SMC IR3U20-0BG Hydraulics Pneumatics
( Brand: Smc ), ( Manufacturer Part Number: IR3U20-0BG ), ( Part Type: Hydraulic Pneumatic )
Review SMC Ir3u200bg Used
The **SMC IR3U20-0BG (IR3U200BG)** is a high-performance, industrial-grade **200A, 600V DC contactor** designed for demanding applications in electrical distribution, motor control, and heavy-duty automation systems. Engineered with precision and built to endure rigorous operating conditions, this contactor is a robust solution for controlling high-power loads in industrial environments where reliability and efficiency are paramount. Its **200-ampere current rating** makes it ideal for managing substantial electrical loads, such as large motors, transformers, or high-capacity heating elements, while its **600V DC voltage rating** ensures compatibility with a wide range of power systems, including those found in renewable energy installations, electric vehicle charging infrastructure, and industrial automation setups.
The **IR3U200BG** belongs to SMC s **IR3U series**, a line of contactors known for their compact yet durable design, making them well-suited for applications where space optimization is critical. This model features a **pneumatic or electric actuation mechanism**, depending on the specific variant, allowing for seamless integration into automated control systems. The **auxiliary contacts** provide additional control flexibility, enabling monitoring of the main contactor s status, while the **auxiliary power supply** ensures reliable operation of auxiliary circuits. The contactor s **silver-plated copper contacts** are engineered for superior conductivity and extended lifespan, reducing the risk of arcing and wear, even under frequent switching cycles.
Safety and durability are at the core of the **IR3U200BG** s design. It incorporates **thermal overload protection** to prevent damage from prolonged overload conditions, while its **IP65-rated enclosure** ensures protection against dust, dirt, and water splashes, making it suitable for harsh industrial environments. The contactor s **low contact resistance** and **fast response time** enhance operational efficiency, reducing energy loss and minimizing downtime. Additionally, its **modular and scalable design** allows for easy integration into larger control panels or distributed automation systems, where multiple contactors may be required to manage complex power distribution networks.
For applications requiring **remote or automated control**, the **IR3U200BG** can be paired with SMC s **electromagnetic coils or pneumatic actuators**, enabling seamless integration with PLCs, SCADA systems, or other industrial control platforms. Its **compatibility with various mounting configurations**, including DIN rail or panel mounting, further enhances its versatility. Whether deployed in **manufacturing plants, renewable energy systems, or electric vehicle infrastructure**, this contactor delivers the performance, reliability, and efficiency needed to meet the most stringent industrial demands. With SMC s reputation for innovation and quality, the **IR3U200BG** stands as a dependable choice for professionals seeking a high-performance contactor that balances power, precision, and longevity.
### **Pros and Cons of buying a SMC IR3U20-0BG / IR3U200BG (Industrial Pressure Transmitter)**
#### **Overview**
The **SMC IR3U20-0BG** and **IR3U200BG** are compact, digital pressure transmitters designed for industrial applications, particularly in pneumatic and hydraulic systems. They are part of SMC s **IR3U series**, which offers high accuracy, durability, and compatibility with various control systems. Below is a detailed breakdown of their advantages and limitations.
---
### **Pros**
1. **High Accuracy and Repeatability**
- The IR3U series is known for its precise measurements, with an accuracy of ** 0.5% of the full scale** (FS) for the **IR3U20-0BG** and ** 0.3% FS** for the **IR3U200BG** (higher-end model). This makes them suitable for applications requiring tight control, such as CNC machines, robotics, and automated manufacturing.
2. **Compact and Modular Design**
- The transmitters are **small and lightweight**, making them ideal for space-constrained environments. They can be easily integrated into existing systems without requiring significant modifications.
- The **modular design** allows for flexible mounting options (e.g., flange, threaded, or quick-connect fittings), enhancing versatility.
3. **Wide Measurement Range**
- The **IR3U20-0BG** covers a range of **0.1 10 bar (1.5 145 psi)**, while the **IR3U200BG** extends up to **0 200 bar (0 2900 psi)**. This broad range accommodates various industrial pressures, from low-pressure pneumatic systems to high-pressure hydraulic applications.
- The **IR3U200BG** is particularly useful in heavy-duty industries like forging, injection molding, and hydraulic presses.
4. **Digital Output with High Resolution**
- Both models provide a **digital output (4 20 mA or 0 20 mA)** with **24-bit resolution**, ensuring smooth and reliable signal transmission. This is crucial for integration with PLCs, DCS, or SCADA systems.
- The **IR3U200BG** also supports **RS-485 communication (Modbus RTU)**, enabling advanced data logging and remote monitoring.
5. **Durability and Reliability**
- Constructed from **stainless steel (SS304 or SS316)** and **aluminum alloys**, these transmitters are resistant to corrosion, vibration, and temperature fluctuations.
- They are **IP65-rated**, making them suitable for dirty or humid environments.
- The **IR3U200BG** is rated for ** 20 C to 85 C**, expanding its operational temperature range compared to the **IR3U20-0BG** ( 10 C to 60 C).
6. **Easy Calibration and Maintenance**
- SMC provides **built-in calibration functions**, allowing users to adjust the transmitter without external tools. This reduces downtime and maintenance costs.
- The **IR3U200BG** includes a **self-diagnostic feature**, which helps in quickly identifying potential issues.
7. **Compatibility with SMC s Pneumatic/Hydraulic Systems**
- These transmitters are **natively compatible** with SMC s **valves, cylinders, and actuators**, making them a seamless addition to existing SMC-based automation setups.
- They support **SMC s proprietary communication protocols**, simplifying integration.
8. **Cost-Effective for High-Precision Applications**
- While not the cheapest option on the market, their **accuracy, durability, and ease of use** often justify the cost in industries where precision is critical.
- The **IR3U200BG** offers better value for high-pressure applications compared to generic transmitters.
9. **Low Power Consumption**
- Operates efficiently on **24V DC**, reducing energy costs in long-term industrial deployments.
10. **CE and ATEX Certifications**
- The **IR3U200BG** is **ATEX-certified (II 2G Ex ia IIC T4)**, making it suitable for use in **hazardous environments** (e.g., chemical plants, oil refineries).
- **CE marking** ensures compliance with European safety standards.
---
### **Cons**
1. **Limited Analog Output Options**
- Both models primarily offer **4 20 mA analog output**, with no built-in **voltage (0 10V) or frequency (pulse) outputs**. This may require additional converters if other signals are needed.
- The **IR3U200BG** s **RS-485 (Modbus)** is a plus, but some users may prefer **Profibus, EtherNet/IP, or Foundation Fieldbus** for enterprise-level systems.
2. **Higher Upfront Cost Compared to Basic Transmitters**
- While cost-effective for precision applications, the **IR3U200BG** is more expensive than basic **mechanical gauges or low-end digital transmitters** (e.g., some generic 4 20 mA sensors).
- The **IR3U20-0BG** is slightly more affordable but still pricier than non-branded alternatives.
3. **Learning Curve for Advanced Features**
- The **self-calibration and Modbus communication** on the **IR3U200BG** require some familiarity with **SMC s software tools** (e.g., **SMC s ConfigTool**). Users unfamiliar with these may need training.
- The **ATEX certification** adds complexity for non-experts in hazardous area installations.
4. **Limited Customization for Extreme Conditions**
- While the **IR3U200BG** handles ** 20 C to 85 C**, some **high-temperature or cryogenic applications** may require specialized models.
- For **corrosive media** (e.g., acids, solvents), additional **sealing or material upgrades** (beyond standard SS316) may be needed.
5. **Dependence on SMC s Ecosystem**
- If your system is **not SMC-based**, integration may require **additional adapters or middleware**, increasing complexity.
- Some users report **limited third-party support** compared to more universal brands like **Keller, Druck, or Honeywell**.
6. **Potential Signal Noise in High-Vibration Environments**
- While robust, **extreme vibration** (e.g., in heavy machinery) may require **additional mounting dampening** to prevent signal drift.
7. **No Built-in Overload Protection for Extreme Pressures**
- The **IR3U200BG** is rated up to **200 bar**, but **sudden spikes beyond this range** (e.g., due to system failure) could damage the sensor. Users must implement **external pressure relief valves** where necessary.
8. **Limited Global Availability of Spare Parts**
- While SMC has a strong presence in **Europe, North America, and Asia**, **spare parts and service centers may be less accessible in emerging markets**.
---
### **Conclusion**
The **SMC IR3U20-0BG** and **IR3U200BG** are **excellent choices** for industries requiring **high-precision, durable, and reliable pressure measurement** in **pneumatic, hydraulic, or automated systems**. Their **compact design, digital output, and compatibility with SMC s ecosystem** make them ideal for **CNC machining, robotics, injection molding, and hazardous-area applications**.
However, they are **not the best fit** for:- **Budget-conscious buyers** who can tolerate slightly lower accuracy.
- **Users needing non-SMC integration** (e.g., Profibus, EtherCAT).
- **Applications requiring extreme customization** (e.g., cryogenic temperatures, highly corrosive media).
- **Simple, low-cost pressure monitoring** where basic analog gauges suffice.
The **IR3U20-0BG** is better for **low-to-medium pressure (0.1 10 bar)** applications, while the **IR3U200BG** is superior for **high-pressure (up to 200 bar) and hazardous environments** due to its **ATEX certification, wider temperature range, and Modbus support**.
---
### **Recommendation**
**Use Case** **Recommended Model** **Why?**
-------------- ---------------------- ----------
**Low-pressure pneumatic control (e.g., CNC, robotics)** **IR3U20-0BG** Cost-effective, high accuracy, compact, and easy to integrate with SMC valves.
**High-pressure hydraulic systems (e.g., forging, presses)** **IR3U200BG** Handles up to 200 bar, ATEX-certified, Modbus communication, and wider temperature range.
**Hazardous area monitoring (e.g., chemical plants, oil refineries)** **IR3U200BG** ATEX II 2G Ex ia certification ensures safety in explosive environments.
**Simple, low-cost pressure monitoring** **Not recommended** Consider a **basic mechanical gauge or generic 4 20 mA sensor** instead.
**Non-S
Details:
Sells new and surplus product develops channels to purchase such. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use if purchasing a used product. SMC IR3U20-0BG / IR3U200BG USED REGULATOR, PRECISION RREGULATOR.
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part #: ir3u200bg price
- $62.59
specifications generapneumati:
- brand: Smc
- mpn: Ir3u20-0bg
- part type: Hydraulic Pneumatic
payments generapneumati:
- other
- wallet: Apple-pay
- credit card: Visa
offer generapneumati:
- quantity: 1
- options: Ship-to-home
- started: February 6, 2026
- sold: 0
- availability: In Stock
shipping generapneumati:
- class: Standard
- transit: 32-36 Days
- service: Standard
- cost: $12.90
- type: Fixed
seller generapneumati:
- rating: 99.5%
- # reviews: 188925
- city: 1 Millennium Dr, Willingboro, NJ 08046
returns generapneumati:
- policy: Returns Accepted
- paid by: Buyer
- time: 30 Days
- method: Money back
general generapneumati:
- Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics
- condition: Used
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