
( Brand: Cutler Hammer ), ( Manufacturer Part Number: 9586H-1367B )
The **Cutler-Hammer 9586H-1367B (Eaton 9586H1367B)** is a robust, high-performance **motor control center (MCC) circuit breaker** designed for demanding industrial applications where reliability, safety, and efficiency are paramount. Part of Eaton s legacy of industrial power solutions, this breaker is engineered to protect electrical circuits from overloads, short circuits, and ground faults while ensuring seamless operation in harsh environments. With a **1367B frame size**, it is capable of handling up to **1,000 amps of continuous current**, making it ideal for medium to large industrial facilities, manufacturing plants, commercial buildings, and critical infrastructure where high-power distribution is required. The **9586H series** incorporates Eaton s advanced **molded case circuit breaker (MCCB) technology**, featuring a **thermal-magnetic trip mechanism** that provides precise overload and short-circuit protection while minimizing nuisance tripping. Its **high-interrupting rating (HIR)** ensures rapid and reliable fault interruption, reducing downtime and preventing equipment damage during surges or faults. Constructed with **high-grade, heat-resistant materials**, including a durable **polycarbonate or fiberglass enclosure**, the breaker is built to withstand extreme temperatures, humidity, and environmental contaminants, ensuring long-term performance even in the most challenging conditions. The **9586H-1367B** also includes **auxiliary contacts** for remote monitoring and control, allowing for seamless integration into building automation systems, PLCs, or SCADA networks. Its **compact yet sturdy design** maximizes space efficiency in electrical panels while maintaining ease of installation and maintenance. Whether used in **motor control centers, switchgear, or industrial power distribution systems**, this breaker delivers unmatched protection and operational resilience, making it a cornerstone component for industries such as manufacturing, mining, oil and gas, and energy production. With Eaton s reputation for innovation and durability, the **9586H-1367B** stands as a dependable solution for professionals who demand performance without compromise.
### **Pros and Cons of buying a Cutler-Hammer 9586H-1367B (Eaton 9586H1367B) Motor Control Center (MCC) Module**
#### **Overview**
The **Cutler-Hammer 9586H-1367B** (also marketed as **Eaton 9586H1367B**) is a **motor starter module** designed for use in **medium-voltage motor control centers (MCCs)**. It is part of Eaton s **PowerXact** series and is commonly used in industrial applications for controlling three-phase AC motors. Below is a detailed breakdown of its advantages and disadvantages.
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### **Pros**
1. **High Reliability and Durability**
- Designed for **industrial environments**, this module is built to withstand harsh conditions, including temperature fluctuations, vibration, and humidity.
- Uses **high-quality components** with a **long operational lifespan**, reducing the need for frequent replacements.
- **Modular design** allows for easy replacement of individual modules without shutting down the entire MCC.
2. **Superior Motor Protection Features**
- **Overload protection** with **adjustable thermal overload relays** to prevent motor damage from excessive current.
- **Short-circuit and ground-fault protection** to safeguard against electrical faults.
- **Phase loss and phase reversal protection** to prevent motor damage from unbalanced power supply.
- **Soft-start capability** (if integrated with compatible controllers) reduces mechanical stress on motors and drives.
3. **Energy Efficiency**
- **Low power loss** due to optimized contactor and relay design, improving overall system efficiency.
- **Reduced motor inrush current** when used with soft-start options, lowering peak demand charges.
4. **Easy Installation and Maintenance**
- **Standardized mounting** compatible with most MCC frames, simplifying integration.
- **Clear labeling and wiring diagrams** make troubleshooting and maintenance straightforward.
- **Replaceable components** (e.g., contactors, fuses) extend the module s usable life without full replacement.
5. **Compatibility with Advanced Control Systems**
- Works with **PLCs, motor management systems (MMS), and Eaton s PowerXact control panels** for centralized monitoring and control.
- Supports **remote monitoring and diagnostics** via **Eaton s PowerXact software**, enabling predictive maintenance.
6. **Wide Voltage and Current Ratings**
- Suitable for **medium-voltage applications (typically 2.3kV to 13.8kV)**, making it versatile for large industrial motors.
- Handles **high current loads** (up to **1367 amps per pole**, depending on configuration), suitable for heavy machinery.
7. **Compliance with Industry Standards**
- Meets **NEMA, UL, and IEC standards**, ensuring safety and regulatory compliance in most markets.
- Designed for **explosion-proof and hazardous location applications** (depending on enclosure type).
8. **Cost-Effective Long-Term Solution**
- While the **upfront cost is higher** than some basic starters, its **longevity and reliability** reduce downtime and replacement expenses.
- **Lower maintenance costs** compared to non-modular or less robust systems.
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### **Cons**
1. **High Initial Cost**
- One of the **most significant drawbacks** is the **premium price** compared to generic or lower-end motor starters.
- The **modular design** adds to the cost, making it less attractive for small-scale or budget-conscious applications.
2. **Complexity in Installation and Configuration**
- Requires **skilled electricians or technicians** for proper installation, wiring, and programming.
- **Mismatched components** (e.g., incorrect voltage or current ratings) can lead to **malfunction or damage**.
- **Software integration** (if used with PLCs or control systems) may require additional training.
3. **Limited Availability of Spare Parts**
- Eaton (formerly Cutler-Hammer) is a **well-established brand**, but **spare parts may not be as readily available** as those from more generic suppliers.
- **Longer lead times** for replacements compared to aftermarket or generic alternatives.
4. **Potential for Overkill in Small Applications**
- For **small motors or low-voltage applications**, a **simpler, less expensive starter** (e.g., a basic NEMA starter) may suffice.
- The **robustness of the 9586H-1367B** is unnecessary for **light-duty or infrequent-use motors**, making it **cost-ineffective** in such cases.
5. **Dependence on Eaton s Ecosystem**
- **Best performance when used with Eaton s other PowerXact components** (e.g., busways, control panels).
- **Compatibility issues** may arise when mixing with **non-Eaton MCC modules or control systems**.
- **Firmware and software updates** are vendor-dependent, which could be a concern if Eaton discontinues support.
6. **Physical Size and Space Requirements**
- The **modular design** means each starter module occupies **significant rack space** within the MCC.
- For **compact MCC installations**, this may require **larger enclosures**, increasing installation complexity.
7. **Potential for Overheating in Poorly Ventilated Environments**
- While designed for industrial use, **inadequate ventilation** can lead to **overheating**, especially in **high-ambient-temperature** settings.
- Requires **proper cooling and maintenance** to prevent thermal issues.
8. **Learning Curve for Troubleshooting**
- Diagnosing **electrical or mechanical failures** in a **high-voltage, modular system** can be **challenging** for inexperienced technicians.
- **Eaton s documentation** is thorough but may require **additional training** to fully utilize all features.
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### **Conclusion**
The **Cutler-Hammer 9586H-1367B (Eaton 9586H1367B) motor starter module** is a **high-performance, reliable, and feature-rich** solution for **medium-voltage industrial motor control**. It excels in **large-scale applications** where **durability, protection, and efficiency** are critical. However, its **high cost, complexity, and dependency on Eaton s ecosystem** make it **less ideal for small-scale or budget-sensitive projects**.
#### **Best Use Cases:****Large industrial facilities** (e.g., manufacturing plants, oil & gas, mining, water treatment).
**Applications requiring advanced motor protection** (e.g., critical machinery, high-horsepower motors).
**Systems needing integration with PLCs or motor management software**.
**Environments with harsh operating conditions** (high temperature, vibration, humidity).
#### **Less Ideal Use Cases:****Small businesses or low-budget installations** where cost is a major concern.
**Light-duty or infrequently used motors** where a simpler starter would suffice.
**Applications where Eaton s ecosystem is not available or supported**.
**Projects with limited technical expertise** for installation and maintenance.
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### **Final Recommendation**
**Buy the Eaton 9586H-1367B if:**- You are **investing in a long-term industrial MCC system** where **reliability and protection** are non-negotiable.
- Your application **requires medium-voltage motor control with advanced features** (soft-start, overload protection, PLC integration).
- You have **access to skilled technicians** for installation and maintenance.
- **Cost is not the primary concern**, and the **premium features justify the expense**.
**Consider Alternatives if:**- You are working with **smaller motors or low-voltage systems** (e.g., **NEMA 1, 3, or 4 starters** may be sufficient).
- **Budget constraints** make the **upfront cost prohibitive** explore **generic or aftermarket options** (e.g., Square D, Schneider Electric, or reputable OEM replacements).
- You **lack expertise in Eaton s systems** and prefer **simpler, more widely supported** motor starters.
- **Spare parts availability** is a concern ensure **long-term support** from the supplier before purchasing.
For **most large industrial applications**, the **Eaton 9586H-1367B remains one of the best choices** due to its **proven reliability and advanced protection features**. However, **careful consideration of cost, expertise, and application requirements** is essential before making a purchase decision.
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