Description
HIMEL HDC31811Q7 Contactor for Motor Switching
3-Pole 18A Motor Contactor, 7.5kW / 10HP at 380/400V AC-3, with 380/400V AC Coil
Product Overview
The HIMEL HDC31811Q7 is a 3-pole contactor from the HIMEL HDC3 series, designed for motor switching and non-reversing motor control applications. It features an 18A rated operational current in AC-3 and a 380/400V AC 50/60Hz control coil.
The contactor is suitable for motors up to 7.5kW (10HP) at 380/400V AC-3 and features integrated 1NO + 1NC auxiliary contacts for control, signaling and interlocking circuits.
Key Features
- HIMEL HDC3 series contactor
- Model: HDC31811Q7
- 3 main poles (3P)
- Rated current: 18A AC-3
- Motor power: 7.5kW / 10HP at 380/400V AC-3
- Coil voltage: 380/400V AC, 50/60Hz
- Auxiliary contacts: 1NO + 1NC
- Utilisation categories: AC-3 / AC-4
- Conventional free-air thermal current: 32A
- Rated insulation voltage: 690V
- IEC 60947-4-1 compliant
- CE, CB and SEMKO certified
Applications
- Motor starting and stopping
- Industrial motor control panels
- Pumps and fans
- Compressors
- Industrial machinery
- Automation and control systems
- Non-reversing motor control
Technical Specifications
| Specification | Value |
|---|---|
| Brand | HIMEL |
| Product Range | HDC3 |
| Model | HDC31811Q7 |
| Product Type | Contactor |
| Application | Non-reversing |
| Poles | 3P |
| Rated Current (In) | 18A |
| Motor Power at 380/400V AC-3 | 7.5kW / 10HP |
| Coil Voltage (Uc) | 380/400V AC, 50/60Hz |
| Auxiliary Contacts | 1NO + 1NC |
| Utilisation Category | AC-3 / AC-4 |
| Thermal Current (Ith) | 32A |
| Rated Insulation Voltage (Ui) | 690V |
| Ie at 380/400V AC-3 | 18A |
| Ie at 660/690V AC-3 | 12A |
| Ie at 380/400V AC-4 | 7.7A |
| Ie at 660/690V AC-4 | 3.8A |
| Motor Power at 660/690V AC-3 | 10kW |
| Motor Power at 380/400V AC-4 | 4kW |
| Motor Power at 660/690V AC-4 | 3.7kW |
| Product Weight | 0.31kg |
| Installation Category | III |
| Pollution Degree | 3 |
| Operating Temperature | -5 to 40°C |
| Average Ambient Temperature | ≤35°C over 24 hours |
| Storage Temperature | -25 to 55°C |
| Operating Altitude | Up to 2000m |
| Protection Degree | IP20 |
| Relative Humidity | 0–50% at 0–40°C; 0–90% at 0–20°C |
| Standard | IEC 60947-4-1 |
| Certifications | CB, CE, SEMKO |
📄 Product Datasheet
Refer to the official HIMEL datasheet for complete technical specifications.
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