CMA 121 | ABB DC/DC Power Supply Card
CMA 121 | ABB DC/DC Power Supply Card
Manufacturer: ABB
Product No.: CMA 121
Condition:1000 in stock
Product Type: POWER SUPPLY CARD
Product Origin: 8506121000047
Payment: T/T, Western Union
Weight: 900g
Shipping port: Xiamen
Warranty: 12 months
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ABB CMA 121 DC/DC Power Supply Card – Precision Power Conversion for Industrial Control Systems
The ABB CMA 121 is a high-performance DC/DC power supply card engineered to deliver stable, reliable power conversion in demanding industrial automation environments. Designed with advanced circuit topology and robust thermal management, this power supply card ensures consistent voltage regulation for critical control systems, PLCs, and distributed I/O modules.
Technical Specifications
- Model: CMA 121
- Manufacturer: ABB
- Type: DC/DC Power Supply Card
- Input Voltage Range: 18-36 VDC
- Output Voltage: 5 VDC / 15 VDC dual output
- Output Current: Up to 6A (5V), 1A (15V)
- Efficiency: >85% at full load
- Operating Temperature: -25°C to +70°C
- Protection Features: Overvoltage, overcurrent, short-circuit, thermal shutdown
- Mounting: DIN rail compatible
- Certifications: CE, UL, cUL
Application Scenarios
The CMA 121 power supply card excels in diverse industrial applications where reliable power distribution is mission-critical:
- Process Automation: Powers distributed control systems (DCS) in chemical, pharmaceutical, and food processing plants
- Manufacturing Lines: Supplies stable voltage to robotic controllers, servo drives, and vision systems
- Energy Management: Supports SCADA systems and remote terminal units (RTUs) in power generation and distribution
- Building Automation: Energizes HVAC controllers, access control panels, and fire safety systems
- Transportation Systems: Provides redundant power for railway signaling and traffic management infrastructure
Innovative Solutions & Key Benefits
Adaptive Load Regulation: The CMA 121 features intelligent load-sensing circuitry that dynamically adjusts output impedance, maintaining voltage stability even during rapid load transients—critical for systems with variable power demands.
Extended MTBF Design: Utilizing industrial-grade capacitors and conformal-coated PCBs, this power supply achieves a mean time between failures (MTBF) exceeding 200,000 hours, reducing maintenance costs and system downtime.
EMI/RFI Hardened: Advanced filtering and shielding techniques ensure compliance with EN 55011 Class A emissions standards, preventing interference with sensitive instrumentation in electromagnetically noisy environments.
Hot-Swap Capability: Field-replaceable design allows maintenance without system shutdown, supporting continuous operation in 24/7 industrial facilities.
Integration & Compatibility
The CMA 121 integrates seamlessly with ABB's Advant and MOD 300 control platforms, as well as third-party systems requiring standardized DC power rails. Its compact form factor and universal mounting options facilitate retrofits in legacy installations while supporting modern modular architectures.
Related ABB Power Solutions
Explore complementary power supply solutions for comprehensive system design:
| Product | Description | Link |
|---|---|---|
| 3BHT300019R1 SA610 | ABB SA610 24V Power Supply Module | View SA610 Power Supply |
| 3BSC610066R1 SD833 | ABB SD833 Redundant Power Supply | View SD833 Power Supply |
| SAFT112POW | ABB Power Module for Industrial Automation | View SAFT112POW Module |
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191
Product Description
ABB CMA 121 DC/DC Power Supply Card – Precision Power Conversion for Industrial Control Systems
The ABB CMA 121 is a high-performance DC/DC power supply card engineered to deliver stable, reliable power conversion in demanding industrial automation environments. Designed with advanced circuit topology and robust thermal management, this power supply card ensures consistent voltage regulation for critical control systems, PLCs, and distributed I/O modules.
Technical Specifications
- Model: CMA 121
- Manufacturer: ABB
- Type: DC/DC Power Supply Card
- Input Voltage Range: 18-36 VDC
- Output Voltage: 5 VDC / 15 VDC dual output
- Output Current: Up to 6A (5V), 1A (15V)
- Efficiency: >85% at full load
- Operating Temperature: -25°C to +70°C
- Protection Features: Overvoltage, overcurrent, short-circuit, thermal shutdown
- Mounting: DIN rail compatible
- Certifications: CE, UL, cUL
Application Scenarios
The CMA 121 power supply card excels in diverse industrial applications where reliable power distribution is mission-critical:
- Process Automation: Powers distributed control systems (DCS) in chemical, pharmaceutical, and food processing plants
- Manufacturing Lines: Supplies stable voltage to robotic controllers, servo drives, and vision systems
- Energy Management: Supports SCADA systems and remote terminal units (RTUs) in power generation and distribution
- Building Automation: Energizes HVAC controllers, access control panels, and fire safety systems
- Transportation Systems: Provides redundant power for railway signaling and traffic management infrastructure
Innovative Solutions & Key Benefits
Adaptive Load Regulation: The CMA 121 features intelligent load-sensing circuitry that dynamically adjusts output impedance, maintaining voltage stability even during rapid load transients—critical for systems with variable power demands.
Extended MTBF Design: Utilizing industrial-grade capacitors and conformal-coated PCBs, this power supply achieves a mean time between failures (MTBF) exceeding 200,000 hours, reducing maintenance costs and system downtime.
EMI/RFI Hardened: Advanced filtering and shielding techniques ensure compliance with EN 55011 Class A emissions standards, preventing interference with sensitive instrumentation in electromagnetically noisy environments.
Hot-Swap Capability: Field-replaceable design allows maintenance without system shutdown, supporting continuous operation in 24/7 industrial facilities.
Integration & Compatibility
The CMA 121 integrates seamlessly with ABB's Advant and MOD 300 control platforms, as well as third-party systems requiring standardized DC power rails. Its compact form factor and universal mounting options facilitate retrofits in legacy installations while supporting modern modular architectures.
Related ABB Power Solutions
Explore complementary power supply solutions for comprehensive system design:
| Product | Description | Link |
|---|---|---|
| 3BHT300019R1 SA610 | ABB SA610 24V Power Supply Module | View SA610 Power Supply |
| 3BSC610066R1 SD833 | ABB SD833 Redundant Power Supply | View SD833 Power Supply |
| SAFT112POW | ABB Power Module for Industrial Automation | View SAFT112POW Module |
© 2025 INDUSTRIAL CONTROL HUB. All rights reserved.
Original Source: https://www.indctrlhub.com
Contact: sales@indctrlhub.com | +0086 18359243191