06 kW at 400 V; the differential bimetallic element trips on a single-phasing fault without needing the electronic LR9D's dipswitch-selectable class, so pick this relay when a fixed class 10A curve is sufficient and an electronic relay's wider class range is not needed. Temperature compensation keeps the trip point stable across the -20 to 60 °C ambient range, avoiding false trips in hot panels.