Excellent PLC
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Product Introduction
The ABB SD834 Power Supply Module (Ordering Code: 3BSC610067R1) is an industrial-grade power solution engineered to deliver stable and continuous 24 VDC output in demanding automation environments. Manufactured by ABB, a world leader in automation and control technologies, the SD834 is a core component in industrial control systems, designed specifically for use with Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), and other automation equipment.
This module features a wide input range (85–265 VAC), natural convection cooling, and a durable metallic enclosure. Its compact size and high reliability make it a favored choice for industries requiring uninterrupted operation, including power generation, chemical processing, and water treatment facilities. With certified compliance to international standards, the SD834 ensures dependable power delivery under rigorous industrial conditions.
Product Parameters
| Parameter | Specification |
|---|---|
| Model | SD834 |
| Ordering Code | 3BSC610067R1 |
| Output Voltage | 24 V DC |
| Output Current | 3.5 A |
| Rated Output Power | 84 W |
| Input Voltage Range | 85–265 V AC |
| Frequency Range | 47–63 Hz |
| Efficiency | ≥ 85% |
| Cooling Method | Natural Convection |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Mounting Type | DIN Rail |
| Protection Features | Overload, Overvoltage, Short Circuit |
| Certifications | CE, UL |
| Ingress Protection | IP20 |
| Enclosure Material | Metal |
| Dimensions (L×W×H) | 127 x 124 x 82 mm |
| Weight | 1.35 kg |
Product Applications
The ABB SD834 is purpose-built for industrial environments where reliability and precision are crucial. Key applications include:
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DCS and PLC power supply systems in ABB 800xA and Symphony Plus architectures
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Process automation in sectors such as oil & gas, petrochemicals, power generation, and paper production
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Field instrumentation such as transmitters, analyzers, and RTUs requiring stable 24 VDC power
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SCADA systems that rely on consistent voltage for remote I/O and communication nodes
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Substation control panels and auxiliary systems in electrical distribution networks
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Water and wastewater treatment plants where equipment must operate in harsh environmental conditions
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Industrial automation cabinets requiring compact, efficient power delivery solutions
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Redundant control systems where uninterrupted power is essential for safety and control integrity
Product Advantages
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High Operational Stability: Ensures consistent voltage with low ripple and noise, suitable for sensitive automation devices
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Wide Input Compatibility: Operates within 85–265 VAC, making it ideal for international use
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DIN Rail Mounting: Simple integration into existing control panels
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Rugged Build Quality: Metal enclosure with IP20 protection for enhanced durability
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Natural Cooling Design: No fans required, reducing mechanical wear and increasing longevity
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Compact and Lightweight: Saves panel space while delivering robust performance (only 1.35 kg, 127x124x82 mm)
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Certified and Compliant: Meets CE and UL standards for global industrial use
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Built-in Safety: Automatically protects against overload, overvoltage, and short circuits
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Low Maintenance: Fanless, sealed design reduces dust ingress and servicing needs
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Seamless System Integration: Fully compatible with ABB industrial automation infrastructure
Frequently Asked Questions (FAQ)
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What is the output voltage and current of the ABB SD834?
The output is 24 VDC at a maximum of 3.5 A. -
What is the ordering code for the SD834 module?
The ordering code is 3BSC610067R1. -
Is the SD834 compatible with ABB 800xA control systems?
Yes, it is specifically designed to work seamlessly with ABB 800xA and Symphony Plus systems. -
What protections are integrated into the SD834?
It includes short circuit, overvoltage, and overload protection mechanisms. -
Does the SD834 require external cooling fans?
No, it uses natural convection cooling, which eliminates the need for fans. -
Can the SD834 be used in environments with fluctuating input voltage?
Yes, its wide input range (85–265 VAC) ensures stable performance even with voltage variations. -
What is the physical size of the SD834?
The module measures 127 x 124 x 82 mm. -
How heavy is the SD834 power module?
It weighs 1.35 kg. -
Can it be mounted on a standard DIN rail?
Yes, it is designed for DIN rail mounting. -
Is it certified for international use?
Yes, the SD834 is CE and UL certified, making it suitable for global applications.
Recommended Related Models
| Model | Description | Output Voltage | Current Rating | Dimensions (mm) |
|---|---|---|---|---|
| SD830 | Compact power supply module | 24 V DC | 1.5 A | 120 x 110 x 75 |
| SD832 | Medium capacity PSU | 24 V DC | 2.5 A | 127 x 124 x 82 |
| SD836 | High-output industrial power module | 24 V DC | 6.0 A | 140 x 124 x 90 |
| SD838 | Heavy-duty power supply | 24 V DC | 8.0 A | 150 x 124 x 90 |
| SD840 | Large-scale automation PSU | 24 V DC | 10.0 A | 160 x 130 x 100 |
| SD850 | Redundant configuration compatible PSU | 24 V DC | 15.0 A | 180 x 140 x 110 |
Popular ABB Models
| Model | Description | Module Type | Application |
|---|---|---|---|
| PM864 | High-performance processor unit | CPU Module | ABB 800xA control systems |
| CI854A | PROFIBUS communication interface | Communication Module | Fieldbus integration |
| DI830 | 16-channel digital input module | Digital Input | Signal monitoring |
| AO810V2 | Analog output module, 8 channels | Analog Output | Industrial control loops |
| TU830V1 | Terminal unit for S800 I/O | Base/Terminal | Modular I/O systems |
| AI810 | 8-channel analog input module | Analog Input | Sensor data acquisition |
