PLCs, Power Supplies & Others

Overview

The ABB CMA123 Synpol D 3DDE300403 PCB Card supports fast and stable signal processing in medium-scale industrial control cabinets. I highlight its strong 63A contact rating because many field engineers require reliable high-current switching during demanding operations. Moreover, the board uses a streamlined circuit layout that improves heat dissipation and maintains consistent electrical performance.

Functional Characteristics

I appreciate how the CMA123 manages 24 V DC systems efficiently, since this voltage standard appears across most ABB Synpol D platforms. Its 10 A current rating allows engineers to integrate the board into power-dense environments while maintaining stable conduction. Furthermore, its 2.5 V voltage drop keeps energy loss low, which ensures that connected loads receive predictable and steady power levels.

Switching & Response Performance

The 3DDE300403 card delivers a rapid 10 ms switching time, and this speed benefits protection loops, alarm circuits, and fast-acting relay interfaces. I value its long service life of up to 100,000 operations because this durability reduces downtime and supports continuous-duty applications in factories, substations, and marine automation systems.

Mechanical Design

The CMA123 PCB Card follows ABB’s Synpol D form factor, so technicians can install or replace it quickly without modifying cabinet hardware. Its compact footprint improves internal cable routing, while its rigid board structure ensures strong resistance to vibration and shock. Additionally, the card uses high-quality copper traces that help maintain low electrical resistance during long operating cycles.

Applications

The ABB CMA123 PCB Card works effectively in power distribution cabinets, generator control systems, turbine panels, and emergency shutdown units. Its robust switching capability suits circuits that require precise timing and reliable continuity. Because many industrial sites handle variable environmental conditions, the card’s strong endurance helps maintain long-term system stability.

Technical Specifications

Dimensions & Weight

• Dimensions: 10.2 × 17.8 × 2.5 cm
• Weight: 0.12 kg

Country of Origin

• Origin: Sweden

Details