Description
HIMEL HDR3S2518 Thermal Overload Relay
HDR3s-25 Thermal Overload Relay with 12–18A Adjustable Current Range for Motor Protection
Product Overview
The HIMEL HDR3S2518 Thermal Overload Relay is designed to protect three-phase electric motors against overload, phase failure, and current imbalance.
With an adjustable current setting range of 12–18A, this relay provides dependable motor protection while improving equipment reliability and extending motor life.
The HDR3s-25 series is designed for direct mounting with HIMEL contactors and features both manual and automatic reset functions.
Key Features
- Original HIMEL Thermal Overload Relay
- Adjustable current range: 12–18A
- Suitable for 18A–38A contactors
- Overload protection
- Phase failure protection
- Manual / Automatic reset
- Trip indication window
- Test and Stop buttons
- Rated insulation voltage: 690V
- Protection degree: IP20
- Complies with IEC 60947-4-1
Applications
- Motor starters
- Industrial control panels
- Pumps
- Compressors
- HVAC systems
- Industrial automation
Technical Specifications
| Specification | Value |
|---|---|
| Brand | HIMEL |
| Model | HDR3S2518 |
| Product Type | Thermal Overload Relay |
| Series | HDR3s-25 |
| Current Setting Range | 12–18A |
| Suitable Contactor Size | 18A–38A |
| Number of Poles | 3 Pole |
| Protection Type | Overload & Phase Failure Protection |
| Reset Type | Manual / Automatic |
| Rated Insulation Voltage | 690V |
| Protection Degree | IP20 |
| Standard | IEC 60947-4-1 |
📄 Product Datasheet
Download the official HIMEL HDR3S2518 datasheet for complete technical specifications, installation instructions, dimensions, certifications, and performance information.





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