Square D TeSys Deca Thermal Overload Relay, 4–6A, Class 10A, LRD10
$137.22
Square D LRD10 TeSys Deca differential thermal overload relay for motor protection. 4–6A adjustment range, Class 10A trip, rated 600V AC/DC. Includes phase unbalance protection, 1 NO + 1 NC auxiliary contacts. Compliant with UL, CSA, and IEC 60947-4-1 standards.
Square D TeSys Deca Thermal Ov...
$137.22
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Overview
The Square D LRD10 is a TeSys Deca differential thermal overload relay designed for three-phase motor protection in industrial control applications. With a thermal adjustment range of 4 to 6 A and a Class 10A trip characteristic per IEC 60947-4-1, this relay provides reliable overload and phase-failure protection for motors across a wide range of operating conditions. Rated up to 600V AC (UL/CSA) and 690V AC (IEC), it mounts directly under TeSys LC1D contactors or on DIN rail with optional accessories.
Features
- Thermal protection adjustment range: 4–6 A (Class 10A per IEC 60947-4-1)
- Phase failure sensitivity: trips at 130% of Ir on two phases when the third is at zero
- Rated insulation voltage: 600V (UL/CSA), 690V (IEC)
- Auxiliary contact composition: 1 NO + 1 NC
- Conventional free-air thermal current [Ith]: 5 A
- Rated impulse withstand voltage [Uimp]: 6 kV
- Temperature compensation: -20°C to +60°C (-4°F to +140°F)
- Red push-button stop / blue push-button reset controls
- Compatible with LC1D09, LC1D12, LC1D18, LC1D25, LC1D32, LC1D38 contactors
- Mounting: direct under-contactor, DIN rail, or panel with accessories
- Green Premium product — RoHS compliant, REACh compliant, mercury free
- 18-month warranty
Specifications
| Model Number | LRD10 |
|---|---|
| Manufacturer | Square D (Schneider Electric) |
| Series | TeSys Deca |
| Product Type | Differential Thermal Overload Relay |
| Relay Application | Motor protection |
| Thermal Adjustment Range | 4–6 A |
| Trip Class | Class 10A (IEC 60947-4-1) |
| Rated Insulation Voltage | 600V AC (UL/CSA), 690V AC (IEC) |
| Network Type | AC / DC |
| Network Frequency | 0–400 Hz |
| Auxiliary Contacts | 1 NO + 1 NC |
| Control Circuit Current [Ith] | 5 A |
| Permissible Current (AC-15) | 3 A @ 120V AC |
| Permissible Current (DC-13) | 0.22 A @ 125V DC |
| Rated Impulse Withstand Voltage | 6 kV |
| Tightening Torque | 1.7 N·m (15.05 lbf·in) |
| Height | 2.60 in (66 mm) |
| Width | 1.77 in (45 mm) |
| Depth | 2.76 in (70 mm) |
| Net Weight | 0.27 lb (0.124 kg) |
| Temperature Compensation | -20°C to +60°C |
| UPC | 78590121323 |
| Standards | EN/IEC 60947-4-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, EN/IEC 60947-5-1 |
| Sold As | Each (EA) |
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