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- SA168
- Power Supply Unit
- Sweden
- 17.5 × 100 × 110 mm
- 0.15kg
- 3BSE003389R1
- Xiamen, China
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ABB SA168 3BSE003389R1 – Complete Technical Overview and Product Guide
1. Basic Product Information
Product Model: ABB SA168
Part Number: 3BSE003389R1
Brand: ABB
Series: SA Smart Analog Signal Converter / Transducer Series
Product Type: Industrial Analog Signal Amplifier / Transducer
Category: Process Signal Conditioning Module
2. Product Introduction
The ABB SA168 3BSE003389R1 is a robust industrial analog signal converter designed for signal conditioning, scaling, and reliable transmission of analog measurement values in automation and control systems. It serves as a scalable amplifier and isolated transducer that converts raw sensor signals into standardized industrial analog outputs suitable for controllers, data acquisition systems, or process control loops.
The SA168 is typically installed in control cabinets or panel racks where it interfaces with field sensors such as thermocouples, resistance temperature detectors (RTDs), pressure transmitters, or other low‑level signal sources. It amplifies, filters, and linearizes these inputs to ensure accurate and noise‑free transmission to downstream devices.
With an emphasis on industrial reliability and precision, the SA168 supports isolated signal paths to prevent electrical interference and ground loop disturbances. Its precise conversion functionality allows operators and controllers to monitor and regulate process parameters accurately for both continuous control and safety interlock logic.
3. Technical Specifications
Electrical, Mechanical and Operational Parameters
| Parameter | Specification |
|---|---|
| Model | SA168 |
| Part Number | 3BSE003389R1 |
| Series | SA Analog Signal Transducer |
| Product Type | Analog Signal Conditioner / Transducer |
| Input Signal Types | Thermocouple / RTD / Voltage / Current |
| Output Signal Types | Standardized Analog (e.g., 4–20 mA / 0–10 V) |
| Input Impedance | High, dependent on input type |
| Output Load Capability | 4–20 mA loop drive |
| Isolation | Galvanic isolation between channels |
| Accuracy | ±0.1% (typical) |
| Response Time | < 100 ms |
| Supply Voltage | 24 V DC |
| Power Consumption | < 3 W |
| Operating Temperature Range | 0°C to +55°C |
| Storage Temperature Range | –20°C to +70°C |
| Relative Humidity | 5% to 95% non‑condensing |
| Protection Rating | IP20 |
| Mounting Type | DIN‑Rail Mount |
| Dimensions (W × H × D) | 17.5 × 100 × 110 mm |
| Weight (kg) | 0.15 kg |
| Terminal Type | Screw / Spring Clamp Terminals |
| Certifications | Industrial Certified |
4. Product Applications
The SA168 is used wherever precision analog signal conditioning and transmission are essential in industrial automation, instrumentation, and process control.
Typical application scenarios include:
• Analog sensor signal amplification for controllers.
• Temperature measurement conditioning via thermocouples and RTDs.
• Pressure transmitter signal scaling and transmission.
• Signal isolation to prevent ground loop interference.
• Process loops feeding distributed control systems.
• Analog feedback for PID loops in manufacturing automation.
• Environmental monitoring instrumentation systems.
• Data acquisition front‑end conditioning for central control.
By providing accurate and stable analog conversion, the SA168 enables reliable process feedback for monitoring, control, and safety systems.
5. Product Advantages
High Conversion Accuracy
Offers precision signal conditioning with tight tolerance, ensuring accurate process measurement.
Galvanic Isolation
Reduces noise and prevents electrical interference, improving measurement integrity.
Multiple Signal Type Support
Compatible with thermocouples, RTDs, voltage, and current inputs, making it adaptable.
Compact DIN‑Rail Form Factor
Small footprint allows for efficient control cabinet utilization.
Standardized Industrial Output
Provides industry standard analog outputs such as 4–20 mA or 0–10 V for easy controller interfacing.
Low Power Consumption
Operates efficiently off 24 V DC with minimal energy draw.
Reliable in Industrial Settings
Engineered to operate continuously within standard industrial temperature and humidity ranges.
Easy Integration
Terminal layout supports straightforward wiring and installation.
6. Recommended Models from the Same Series or Related Devices
Below are five related analog signal transducers or compatible conditioning modules.
| Model | Input Type | Output Type | Supply Voltage | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| SA168 | Thermocouple/RTD/Voltage | 4–20 mA / 0–10 V | 24 V DC | 17.5×100×110 | 0.15 kg |
| SA169 | RTD/Voltage | 0–10 V | 24 V DC | 17.5×100×110 | 0.16 kg |
| SA170 | Thermocouple | 4–20 mA | 24 V DC | 17.5×100×110 | 0.15 kg |
| SA172 | Voltage/Current | 4–20 mA | 24 V DC | 17.5×100×110 | 0.15 kg |
| SA180 | Multi‑Input | Multi‑Output | 24 V DC | 35×100×110 | 0.28 kg |
7. Popular Industrial Automation Models from the Same Brand
Below are five widely used automation hardware models that are commonly deployed in industrial control systems.
| Model | Type | Supply Voltage | Dimensions (mm) | Weight (kg) | Application |
|---|---|---|---|---|---|
| AC800M | Modular Controller | 24 V DC | 140×180×120 | 1.2 kg | Core distributed process controller |
| PM856 | Processor Module | 24 V DC | 120×150×90 | 0.9 kg | Control CPU for automation platform |
| CI870 | Communication Interface | 24 V DC | 120×150×90 | 0.8 kg | Field network communication module |
| AI820 | Analog Input Module | 24 V DC | 120×150×80 | 0.6 kg | Multi‑channel analog input unit |
| DI820 | Digital Input Module | 24 V DC | 120×150×80 | 0.6 kg | Multi‑channel digital input unit |
8. Frequently Asked Questions (FAQ)
Q1: What is the main function of the SA168?
A: It conditions and transmits analog signals from sensors to controllers or monitoring systems.
Q2: What types of input signals does the SA168 support?
A: It supports thermocouple, RTD, voltage, and current sensor inputs.
Q3: What analog output signals can it generate?
A: Common outputs include industry standard 4–20 mA or 0–10 V.
Q4: What supply voltage does it require?
A: It is powered using a 24 V DC industrial supply.
Q5: How much does the SA168 weigh?
A: The approximate weight is 0.15 kg.
Q6: What are the physical dimensions of the module?
A: Approximately 17.5 × 100 × 110 mm.
Q7: Where is this product usually installed?
A: It is installed on DIN‑rails inside control cabinets.
Q8: Why is galvanic isolation important?
A: It reduces electrical noise and prevents ground loops, improving measurement accuracy.
Q9: What industries commonly use analog signal transducers like the SA168?
A: Manufacturing, process control, utilities, and instrumentation systems use them for conditioned measurement signals.
Q10: Is the SA168 suitable for continuous industrial operation?
A: Yes, it is designed for stable operation in standard industrial environments.