CUTLER HAMMER 9-1019-1 Eaton

( Brand: Cutler Hammer ), ( Manufacturer Part Number: 9-1019-1 )

Review CUTLER HAMMER Eaton Corporation 910191 Used

The **Cutler-Hammer 9-1019-1 (Eaton 910191)** is a robust, high-performance **motor control center (MCC) circuit breaker**, specifically designed for industrial and commercial applications where reliable protection and control of electrical circuits are paramount. Part of Eaton s renowned **PowerXpert** series, this breaker is engineered to provide superior arc interruption capability, thermal and magnetic overload protection, and long-term durability in demanding environments. With a **100 ampere (A) continuous current rating**, it is well-suited for protecting motors, transformers, and other high-demand electrical loads in manufacturing plants, warehouses, data centers, and other facilities requiring precise and dependable circuit protection. Constructed with high-quality materials, including a **molded case** designed to withstand mechanical stress and environmental factors such as dust, moisture, and temperature fluctuations, this breaker ensures consistent performance even in harsh operating conditions. Its **instantaneous trip mechanism** provides immediate protection against short circuits and overloads, minimizing equipment damage and reducing downtime. The **Eaton 910191** also features a **long-time thermal trip curve**, allowing for gradual overload protection without unnecessary nuisance tripping, which is ideal for applications with varying load demands. Additionally, its **modular design** enables easy integration into larger MCC systems, offering flexibility for expanding or retrofitting electrical panels. Whether used in new installations or as a replacement for aging breakers, this component exemplifies Eaton s commitment to innovation and reliability, delivering a balance of performance, safety, and longevity for critical electrical infrastructure.

### **Pros and Cons of buying a Cutler-Hammer 9-1019-1 (Eaton 910191) Motor Starter**

#### **Overview**

The **Cutler-Hammer 9-1019-1 (Eaton 910191)** is a **3-phase, magnetic motor starter** designed for controlling electric motors up to **10 horsepower (7.5 kW)** at **480V**. It is widely used in industrial, commercial, and HVAC applications. Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

1. **Reliability and Durability**

- Built to **NEMA 1 or NEMA 3R** standards, ensuring robust construction for harsh environments.

- High-quality **Cutler-Hammer/Eaton branding** indicates a reputation for long-term performance in industrial settings.

- **Thermal overload protection** helps prevent motor damage from overheating.

2. **Compatibility and Versatility**

- Works with **standard 3-phase motors** (460V or 480V) commonly used in manufacturing, pumps, fans, and compressors.

- **Modular design** allows for easy integration with other Eaton components (e.g., contactors, relays, overload relays).

- **Universal mounting** (flanged or panel-mounted) makes installation flexible.

3. **Safety Features**

- **Built-in overload protection** (adjustable or fixed) prevents motor burnout due to overcurrent.

- **Arc-resistant design** reduces the risk of electrical faults in enclosed spaces.

- **NO/NC auxiliary contacts** (if included) allow for additional control logic.

4. **Cost-Effective for Mid-Range Applications**

- Priced competitively compared to higher-end brands like **Siemens or Allen-Bradley** for similar ratings.

- **Long lifespan** reduces replacement costs over time, making it a cost-effective choice for many industrial applications.

5. **Easy Maintenance and Replacement Parts**

- **Commonly available** in the used/refurbished market, lowering costs for maintenance.

- **Standardized components** mean parts (contacts, coils, overload relays) are easy to source.

- **Simple wiring** (typical 3-phase control circuit) makes troubleshooting and repair accessible.

6. **Industrial-Grade Performance**

- Designed for **frequent cycling** (if properly sized), making it suitable for applications like conveyors, pumps, and compressors.

- **Low contact resistance** ensures efficient power transfer with minimal energy loss.

7. **Compatibility with PLCs and Control Systems**

- Can be **wired into PLCs (Siemens, Allen-Bradley, etc.)** for automated control.

- **Standard control voltage options** (120VAC, 240VAC, 24VDC) make it adaptable to different control schemes.

---

### **Cons**

1. **Limited High-Voltage or High-Power Options**

- **Maximum rating is 10 HP at 480V**, making it unsuitable for larger motors (e.g., 20 HP or 600V applications).

- For higher power needs, more expensive or specialized starters (e.g., **Eaton 910201 series**) are required.

2. **Potential for Outdated Technology**

- Some models may lack **modern features** like **solid-state overload protection, digital diagnostics, or bus communication (Modbus, Profibus)**.

- If integrating with **smart grid or IoT systems**, additional interfaces may be needed.

3. **Sizing and Overload Protection Limitations**

- **Fixed or adjustable overload relays** may require precise motor matching; improper sizing can lead to nuisance tripping or motor damage.

- **No built-in electronic protection** (e.g., for phase loss, voltage unbalance) in basic models.

4. **Wiring Complexity for Advanced Applications**

- While simple for basic start/stop, **complex control schemes** (e.g., soft start, reverse, jogging) may require additional relays or controllers.

- **Auxiliary contacts** may need to be added separately if not included in the base unit.

5. **Availability of New vs. Used Units**

- **New units may be discontinued** as Eaton shifts focus to newer series (e.g., **Eaton 910200 series**).

- **Used/refurbished units** can be a good alternative but may have **unknown service history**, increasing risk of failure.

6. **Limited Digital Diagnostics**

- Unlike newer **smart motor starters**, this model lacks **real-time monitoring** of motor conditions (e.g., bearing faults, temperature trends).

- **No built-in communication protocols** for remote monitoring or predictive maintenance.

7. **Potential for Compatibility Issues with Modern Systems**

- Some **PLCs or variable frequency drives (VFDs)** may require **additional isolation or control logic** when interfacing with this starter.

- **Solid-state replacements** (e.g., **Eaton 910200 series**) may offer better integration with modern control systems.

---

### **Conclusion**

The **Cutler-Hammer 9-1019-1 (Eaton 910191)** is a **reliable, mid-range motor starter** well-suited for **basic to moderate industrial applications** where **cost, durability, and simplicity** are priorities. It excels in **standard 3-phase motor control** (up to 10 HP at 480V) and offers **good overload protection**, making it a **practical choice for pumps, fans, compressors, and conveyors**.

However, for **higher-power applications, smart control, or advanced diagnostics**, newer **Eaton 910200 series** or **Siemens/Allen-Bradley alternatives** may be more appropriate. If **budget and simplicity** are the main concerns, this starter remains a **solid, time-tested option** especially when sourced from a **reputable supplier** (new or refurbished with warranty).

---

### **Recommendation**

You need a **reliable, cost-effective 3-phase motor starter** for **10 HP or less at 480V**.

Your application requires **basic start/stop with thermal overload protection** (no advanced control needed).

You prefer a **proven, industrial-grade component** with **easy maintenance and part availability**.

You are working with **legacy systems** or **simple PLC control** without needing smart diagnostics.

You need **higher horsepower (15 HP) or voltage (600V )** upgrade to **Eaton 910200 series** or similar.

Your application requires **soft start, reverse, or jogging** a **dedicated control relay or VFD** may be needed.

You want **smart monitoring, Modbus/Profibus, or IoT integration** look at **Eaton 910200, Siemens 3RW, or Allen-Bradley Starters**.

You are unsure about **motor sizing** consult an electrician to ensure proper overload relay settings.

For **most basic to moderate industrial motor control needs**, the **Eaton 910191 is a well-justified purchase** due to its **reliability, cost, and widespread compatibility**. However, if your application demands **modern features or higher performance**, investing in a **newer series** may be worth the additional cost. Always verify **motor compatibility, control requirements, and supplier reputation** before purchasing.

Details:

Sells new and surplus product develops channels to purchase such. EATON CORPORATION 9-1019-1 / 910191 USED DISCONTINUED BY MANUFACTURER, MAGNET COIL. All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection.

Call to use a shipping service other than the ones listed.

part #: 910191 prices

• $80.00-$414.99

specifications automationjack:

• brand: Cutler Hammer
• mpn: 9-1019-1

returns automationjack:

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

general automationjack:

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

payments automationjack:

• wallet: Google-pay
• other
• credit card: Visa

seller automationjack:

• rating: 99.6%
• # reviews: 1985 77
• city: 1 Millennium Dr, Willingboro, NJ 08046

shipping automationjack:

• transit: 29-34 Days
• type: Fixed
• service: Standard
• cost: $12.90
• class: Standard

offer automationjack:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• started: April 9, 2026
• quantity: 1

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