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EMAS HJ21A25UN EMAS RESET+KEY+1SIGNAL BOX.BUT. W THER.REL. CON. 7,3-10,2A
EMAS HJ21A25UN enclosed DOL starter with 25 A contactor, 7.30-10.20 A thermal overload relay, rocker switch, reset button, pilot indicator and 220-230 V AC 50/60 Hz control voltage for industrial motor control.
£99.46
EMAS HJ21A25UN Contactor in Box with Thermal Relay 7.30-10.20A
Product Overview
The EMAS HJ21A25UN is an enclosed motor starter from the EMAS HJ Series, combining a 25A contactor with an integrated thermal overload relay for dependable motor switching and protection. Designed for industrial motor control applications, this compact unit includes a rocker switch, reset button, and pilot indicator for convenient local operation.
Featuring a 220-230V AC control voltage, AC-3 utilisation category, and an adjustable thermal protection range of 7.30A to 10.20A, the HJ21A25UN provides a complete motor control solution for automation equipment, machinery, pumps, and industrial electrical installations.
Key Features of the EMAS HJ21A25UN
- Manufacturer: EMAS
- Model: HJ21A25UN
- HJ Series enclosed contactor with thermal overload relay
- 25A contactor rating
- Thermal relay adjustment range: 7.30A-10.20A
- Operating voltage: 220-230V AC, 50-60Hz
- Includes rocker switch, reset button, and pilot indicator
- AC-3 motor switching category
- Temperature compensated thermal protection
- Compact enclosed design for industrial applications
Applications
The EMAS HJ21A25UN is suitable for industrial applications requiring reliable motor control and overload protection, including:
- Industrial automation systems
- Motor control panels
- Pumps and compressors
- Manufacturing machinery
- Production line equipment
- HVAC and ventilation systems
- Electrical control installations
Why Choose the EMAS HJ21A25UN?
The EMAS HJ21A25UN combines contactor switching, thermal overload protection, and local control functions into a single enclosed starter unit. Its integrated design reduces installation requirements while providing reliable protection and convenient operation for industrial motor applications.
Technical Specifications
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| Power | 4 kW | |
|---|---|---|
| Current | 2 A | |
| Voltage | 230 V | |
| Phase | Three Phase | |
| IP Rating | IP30 | |
| Coil / Supply Voltage | 220 V AC, 230 V AC | |
| Series | HJ Series | |
| Product type | Enclosed DOL starter / contactor with thermal relay | |
| Contactor rating | 25 A | |
| Thermal relay range | 7.30-10.20 A | |
| Control voltage | 220-230 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated power | approx. 4 kW | |
| Usage category | AC-3 | |
| Short-circuit breaking capacity | Ics 50 kA | |
| Mechanical life | minimum 100,000 operations | |
| Electrical life | minimum 100,000 operations | |
| Operating frequency | 600 mechanical / 600 electrical operations per hour | |
| Protection rating | IP30 | |
| Operating temperature | -5 to +40 °C | |
| Pollution degree | 3 | |
| Cable section | 2.5 mm² | |
| Screw torque | 1.8 Nm | |
| Enclosure | With rocker switch, reset button and pilot indicator | |
| Application | Three-phase motor starting and protection |
Frequently Asked Questions
What is the EMAS HJ21A25UN used for?
The EMAS HJ21A25UN is used for starting, switching, and protecting electric motors in industrial automation and machinery applications.
What is the thermal relay range of the HJ21A25UN?
The thermal overload relay adjustment range is 7.30A to 10.20A.
What is the contactor rating of the EMAS HJ21A25UN?
The EMAS HJ21A25UN features a 25A contactor rating.
What controls are included with this motor starter?
The unit includes a rocker switch, reset button, and pilot indicator for convenient local operation.
