Schneider Electric LRD22 TeSys LRD Thermal Overload Relay – 16–24A, Class 10A
The Schneider Electric LRD22 is a TeSys LRD differential thermal overload relay designed for motor protection against thermal overload and phase failure. It provides an adjustable 16–24A thermal protection range with Class 10A characteristics and is compatible with LC1D25, LC1D32 and LC1D38 TeSys D contactors.
Description
The Schneider Electric LRD22 TeSys LRD thermal overload relay provides reliable motor overload protection for industrial motor-control applications. Its adjustable 16–24A current range allows the protection level to be matched to the motor’s operating current, while the Class 10A characteristic provides standardized thermal protection.
The LRD22 overload relay is specifically listed by Farado Engineering for use with LC1D25, LC1D32 and LC1D38 contactors. When combined with a compatible TeSys D contactor, the overload relay forms part of a motor starter assembly and helps protect the motor from excessive current conditions.
The relay provides phase-failure sensitivity, temperature compensation from -20°C to +60°C, and IP20 protection. Schneider Electric describes the TeSys Deca thermal overload relay family as being designed to protect AC circuits and motors against overloads.
| Specification | Details |
|---|---|
| Manufacturer | Schneider Electric |
| Model / Reference | LRD22 |
| Product Range | TeSys LRD / TeSys Deca |
| Product Type | Differential Thermal Overload Relay |
| Application | Motor Protection |
| Thermal Protection Adjustment Range | 16–24A |
| Thermal Overload Class | Class 10A |
| Thermal Class Standard | IEC 60947-4-1 |
| Product Compatibility | LC1D25, LC1D32, LC1D38 |
| Phase Failure Sensitivity | Tripping current 130% of Ir on two phases |
| Temperature Compensation | -20°C to +60°C |
| Operating Temperature | -20°C to +60°C without derating |
| IP Degree of Protection | IP20 |
| IP Standard | IEC 60529 |
| Relay Application | Motor Protection |
| Mercury Free | Yes |
| Product Certifications | RINA, CCC, GOST, DNV, LROS, UL, CSA, BV, ATEX, INERIS, GL |
| Net Weight | 0.124 kg |
| Warranty | 18 months |
Key Features
- 16–24A adjustable thermal protection range
- Class 10A thermal overload protection
- Differential thermal overload relay
- Designed for motor protection
- Protection against motor overload
- Phase failure sensitivity
- Compatible with LC1D25, LC1D32 and LC1D38 contactors
- -20°C to +60°C temperature compensation
- IP20 degree of protection
- Mercury-free construction
- Multiple international certifications
- Suitable for TeSys D motor starter assemblies
- Compact solution for industrial motor control panels
- 18-month warranty listed by Electrical Junction
Applications
The Schneider Electric LRD22 overload relay is suitable for:
- Industrial motor protection
- Motor starter assemblies
- Motor overload protection
- Phase failure protection
- Industrial control panels
- Electrical automation systems
- Pumps and pumping equipment
- Fans and ventilation systems
- Compressors
- Conveyors
- Machine tools
- Manufacturing machinery
- HVAC motor applications
- TeSys D LC1D25, LC1D32 and LC1D38 contactor assemblies
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