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LRD3322 SCHNEIDER
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The LRD3322 is a differential thermal overload relay from the TeSys Deca range, designed for motor protection. It offers an adjustable current range of 17–25 A, class 10A trip curve, and features phase-failure sensitivity for reliable safety. Compatible with LC1D80 and LC1D95 contactors, it includes 1 NO + 1 NC auxiliary contacts for control and signaling.
Compact, robust, and easy to mount on plate, rail, or directly under contactors, it ensures dependable motor protection in industrial applications.
SKU: EL-01-004
Product Code: LRD3322
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The LRD3322 is a differential thermal overload relay from the TeSys Deca range, designed for motor protection. It offers an adjustable current range of 17–25 A, class 10A trip curve, and features phase-failure sensitivity for reliable safety. Compatible with LC1D80 and LC1D95 contactors, it includes 1 NO + 1 NC auxiliary contacts for control and signaling. Compact, robust, and easy to mount on plate, rail, or directly under contactors, it ensures dependable motor protection in industrial applications.
| Specification | Value |
|---|---|
| Product | Schneider Electric TeSys Deca Thermal Overload Relay |
| Model | LRD3322 |
| Application | Motor protection |
| Thermal Overload Class | Class 10A (IEC 60947-4-1) |
| Adjustment Range | 17 … 25 A |
| Rated Insulation Voltage (Ui) | 1000 V (IEC), 600 V (UL/CSA) |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Tripping Threshold | 1.14 ± 0.06 Ir (IEC 60947-4-1) |
| Auxiliary Contacts | 1 NO + 1 NC |
| Conventional Free Air Thermal Current (Ith) | 5 A (signalling circuit) |
| Permissible Current | 0.72 A (500 V AC-15), 0.06 A (440 V DC-13) |
| Phase Failure Sensitivity | Trips at 130% Ir on 2 phases |
| Operating Temperature | -20 °C … +60 °C |
| Storage Temperature | -60 °C … +70 °C |
| Protection | IP20 (IEC 60529) |
| Mounting | Under contactor, plate, or rail (with accessories) |
| Dimensions (W x H x D) | 70 mm x 81 mm x 115 mm |
| Weight | 0.51 kg |
| Standards | IEC 60947-4-1, IEC 60947-5-1, UL 60947-4-1, CSA, GB/T, EN 50495 |
| Certifications | CE, UL, CSA, CCC, EAC, ATEX INERIS, UKCA |