SQUARE D 8502WG03V02 Schneider Ac Vaccum Contactor 8502WGO3 8536WGO3V2S

( Brand: Square D ), ( Manufacturer Part Number: 8502WG03V02 ), ( Part Type: Ac Contactor )

Review SQUARE D Square8502wg03v02 Schneider Ac Vaccum Contactor Size

The **Schneider Electric 8502WGO3V02 (8536WGO3V2S) AC Vacuum Contactors** is a high-performance, compact, and robust switching device designed to meet the demanding requirements of industrial automation, motor control, and power distribution applications. Part of Schneider s renowned **Telemecanique** series, this vacuum contactor combines advanced engineering with reliability to deliver superior arc suppression, extended service life, and minimal maintenance making it an ideal choice for environments where precision, efficiency, and durability are critical. Engineered with a **vacuum interrupter technology**, this contactor ensures clean, contact-free switching with virtually no wear, significantly reducing the risk of welding, pitting, or arcing that often plagues traditional air or oil-insulated contactors. The **8502WGO3V02** features a **three-pole design** (with a nominal current rating of **630A per pole** at 690V AC) and is compatible with **Schneider s 8536WGO3V2S** auxiliary relay module, enabling seamless integration into complex control systems. Its **compact yet sturdy construction** allows for easy installation in tight spaces, while the **modular mounting system** ensures flexibility in panel layouts. The contactor is built to withstand **high-frequency switching cycles**, **transient overvoltages**, and **thermal stress**, making it suitable for applications such as **motor starting, load commutation, and power transfer** in industrial machinery, HVAC systems, and renewable energy installations. Schneider s **Lifetime Diagnostics** technology provides real-time monitoring of contact wear and operating conditions, enhancing predictive maintenance capabilities and reducing downtime. Additionally, the **IP20 protection rating** ensures basic environmental resistance, though it can be paired with appropriate enclosures for higher protection levels. With its **low contact resistance, fast response time, and compatibility with Schneider s extensive range of control solutions**, this vacuum contactor represents a cutting-edge alternative to conventional mechanical contactors, offering superior longevity, energy efficiency, and operational reliability in both new installations and retrofitting projects.

### **Pros and Cons of buying a Schneider Electric 8502WG03V02 (8502WGO3) AC Vacuum Contactor (8536WGO3V2S)**

1. **High Reliability and Durability** Schneider Electric is a well-established brand known for producing high-quality industrial components. The 8502WG03V02 is designed for heavy-duty applications, offering long-term performance in demanding environments.

2. **Vacuum Contact Technology** Unlike traditional air-break or oil-immersed contactors, vacuum contactors provide superior arc suppression, reducing wear and tear on contacts. This leads to longer service life and fewer failures due to welding or pitting.

3. **High Current and Voltage Ratings** This model supports **850A at 690V AC**, making it suitable for large industrial motors, transformers, and high-power applications. It can handle significant electrical loads without overheating.

4. **Compact and Space-Efficient Design** The modular construction allows for easy installation in control panels or switchgear, reducing footprint requirements in electrical rooms.

5. **Low Maintenance Requirements** Vacuum contactors require minimal maintenance compared to other types, as they do not rely on oil or air insulation, which can degrade over time.

6. **Compatibility with Schneider s ECOSTRUCTURE Range** If you are already using other Schneider components (e.g., starters, relays, or circuit breakers), this contactor integrates seamlessly into their modular systems, simplifying wiring and troubleshooting.

7. **Safety Features** Schneider products often include built-in protections such as **overload, short-circuit, and thermal monitoring** (depending on the application), reducing the risk of equipment damage.

8. **Wide Availability of Spares and Support** As a global brand, Schneider has extensive distribution networks, making it easier to find replacement parts or technical support if needed.

9. **Energy Efficiency** Vacuum contactors have lower contact resistance and better switching performance, which can improve overall system efficiency.

10. **CE and Industry Certifications** The product likely meets **IEC, UL, and other regional standards**, ensuring compliance with safety and performance regulations.

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1. **Higher Upfront Cost** Compared to generic or lower-end contactors, Schneider s premium quality comes with a higher price tag. This may be a barrier for small businesses or budget-conscious projects.

2. **Specialized Installation Knowledge Required** While not overly complex, vacuum contactors require proper handling to avoid damage (e.g., exposure to moisture or mechanical stress). Improper installation can reduce lifespan.

3. **Limited DIY Repairability** Unlike simpler contactors, vacuum contactors have sealed chambers. If the vacuum fails, the entire unit may need replacement rather than just contact replacement.

4. **Potential for Overkill in Smaller Applications** If your application only requires **200-400A**, a smaller, more cost-effective contactor might suffice. The 850A rating is excessive for low-power systems, leading to unnecessary expense.

5. **Longer Lead Times for Custom Orders** Depending on the distributor, ordering non-standard configurations or large quantities may result in extended delivery times.

6. **Compatibility Issues with Non-Schneider Systems** If integrating with third-party equipment, wiring and control logic may require additional adjustments, increasing installation complexity.

7. **Noise and Vibration in Some Models** While generally quiet, some vacuum contactors can produce minor operational noise or vibration, which may be a concern in sensitive environments.

8. **Requires Proper Cooling** Like all high-current contactors, this model must be installed in a well-ventilated area to prevent overheating, especially in enclosed spaces.

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### **Conclusion**

The **Schneider Electric 8502WG03V02 (8536WGO3V2S) AC Vacuum Contactor** is an excellent choice for **high-power industrial applications** where reliability, longevity, and low maintenance are critical. Its vacuum contact technology ensures superior performance in frequent switching cycles, making it ideal for motor control, transformer switching, or high-current distribution systems.

However, for **smaller-scale or low-budget projects**, the cost may not justify its capabilities. If you are working with **motors under 400A** or in a **non-industrial setting**, a more affordable contactor might be sufficient.

### **Recommendation**

- You need a **high-current (850A) solution** for industrial motors, transformers, or heavy-duty applications.

- You prioritize **long-term reliability and minimal maintenance**.

- You are already using **Schneider s ECOSTRUCTURE or compatible systems**.

- Your budget allows for a **premium, long-lasting component**.

- Your application requires **lower current ratings (e.g., 200-600A)** a standard air-break or magnetic contactor may be more cost-effective.

- You are working on a **tight budget** and can find a similarly rated contactor from a different brand (e.g., ABB, Siemens, or Eaton) at a lower price.

- You need **faster delivery** and can find a suitable replacement with shorter lead times.

For most **large industrial facilities, power distribution centers, or high-reliability motor control systems**, this Schneider contactor is a **strong, well-supported choice**. For smaller or less demanding applications, a more economical option should be evaluated first.

Details:

SCHNEIDER 8502WGO3 AC VACCUM CONTACTOR SIZE 5 8536WGO3V2S.

part #: 8502wg03v02 prices

• $93.97-$139.99

specifications automationjack:

• brand: Square D
• mpn: 8502wg03v02
• part type: Ac Contactor

shipping automationjack:

• class: Standard
• type: Fixed
• transit: 4-10 Days
• service: Standard
• cost: $0.00

offer automationjack:

• started: May 2, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

returns automationjack:

• policy: No Returns

general automationjack:

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

seller automationjack:

• city: Dallas, Texas
• # reviews: 1883
• rating: 99.8%

payments automationjack:

• cash
• other
• credit card: Discover
• wallet: Google-pay

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