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HIMEL THERMAL OVERLOAD RELAY – HDR3S SERIES
Category : Thermal Overload Relays
The Himel HDR3s thermal overload relay is designed to protect electric motors against prolonged overload conditions and phase imbalances. Used together with contactors, the relay helps improve system reliability while extending equipment lifespan.
*Confirm the motor full-load current, contactor frame and required trip characteristics before ordering.
- Local Singapore stock
- Authorised distributor
- As-built docs
- Same-day response
Typical applications in Singapore
Motor Protection
Motor Control Centres
Industrial Machinery
Pumps
Compressors
Conveyors
Key specifications (indicative)
| Protection type | Thermal motor-overload protection |
|---|---|
| Current setting | Adjustable within the selected relay range |
| Phase-loss response | Phase-failure sensitivity |
| Reset modes | Manual and automatic reset |
| Trip class | Model-dependent motor-protection characteristics |
| Compatibility | Designed for coordination with Himel contactors |
Confirm the motor full-load current, contactor frame and required trip characteristics before ordering.
Highlights & Features
- Adjustable current settings enable accurate motor protection.
- Phase-loss detection improves operational safety.
- Manual and automatic reset options increase operational flexibility.
- Compact construction simplifies installation within control panels.
- Coordinated operation improves protection-system performance.
- Helps reduce equipment downtime and maintenance costs.
Need the HDR3s on your project?
Send Jason the motor rating, voltage, phase, quantity and application. We'll confirm the exact model, check stock and get a quotation back — same business day.
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