Core Capabilities
Key Features
Standards Alignment
Built around IEC60947-3 requirements for solar DC applications
DC Ratings
Supports 1200V DC with current options 10A-32A
Protection Design
Configured for IP66 service conditions in solar installation environments
Standard
IEC60947-3
Product Brief
Overview
TDDH3 belongs to the solar dc isolator switch range for solar energy system applications. The model is built around IEC60947-3 requirements with operating references of 1200V DC and current options 10A-32A Installation considerations include standard field mounting practices and protection characteristics such as IP66
- Standards Alignment
- DC Ratings
- Protection Design
Selection
Selection / Use Cases
Use this MCCB when:
PV Distribution
Used where photovoltaic DC-side protection and coordination are required.
Remote Visibility
Fits projects that require monitoring feedback for operation and maintenance.
Project Compliance
Suitable when enclosure and compliance constraints must be reviewed early.
- Confirm DC system voltage requirement against the model reference range: 1200V DC.
- Match string or circuit current demand to the available rating set: 10A-32A.
- Check installation environment against the protection level requirement: IP66.
Technical Data
Technical Specs
| Standard | IEC60947-3 |
|---|---|
| Auxiliary Standard | AS/NZS60947.3: 2015 |
| Utilization Category | DC-PV1, DC-PV2, DC-21B |
| Protection Grade | IP66 |
| Rated Operating Voltage Ue (V) | 1200V DC |
| Rated Current Options | 10A, 16A, 20A, 25A, 32A |
| Rated Operating Current Ie (A) | 10A-32A |
| Housing | UV-resistant housing |
| Disconnect Time | About 2ms |