CUTLER HAMMER 38151-1000 Eaton

( Brand: Cutler Hammer ), ( Manufacturer Part Number: 38151-1000 )

Review CUTLER HAMMER Eaton Corporation 381511000 Used

The **Cutler-Hammer 38151-1000 (Eaton 381511000)** is a robust, high-performance **low-voltage power circuit breaker** designed for industrial and commercial electrical distribution systems. Part of Eaton s reliable **PowerXact** line, this breaker is engineered to provide superior protection against overloads, short circuits, and ground faults in medium-voltage applications, ensuring the safety and continuity of critical electrical infrastructure. With a **1500 ampere (A) continuous current rating**, it is well-suited for demanding environments where high fault-interrupting capabilities are essential, such as manufacturing plants, data centers, commercial buildings, and industrial facilities. Constructed with precision engineering, the breaker features a **vacuum interrupter technology**, which delivers rapid and reliable fault clearing while minimizing arcing and wear, thereby extending the device s operational lifespan. Its compact yet sturdy design allows for efficient installation in panelboards, switchgear, or motor control centers, making it an ideal choice for applications requiring both space efficiency and high reliability.

The **38151-1000** incorporates Eaton s advanced **electromagnetic trip unit**, which provides instantaneous response to severe faults while maintaining precise control over normal operating conditions. This ensures minimal downtime and reduces the risk of equipment damage due to electrical surges or abnormal loads. The breaker s **mechanical trip unit** further enhances its versatility by allowing for adjustable trip settings, enabling users to customize protection curves based on specific application requirements. Its **modular design** facilitates easy integration with other Eaton components, such as busways, disconnect switches, and control devices, creating a seamless and cohesive electrical distribution system. Additionally, the breaker is equipped with **visible and audible trip indicators**, providing clear feedback to operators regarding the status of the circuit, which is crucial for maintaining operational efficiency and safety in high-stakes environments.

Built to meet stringent industry standards, including **IEC, UL, and NEMA**, the **Cutler-Hammer 38151-1000** ensures compliance with rigorous safety and performance regulations. Its **corrosion-resistant materials** and **sealed construction** make it highly durable, capable of withstanding harsh environmental conditions, including exposure to moisture, dust, and temperature fluctuations. The breaker s **low-maintenance design** reduces the need for frequent inspections or replacements, contributing to long-term cost savings and operational reliability. Whether deployed in a mission-critical facility or a large-scale industrial setup, this circuit breaker exemplifies Eaton s commitment to delivering dependable, high-performance electrical protection solutions that safeguard both equipment and personnel. Its combination of advanced technology, adaptability, and durability positions it as a cornerstone component in modern electrical distribution systems.

### **Pros and Cons of buying a Cutler-Hammer (Eaton) 38151-1000 Motor Control Center (MCC) Circuit Breaker**

1. **Reliability and Durability** Eaton (formerly Cutler-Hammer) is a well-established brand known for high-quality industrial electrical components. The 38151-1000 is designed for heavy-duty applications, offering long-term performance in demanding environments.

2. **High Interrupting Rating (100kA)** This breaker is rated for 100,000 amps interrupting capacity, making it suitable for industrial facilities where fault currents can be extremely high. This reduces the risk of catastrophic failure during short circuits.

3. **Modular Design** The MCC series is modular, allowing for easy expansion or modification of control panels. This flexibility is beneficial for growing industrial operations or those requiring frequent updates.

4. **Arc-Resistant Construction** The design incorporates arc-resistant features, improving safety for maintenance personnel by reducing the risk of arc flash incidents.

5. **Wide Voltage Range Compatibility** The 38151-1000 is designed for use in 480V and 600V systems, making it versatile for various industrial applications.

6. **Easy Maintenance** Eaton breakers are known for their straightforward maintenance procedures, including accessible trip units and replaceable components, reducing downtime.

7. **Compatibility with Eaton s E-Series MCCs** If you already have Eaton equipment, this breaker integrates seamlessly with their MCC systems, ensuring consistent performance and support.

8. **Industrial-Grade Protection** Features such as magnetic and thermal trip protection help prevent overloads and short circuits, extending the lifespan of connected motors and equipment.

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1. **High Initial Cost** Eaton s industrial-grade breakers are premium products, and the 38151-1000 is no exception. The upfront cost may be significantly higher than lower-end or generic alternatives.

2. **Complex Installation** Due to its modular and high-performance nature, installation requires specialized knowledge. Improper installation can lead to malfunctions or safety hazards, potentially increasing labor costs.

3. **Limited Availability of Replacement Parts** While Eaton is a reputable brand, some replacement parts or specific accessories may not be as readily available as those from more widely distributed manufacturers.

4. **Potential for Overkill in Smaller Applications** If the breaker is being used in a low-fault-current environment (e.g., a small workshop or non-critical system), its high interrupting rating may be unnecessary, leading to wasted investment.

5. **Training Requirements** Operators and maintenance personnel may need additional training to properly use, maintain, and troubleshoot the breaker, adding to operational costs.

6. **Weight and Space Requirements** The robust construction means the breaker is heavier and bulkier than standard residential or light-commercial breakers, which may require additional structural considerations in panel installation.

7. **Potential for Obsolescence** While Eaton is a stable brand, newer technologies (e.g., smart breakers with digital monitoring) may eventually render older models less competitive, though the 38151-1000 remains widely used in industrial settings.

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The **Cutler-Hammer (Eaton) 38151-1000** is an excellent choice for **industrial, commercial, or high-demand applications** where reliability, high fault interruption, and long-term performance are critical. Its modular design, arc resistance, and compatibility with Eaton s ecosystem make it a strong investment for facilities with significant electrical loads or safety requirements.

However, for **smaller-scale, low-fault-current applications** or budget-conscious projects, the high cost and complexity may not justify the purchase. In such cases, alternative breakers with lower interrupting ratings (e.g., 50kA or 100kA but less expensive models) could be more practical.

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- You are working in an **industrial or high-risk electrical environment** (e.g., manufacturing plants, large commercial buildings, or facilities with high short-circuit currents).

- You prioritize **long-term reliability, safety, and ease of maintenance** over cost savings.

- You already have **Eaton equipment** and want seamless integration.

- Your application requires **100kA interrupting capacity** (e.g., motor control centers for large motors, critical power distribution).

- Your application has **low fault currents** and a lower-rated breaker (e.g., 50kA) would suffice.

- Budget constraints make the **higher upfront cost prohibitive**, and you can find a similarly rated breaker from another reputable manufacturer (e.g., Square D, ABB, or Schneider Electric).

- You require **smart or digital monitoring features**, as newer Eaton models (e.g., PowerFlex or PowerMonitor) may offer better long-term value.

For most **industrial or mission-critical applications**, the **38151-1000 is a sound investment** due to its proven performance and safety features. However, always conduct a **cost-benefit analysis** based on your specific electrical load, budget, and long-term maintenance plans. Consulting with an **electrical engineer or Eaton-certified technician** can help ensure the breaker is the right fit for your system.

Details:

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

part #: 381511000 prices

• $366.95-$400.00

specifications automationjack:

• brand: Cutler Hammer
• mpn: 38151-1000

offer automationjack:

• options: Ship-to-home
• sold: 0
• started: March 5, 2026
• quantity: 1
• availability: In Stock

payments automationjack:

• credit card: Visa
• other
• wallet: Paypal

returns automationjack:

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

seller automationjack:

• rating: 99.6%
• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 193022

general automationjack:

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

shipping automationjack:

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

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