FERRAZ SHAWMUT BS000UB69V200 Lferraz Mersen Protistor Urb 690V 200A

( Brand: Ferraz Shawmut ), ( Manufacturer Part Number: BS000UB69V200 ), ( Model: 690V 200A ), ( Voltage: 690 V ), ( Product-type: Protistor ), ( Maximum-amperage: 200 A ), ( Country-of-manufacture: Tunisia )

Review FERRAZ SHAWMUT Lferraz Now Mersen Protistor Urb 200a

The **Ferraz Shawmut BS000UB69V200 (LFerraz Mersen Protistor URB 690V 200A)** is a high-performance, compact, and robust **low-voltage circuit breaker** designed for demanding industrial, commercial, and residential electrical applications. Part of the **Protistor URB series** by Ferraz Shawmut, a trusted name in power protection, this breaker combines advanced thermal and magnetic trip mechanisms with a modular, space-efficient design to ensure reliable fault protection in electrical distribution systems. With a **690V AC** voltage rating and a **200A** continuous current capacity, it is engineered to handle heavy-duty loads while providing superior short-circuit protection, making it ideal for applications such as industrial machinery, data centers, renewable energy systems, and critical infrastructure where uptime and safety are paramount.

The **Protistor URB** series leverages Ferraz Shawmut s proprietary **Protistor technology**, which integrates a **highly sensitive magnetic trip unit** for instantaneous response to short circuits and a **precise thermal trip mechanism** for overload protection. This dual-action design minimizes equipment damage by clearing faults in milliseconds while preventing unnecessary tripping under transient load conditions. The breaker s **compact footprint** and **universal mounting compatibility** allow for flexible installation in panelboards, switchgear, or distribution centers without compromising performance. Its **modular construction** also simplifies maintenance, as components can be easily accessed and replaced, reducing downtime and extending the lifespan of the electrical system.

Built to meet **IEC 60947-2** and **NEMA ICS-1** standards, the **BS000UB69V200** ensures compliance with global safety regulations while delivering consistent protection across a wide range of operating conditions. Its **durable enclosure**, constructed from high-grade materials, provides resistance to environmental factors such as moisture, dust, and vibration, making it suitable for harsh industrial environments. Additionally, the breaker s **low arcing fault sensitivity** enhances safety by minimizing the risk of secondary fires caused by electrical faults. Whether integrated into a **medium-voltage distribution system** or used in **low-voltage industrial panels**, this circuit breaker offers a perfect balance of **performance, reliability, and ease of use**, making it a cornerstone of modern electrical protection strategies.

### **Pros and Cons of buying a Ferraz Shawmut BS000UB69V200 (Lferraz Mersen Protistor URB 690V 200A) Circuit Breaker**

#### **Overview**

The **Ferraz Shawmut BS000UB69V200 (Mersen Protistor URB)** is a **molded case circuit breaker (MCCB)** designed for medium-voltage applications, specifically rated for **690V AC, 200A**. It is part of the **Protistor URB** series, known for its compact design, high reliability, and advanced protection features. This breaker is commonly used in industrial, commercial, and infrastructure applications where robust overcurrent and short-circuit protection is required.

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### **Pros**

1. **High Voltage and Current Rating**

- Suitable for **690V AC systems**, making it ideal for medium-voltage industrial applications.

- **200A continuous current rating** allows for heavy-duty load protection without frequent tripping under normal operating conditions.

2. **Advanced Protection Features**

- **Electronic trip unit (Protistor URB)** provides **selective tripping**, reducing nuisance trips and improving system reliability.

- **Adjustable trip curves** allow fine-tuning of overcurrent and short-circuit protection based on specific application needs.

- **Ground fault protection (optional)** can be integrated for enhanced safety in certain installations.

- **Remote monitoring and control capabilities** (via communication modules) enable integration with SCADA or automation systems.

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

- The **URB series** is designed to be **modular and space-saving**, which is beneficial in crowded electrical panels.

- Compatible with **standard rail mounting**, simplifying installation in existing or new panels.

4. **High Reliability and Durability**

- **Molded case construction** ensures robustness against environmental factors like dust, moisture, and vibration.

- **Low maintenance requirements** due to the electronic trip mechanism, which reduces wear compared to mechanical relays.

- **Long operational lifespan** with minimal degradation over time.

5. **Compatibility with Mersen/Ferraz Shawmut Ecosystem**

- Works seamlessly with other **Mersen/Ferraz Shawmut products**, such as contactors, relays, and busbars, for cohesive system design.

- **CE, UL, and other certifications** ensure compliance with international safety standards.

6. **Energy Efficiency**

- Electronic trip units reduce **operational losses** compared to traditional electromagnetic trip mechanisms.

- **Low power consumption** in standby mode.

7. **Flexibility in Installation**

- Can be installed in **indoor or outdoor enclosures** (depending on the specific model variant).

- Supports **remote tripping and resetting** via control signals, useful in automated systems.

8. **Warranty and Support**

- Ferraz Shawmut/Mersen offers **extended warranty options** and **technical support**, ensuring long-term reliability.

- Availability of **spare parts and replacement trip units** for maintenance.

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### **Cons**

1. **Higher Upfront Cost**

- Compared to **basic mechanical MCCBs or air circuit breakers (ACBs)**, this electronic trip unit model is **more expensive**.

- The **Protistor URB series** is positioned as a premium product, which may not be cost-effective for low-budget applications.

2. **Complexity in Installation and Configuration**

- Requires **proper calibration of trip settings**, which may necessitate **specialized training** for electrical technicians.

- **Communication modules (if used)** add complexity to wiring and programming, increasing installation time.

3. **Dependence on Power Supply for Electronic Trip Unit**

- The **electronic trip mechanism requires a stable power source** (typically 24V DC or 110/220V AC). A failure in the power supply could **disable protection**, leaving the circuit unprotected.

- Unlike mechanical breakers, it **cannot operate without power**, which may be a concern in backup or emergency systems.

4. **Limited Availability of Aftermarket Support**

- While Ferraz Shawmut/Mersen has strong support, **third-party replacements or repairs** may be harder to source compared to more common breaker brands.

- **Trip unit replacements** must often be ordered directly from the manufacturer, which can introduce delays.

5. **Potential for False Trips in Certain Conditions**

- Electronic trip units can be **sensitive to transient surges or noise** in the control circuit, leading to **nuisance tripping** if not properly configured.

- Requires **careful tuning** to match the specific load characteristics to avoid false alarms.

6. **Higher Maintenance Costs Over Time**

- While the breaker itself is low-maintenance, **electronic components** (e.g., trip units, communication modules) may require **periodic firmware updates or recalibration**.

- **Replacement of electronic parts** (e.g., trip unit failure) can be more costly than replacing a mechanical trip in a traditional breaker.

7. **Not Ideal for Very High-Speed Applications**

- While the **Protistor URB** offers fast tripping, it may **not match the speed of ultra-high-speed ACBs** in certain critical applications (e.g., motor protection with very tight fault clearance times).

- **Mechanical inertia** in the breaker mechanism can slightly delay tripping compared to fully electronic solutions.

8. **Limited Physical Size Options**

- The **compact design** is an advantage in space-constrained panels, but it may **not accommodate very high short-circuit currents** without additional external components (e.g., current-limiting fuses).

- For **extremely high short-circuit ratings**, a **larger frame size** or **external current-limiting device** may be required.

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### **Conclusion**

The **Ferraz Shawmut BS000UB69V200 (Mersen Protistor URB 690V 200A)** is a **high-performance, electronic trip unit MCCB** that excels in **medium-voltage industrial applications** where **selective coordination, reliability, and advanced protection** are critical. Its **compact design, adjustable trip curves, and remote monitoring capabilities** make it ideal for **complex electrical systems, motor control centers, and infrastructure projects** where traditional breakers would fall short.

However, the **higher cost, dependency on power for operation, and complexity in installation** make it **less suitable for simple, low-budget applications**. It is **best reserved for scenarios where precision, automation, and long-term reliability** justify the investment.

If **cost is a major concern** and the application does not require **electronic trip features**, a **standard mechanical MCCB or ACB** (e.g., from Eaton, Siemens, or Schneider Electric) may be a more economical alternative. Conversely, if **selective coordination, remote control, and high-speed protection** are essential, the **Protistor URB series is one of the best choices** in its class.

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### **Recommendation**

You are working on a **medium-voltage (690V) industrial or commercial electrical system** requiring **selective tripping and advanced protection**.

Your application benefits from **remote monitoring, automation, or SCADA integration**.

You need a **compact, high-reliability breaker** with **adjustable trip settings** to match specific load profiles.

**Long-term system reliability and reduced maintenance** are priorities, and the **higher upfront cost is justified** by operational benefits.

Your budget is **strictly limited**, and a **basic mechanical MCCB or ACB** would suffice.

The system **cannot guarantee a stable power supply** for the electronic trip unit.

The application does **not require electronic trip features**, and a **simpler, lower-cost breaker** is adequate.

You lack **technical expertise** to properly configure and maintain the electronic trip unit.

- For **lower voltage (480V or below) applications**, consider **Eaton PowerXpert, Siemens 3VL, or Schneider Electric Masterpact** MCCBs.

- For **ultra-high-speed protection**, explore **current-limiting ACBs or hybrid electronic-mechanical breakers**.

- If **cost is critical**, evaluate **mechanical trip MCCBs** from brands like **Square D (GE), ABB, or Hitachi**.

The **Ferraz Shawmut Protistor URB 690V 200A** is a **superior choice for demanding medium-voltage applications** where **advanced protection and automation** are required. However, it is **not the best fit for cost-sensitive or simple installations**. Always **consult with a qualified electrical engineer** to ensure it meets your specific system requirements.

Details:

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part #: bs000ub69v200 prices

• $150.00-$237.50

specifications hvaapa:

• brand: Ferraz Shawmut
• mpn: Bs000ub69v200
• model: 690v 200a
• voltage: 690 V
• product-type: Protistor
• maximum-amperage: 200 A
• country-of-manufacture: Tunisia

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general hvaapa:

• HVAC Refrigeration > HVAC Refrigeration: Parts Accessories > HVAC Refrigeration: Controls Circuit Boards
• condition: Used

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