GDC3-63 AC MCB Overview
The GDC3-63 AC MCB is designed for overload and short-circuit protection in low-voltage AC distribution systems. The GDC3-63 AC MCB is suitable for AC 50Hz/60Hz applications with rated voltage up to 240/415V and rated current from 1A to 63A. It can also be used for non-frequent switching under normal operating conditions.
This GDC3-63 AC MCB is available in 1P, 2P, 3P and 4P configurations, allowing it to meet different installation and circuit protection requirements. With a 6kA breaking capacity, the GDC3-63 AC MCB is suitable for residential, commercial and light industrial power distribution systems.
The product complies with IEC/EN60898-1 and features a contact position indicator, helping users identify operating status more easily during daily use and maintenance. Its compact modular design supports 35mm DIN rail mounting, making the GDC3-63 AC MCB convenient for panel builders, distributors and OEM buyers.
Product Features
The GDC3-63 AC MCB provides a rated breaking capacity of 6000A, helping protect circuits against overload and short-circuit faults.
The GDC3-63 AC MCB is available in a full range of current ratings, including 1A, 2A, 3A, 4A, 5A, 6A, 8A, 10A, 16A, 20A, 25A, 32A, 40A, 50A and 63A.
This GDC3-63 AC MCB series is offered in:
- 1P
- 2P
- 3P
- 4P
These options make the GDC3-63 AC MCB suitable for different single-phase and multi-pole AC protection systems.
The GDC3-63 AC MCB supports B, C and D tripping characteristics, giving buyers more flexibility for residential loads, commercial loads and circuits with higher inrush current.
The GDC3-63 AC MCB is designed for installation on 35mm DIN rail (EN/IEC 60715), making wiring and replacement more convenient.
A clear contact position indicator helps users quickly check operating status, improving maintenance efficiency.
The GDC3-63 AC MCB can be combined with accessories such as:
- Auxiliary contact
- Alarm contact
- Shunt release
- Under voltage release
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | GA&DA |
| Model | GDC3-63 |
| Product Type | AC Miniature Circuit Breaker |
| Rated Current | 1A to 63A |
| Pole Options | 1P / 2P / 3P / 4P |
| Rated Voltage (Ue) | 240/415V~ |
| Insulation Voltage (Ui) | 500V |
| Rated Frequency | 50/60Hz |
| Rated Breaking Capacity | 6kA |
| Rated Impulse Withstand Voltage (Uimp) | 4kV |
| Dielectric Test Voltage | 2kV |
| Tripping Curve | B / C / D |
| Standard | IEC/EN60898-1 |
| Electrical Life | 4000 operations |
| Mechanical Life | 10000 operations |
| Protection Class | IP20 |
| Ambient Temperature | -5°C to +40°C |
| Storage Temperature | -25°C to +70°C |
| Terminal Connection | Cable / U-type busbar / Pin-type busbar |
| Max. Connecting Capacity | 25mm² |
| Tightening Torque | 3.0N·m |
| Mounting | 35mm DIN Rail |
| Connection | Top and bottom |
Dimension Figure
Available Models
The GDC3-63 AC MCB is available in multiple versions, including:
- GDC3-63 1P
- GDC3-63 2P
- GDC3-63 3P
- GDC3-63 4P
Each pole version can be matched with different current ratings and B, C or D curves according to application requirements.
Applications
The GDC3-63 AC MCB is widely used in low-voltage AC distribution systems that require reliable circuit protection.
Typical applications include:
- Residential distribution boards
- Commercial electrical panels
- Office buildings
- Small industrial control panels
- Lighting circuits
- Socket and branch circuits
- HVAC control circuits
- OEM electrical assemblies
- Equipment protection panels
For distributors and panel builders, the GDC3-63 AC MCB is a practical product family because it covers multiple current ratings, pole options and curve types within one series.
Why Choose GA&DA GDC3-63?
The GDC3-63 AC MCB combines compact design, flexible configuration and dependable circuit protection performance.
Key advantages include:
- 6kA short-circuit breaking capacity
- 1A to 63A current range
- 1P, 2P, 3P and 4P options
- B, C and D curve selection
- IEC/EN60898-1 compliance
- Contact position indication
- DIN rail mounting design
- Compatible with practical accessories
- Suitable for residential, commercial and light industrial use
- Convenient for distributor stock and OEM purchasing
GA&DA can support bulk orders, OEM cooperation and project procurement for the GDC3-63 AC MCB series.
FAQ
What is the breaking capacity of the GDC3-63 AC MCB?
The GDC3-63 AC MCB has a rated breaking capacity of 6kA.
What current ratings are available for the GDC3-63 AC MCB?
The GDC3-63 AC MCB is available from 1A to 63A, including common ratings such as 6A, 10A, 16A, 20A, 32A, 40A, 50A and 63A.
What pole options does the GDC3-63 AC MCB offer?
The GDC3-63 AC MCB is available in 1P, 2P, 3P and 4P versions.
Which tripping curves are available?
This GDC3-63 AC MCB series supports B, C and D curves.
What standard does the GDC3-63 AC MCB comply with?
The GDC3-63 AC MCB complies with IEC/EN60898-1.
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