Product Overview
The GDM3-125 AC Molded Case Circuit Breaker (MCCB) is a high-performance protection device designed for AC power distribution systems.
Available in 3-pole and 4-pole configurations, it provides reliable overload, short-circuit, and isolation protection for industrial panels, motor control systems, and electrical cabinets.
With its rated current of 125A and operating voltage up to 690V AC, this MCCB ensures safe and efficient operation in a wide range of applications. It’s ideal for panel-mounted or DIN rail installations, making it suitable for both OEM and retrofit projects.
Product Features
- ⚙️ High Protection Performance: Offers overload and short-circuit protection, ensuring reliable safety for electrical equipment.
- 🔋 Wide Voltage Range: Supports 400V/690V AC power systems, ideal for industrial and commercial networks.
- 🧱 Compact, Modular Design: Space-saving molded case for panel-mount or DIN rail installation.
- 🔌 Flexible Configuration: Available in 3-pole (3P) and 4-pole (4P) versions for single or three-phase systems.
- 🧩 High Breaking Capacity: Engineered to handle heavy electrical loads and fault currents effectively.
- 🌍 Durable Construction: Made from flame-retardant, impact-resistant materials for long service life.
Technical Specifications
| Parameter | Description |
|---|---|
| Model | GDM3-125 |
| Type | AC Molded Case Circuit Breaker |
| Rated Current | 125A |
| Rated Voltage | 400V / 690V AC |
| Poles | 3P / 4P |
| Breaking Capacity | Up to 25kA |
| Mounting Type | Panel Mount / DIN Rail |
| Trip Unit | Thermal-Magnetic |
| Frequency | 50/60Hz |
| Operating Temperature | -25°C ~ +55°C |
| Compliance | IEC 60947-2 |
Applications
The GDM3-125 MCCB is designed for dependable circuit protection in AC distribution networks across industrial and commercial settings.
Typical Applications Include:
- Power distribution in industrial control panels
- Motor and generator protection systems
- Building electrical distribution and lighting systems
- Machinery and equipment protection
- OEM switchboards and electrical cabinets
Why Choose Us
As a professional MCCB manufacturer and exporter, we deliver reliable circuit protection products for global electrical markets.
We focus on safety, durability, and performance, supporting OEM and ODM customization for diverse industrial needs.
Our Advantages:
- ISO-certified manufacturing and strict quality control
- Support for custom current/voltage configurations
- Competitive pricing and fast delivery times
- Technical expertise in AC circuit protection
- Global export experience with OEM/ODM services
Partner with a trusted electrical protection solutions provider for high-quality MCCBs and fuse systems.
FAQ
What is the Minimum Order Quantity (MOQ)?
The MOQ for the GDM3-125 MCCB is typically 50 units. Bulk or OEM orders are negotiable.
Is the GDM3-125 available in both 3-pole and 4-pole versions?
Yes. This MCCB can be supplied in 3P or 4P configurations depending on your system requirements.
Can it be mounted on a DIN rail?
Yes. The GDM3-125 supports both panel-mount and DIN rail installation, offering flexible mounting options.
How long is the delivery time?
Standard production and delivery take approximately 10–15 working days, depending on order size.
Do you offer OEM branding or custom labeling?
Yes, OEM and ODM customization options are available, including logo printing and parameter adjustment.
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