FUJI ELECTRIC SJ-0G Automation SJ0GDC24V1A

( Brand: Fuji Electric ), ( Manufacturer Part Number: SJ-0G )

Review FUJI ELECTRIC Dc24v 1a Used

The **Fuji Electric SJ-0G DC 24V 1A (SJ0GDC24V1A)** is a high-performance, compact, and versatile solid-state relay designed for precision control applications in industrial, automotive, and commercial environments. This relay belongs to Fuji Electric s advanced SJ series, renowned for its reliability, efficiency, and adaptability to demanding electrical systems. Engineered with a **DC 24V coil activation**, the SJ-0G operates seamlessly within a current rating of **1A**, making it ideal for low-power switching tasks such as signal control, motor drivers, LED lighting systems, and automation circuits where minimal power consumption and fast response times are critical. Its **solid-state construction** eliminates mechanical wear, ensuring a longer operational lifespan with reduced maintenance requirements compared to traditional electromechanical relays. The compact and lightweight design of the SJ-0G allows for easy integration into space-constrained systems, whether in control panels, PLC setups, or embedded electronics, without compromising performance.

One of the standout features of this relay is its **high isolation voltage rating**, which enhances safety and reduces the risk of electrical interference in sensitive circuits. The SJ-0G is equipped with a **normally open (NO) contact configuration**, providing a straightforward and efficient means of controlling high-voltage or high-current loads indirectly through the relay s switching action. Its **fast switching speed** and low power consumption make it particularly suitable for applications requiring rapid response, such as in motor starters, solenoid drivers, or high-frequency switching scenarios. Additionally, the relay s **wide operating temperature range** ensures consistent performance across various environmental conditions, from industrial facilities to automotive under-the-hood applications, where temperature fluctuations can affect other electronic components.

The SJ-0G is built with **high-quality semiconductor materials**, which contribute to its durability and resistance to thermal stress, further extending its operational life. Its **low inrush current** during activation minimizes stress on power supplies, making it a reliable choice for battery-powered or energy-efficient systems. The relay s **low leakage current** in the off-state reduces standby power consumption, which is advantageous for applications where energy efficiency is a priority. Whether used in **automation systems, renewable energy setups, or precision instrumentation**, the Fuji Electric SJ-0G DC 24V 1A relay delivers consistent and dependable performance, making it a trusted component for engineers and technicians seeking a balance of compactness, efficiency, and reliability in their designs.

The **Fuji Electric SJ-0G DC24V 1A** is a small, low-power DC relay designed for general-purpose switching applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

---

### **Pros of the Fuji Electric SJ-0G DC24V 1A**

1. **Compact and Space-Efficient Design**

The relay is small, making it ideal for applications where space is limited, such as in embedded systems, IoT devices, or compact control panels. Its minimal footprint allows for dense circuit board layouts.

2. **Low Power Consumption**

Operating at just **24V DC and 1A**, it is energy-efficient and suitable for battery-powered or low-power systems. This makes it a good choice for portable or remote installations where power draw is a concern.

3. **Reliable and Durable**

Fuji Electric is a well-established manufacturer known for producing high-quality electrical components. The SJ-0G series is designed for long-term use, with robust contacts that can handle frequent switching cycles (typically **100,000 to 200,000 operations** under normal conditions).

4. **Low Contact Resistance**

The relay features **low contact resistance**, ensuring efficient current flow and minimal heat generation when switching loads. This is particularly useful for applications where power loss or heat dissipation must be minimized.

5. **Fast Switching Speed**

The SJ-0G has a relatively quick response time, making it suitable for applications requiring rapid actuation, such as in motor control, signal switching, or automation systems.

6. **Wide Operating Temperature Range**

It can operate effectively in environments ranging from **-25 C to 70 C**, which is useful for industrial, outdoor, or temperature-varying applications.

7. **Simple and Direct Wiring**

The relay has a straightforward pin configuration, making it easy to integrate into circuits without complex wiring or additional components. It does not require external snubbers or additional protection in most cases.

8. **Cost-Effective for Low-Voltage Applications**

For its size and performance, the SJ-0G is reasonably priced, making it a cost-effective solution for low-power DC switching tasks.

9. **No Coil Locking or Sticking Issues**

Unlike some cheaper relays, the SJ-0G is less prone to coil locking or contact sticking, which can occur in high-humidity or dusty environments.

10. **Compatibility with Microcontrollers and Logic Circuits**

Its **24V DC coil** makes it easily drivable by microcontrollers (e.g., Arduino, Raspberry Pi, or PLCs) via a transistor or MOSFET, allowing for automated control.

---

### **Cons of the Fuji Electric SJ-0G DC24V 1A**

1. **Limited Current Rating**

The **1A contact rating** is suitable for low-power applications but may be insufficient for high-current loads (e.g., motors, solenoids, or high-power LEDs). For such cases, a higher-rated relay (e.g., 5A or 10A) would be necessary.

2. **No Built-In Overload Protection**

The relay does not include built-in mechanisms (such as fuses or thermal protection) to handle short circuits or overloads. External protection (e.g., fuses on the load side) is required to prevent damage.

3. **Sensitive to Voltage Spikes**

While the SJ-0G is robust, sudden voltage spikes or transients (e.g., from inductive loads like motors) can damage the contacts over time. Snubber circuits (RC networks) may be needed for inductive loads to prolong relay life.

4. **Not Ideal for High-Frequency Switching**

While it performs well for general-purpose switching, it is not optimized for high-frequency applications (e.g., PWM control at very high speeds), where relay bounce or wear may become an issue.

5. **Limited Environmental Sealing**

The relay is not fully sealed against dust, moisture, or corrosive environments. For harsh conditions, a **hermetically sealed** or **IP-rated** relay would be more appropriate.

6. **No Built-In LED Indicator**

Unlike some relays, the SJ-0G does not come with an integrated LED to visually confirm coil activation, which can be inconvenient for troubleshooting.

7. **Potential for Contact Welding**

In rare cases, especially with high-resistance loads or frequent switching, contact welding can occur, leading to failure. Proper debouncing and load considerations are necessary.

8. **Limited Availability of Replacement Parts**

While Fuji Electric is reliable, finding replacement relays or contacts for this specific model may be challenging compared to more common relay types (e.g., Omron, TE Connectivity).

9. **No Built-In Diode for Inductive Loads**

When switching inductive loads (e.g., relays, motors), a **flyback diode** must be added externally to protect the relay from voltage spikes generated by collapsing magnetic fields.

10. **Not Suitable for High-Voltage Applications**

The relay is designed for **low-voltage (24V DC) control** and is not rated for high-voltage switching (e.g., 120V AC or 240V AC). For such applications, a different relay type would be required.

---

### **Conclusion**

The **Fuji Electric SJ-0G DC24V 1A** is an excellent choice for **low-power, general-purpose DC switching applications** where space, efficiency, and reliability are priorities. Its compact size, low power consumption, and durability make it ideal for embedded systems, automation, and control circuits where the load does not exceed **1A**. However, its **limited current rating, lack of built-in protection, and sensitivity to inductive loads** mean it is not suitable for high-current or high-voltage applications without additional components.

For most **low-power signaling, sensor control, or small motor applications**, this relay performs well. For **higher current, inductive loads, or harsh environments**, a more robust relay (e.g., with higher current ratings, built-in protection, or better sealing) should be considered.

---

### **Recommendation**

- You need a **small, low-power relay** for **24V DC control**.

- Your application involves **light loads (e.g., LEDs, sensors, small relays, or low-power actuators)**.

- You require a **reliable, compact solution** for embedded or automated systems.

- You are willing to **add external protection (fuses, snubbers, diodes)** for inductive loads.

- Your load requires **more than 1A of current**.

- You are switching **inductive loads (motors, solenoids, relays)** without proper snubbing.

- You need **high-voltage switching (e.g., 120V AC or higher)**.

- Your environment is **extremely harsh (high dust, moisture, or temperature fluctuations)** without additional sealing.

- You require **built-in diagnostics or LED indicators**.

- For **higher current (up to 5A-10A):** Fuji Electric SJ-2G series or Omron G2R series.

- For **inductive load protection:** Add a **flyback diode (1N4007)** and an **RC snubber network**.

- For **harsh environments:** Choose a **hermetically sealed or IP-rated relay**.

- For **high-frequency switching:** Consider a **solid-state relay (SSR)** or a **high-speed mechanical relay**.

In summary, the **SJ-0G is a solid, cost-effective relay for its intended use**, but careful consideration of load requirements and environmental conditions is essential to ensure optimal performance.

Details:

Call to use a shipping service other than the ones listed. Part Number SJ-0G DC24V 1A. 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.

part #: sj0g prices

• $34.00-$68.03

specifications automationjack:

• brand: Fuji Electric
• mpn: Sj-0g

general automationjack:

• Business Industrial > Industrial Automation Motion Controls > Other Automation Equipment
• condition: Used

shipping automationjack:

• service: Standard
• transit: 30-35 Days
• type: Fixed
• cost: $12.90
• class: Standard

offer automationjack:

• started: March 13, 2026
• options: Ship-to-home
• availability: In Stock
• quantity: 1
• sold: 0

payments automationjack:

• wallet: Paypal
• credit card: Diners-club
• other

returns automationjack:

• time: 30 Days
• method: Money back
• paid by: Buyer
• policy: Returns Accepted

seller automationjack:

• # reviews: 194273
• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046

Fuji Electric SJ-0G Is Similar To:

• Allen-bradley Bm3rhb-001 Fuji Electric Manual Motor Starter 43.25-279-8 (33.9% similar) Working condition. What is pictured what for sale. Fuji Electric BM3RHB-001 manual motor starter 43.25-279-8. Willing to negotiate on price so send me an offer...(January 31st, 2024)
• Fuji Electric Phl1b11-e10yv Video Graphic Recorder 100 240vac 50 60hz 22c (41.7% similar) There may be some residual material on it from normal use with the previous owner. Please see photographs for clarification. For sale by equipment recycle is a Fuji Electric PHL1B11-E10YV video graphic recorder. It was pulled from a working environment. There also may be some scratches on the screen...(August 14th, 2024)
• Fuji Rys101s3-vss 1pcs Used For Servo Drive Tested Free Shipping qw (26.3% similar) Part #: Fuji RYS101S3-VSS for sale...(August 24th, 2024)
• Fuji Ftl010h-a10 Used And Tested Ftl010ha10 Terminal Link Unit (27.5% similar) Part #: Fuji FTL010H-A10 for sale...(September 3rd, 2024)
• Fuji Electric Sk12l-e01 Lot Of 4 Magnetic Contactor Free Shipping (35.1% similar) No less, no more. Shipping handling. Whats included. Lot of 4 - Fuji Electric SK12L-E01 magnetic contractor free shipping. You can ship by your FedEx account or using label. Caused by unclear. Return exchange...(September 5th, 2024)
• Fuji Electric Ap22pr-2 Lot Of 2 Ar22pr-2 Switch 250v 6a 805f275 (43.2% similar) Message if any questions thanks...(September 5th, 2024)
• Fuji Rye.75d Used And Tested Servo Drive (27.6% similar) Part #: Fuji RYE.75D for sale...(September 13th, 2024)
• Fuji Electric Np3f-ycdb1 Yc-d Slave Cpu Board T150743 (46% similar) Fuji Electric NP3F-YCDB1 Tc-d slave CPU board T150743 warranty information: this is a used item, in good condition and includes 30 day warranty...(September 26th, 2024)
• Fuji Electric Bz0tkuab Used (60.5% similar) Sells new and surplus product develops channels to purchase such. Packaging and handling, items are safely eds packaged in custom shipping cartons for protection. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use. The ...(October 8th, 2024)
• Fuji Electric Sc-03.0-5.0 100-120v Sc03050100120v Used (56.3% similar) Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use. The product is used surplus. Packaging and handling, items are safely eds packaged in custom shipping ...(October 11th, 2024)
• Fuji Electric Bu-eca3050 Circuit Breaker T227575 (33.7% similar) Fuji Electric BU-ECA3050 circuit breaker T227575 warranty information: this is a used item, in good condition and includes 30 day warranty...(October 12th, 2024)