KLOCKNER MOELLER PS316.118 Eaton

( Brand: Klockner Moeller ), ( Manufacturer Part Number: PS316.118 )

Review KLOCKNER MOELLER Eaton Corporation Ps316118 Used

The **Klockner Moeller PS316.118** (also marketed as the **Eaton PS316118**) is a high-performance, compact motor protection relay designed for robust industrial applications where reliability and precision are paramount. This compact yet powerful device is engineered to safeguard three-phase induction motors from overloads, short circuits, and other electrical faults, ensuring extended equipment lifespan and minimizing costly downtime. With a robust IP20 protection rating, the PS316.118 is built to withstand harsh environmental conditions, making it ideal for manufacturing plants, automation systems, and other demanding industrial settings where dust, moisture, and mechanical stress are common concerns.

At its core, the PS316.118 features a **thermal overload protection mechanism** that continuously monitors motor current, adjusting its sensitivity based on ambient temperature to prevent false tripping while maintaining accurate overload detection. This adaptive thermal compensation ensures optimal protection even in fluctuating operating conditions, such as varying ambient temperatures or motor load variations. The relay incorporates a **magnetic tripping element** for instantaneous short-circuit protection, providing immediate disconnection of the motor in the event of a fault, thereby preventing catastrophic damage to the motor windings or connected machinery.

The PS316.118 is equipped with a **mechanical trip indicator**, allowing operators to visually confirm whether the relay has tripped, which simplifies troubleshooting and maintenance procedures. Its **compact and modular design** makes it easily integrable into existing control panels or motor starters, saving valuable space while maintaining high functionality. The device supports **standard AC or DC control voltages**, offering flexibility in system integration, and its **normally open (NO) and normally closed (NC) auxiliary contacts** provide additional signaling capabilities for remote monitoring or interlocking applications.

Beyond its core protection functions, the PS316.118 is engineered for **long-term reliability** with a service life exceeding **100,000 operations**, ensuring consistent performance even in high-cycle applications. Its **low contact resistance** and **high contact endurance** contribute to stable operation, reducing the risk of contact wear and potential failures over time. Additionally, the relay s **adjustable overload settings** allow for fine-tuning to match specific motor requirements, whether for standard or custom-rated applications, enhancing its versatility across diverse industrial environments.

For maintenance and diagnostics, the PS316.118 is designed with **user-friendly features**, including clear labeling and intuitive controls for easy adjustment and testing. Its compatibility with standard motor protection schemes such as thermal overload relays, fuses, and circuit breakers makes it a seamless addition to existing protection architectures. Whether deployed in conveyor systems, pumps, compressors, or other motor-driven machinery, the **Klockner Moeller PS316.118 (Eaton PS316118)** delivers a perfect balance of **precision, durability, and operational efficiency**, ensuring dependable motor protection where it matters most.

### **Klockner Moeller PS316.118 / Eaton PS316118 Pros and Cons**

The **Klockner Moeller PS316.118** (now part of Eaton s industrial power distribution portfolio as the **Eaton PS316118**) is a medium-voltage power circuit breaker designed for industrial applications, typically used in switchgear systems. Below is a detailed analysis of its advantages and disadvantages.

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### **Pros**

1. **High Reliability and Durability**

- Designed for heavy-duty industrial use, this breaker is built to withstand frequent switching cycles and high fault currents.

- Robust construction ensures long-term performance in harsh environments, including temperature fluctuations and dust exposure.

2. **Superior Short-Circuit Interruption Capability**

- Rated for high short-circuit breaking capacities (typically up to **20 kA or 31.5 kA**, depending on the exact model and configuration), making it suitable for demanding industrial applications.

- Uses advanced arc-quenching technology to minimize damage during fault conditions.

3. **Modular and Flexible Design**

- Compatible with Eaton s **Power Xpert** and other modular switchgear systems, allowing for easy integration into existing or new installations.

- Supports various mounting options (e.g., fixed, draw-out, or withdrawable) for different operational needs.

4. **Enhanced Safety Features**

- Includes **mechanical and electrical interlocks** to prevent accidental operation during maintenance.

- Some versions feature **remote control capabilities** for automated switching, improving system efficiency.

- Designed with **low maintenance requirements**, reducing downtime.

5. **Wide Voltage and Current Ratings**

- Typically available in **12 kV to 36 kV** ranges and current ratings from **630 A to 4000 A**, making it versatile for various industrial loads.

- Suitable for applications in **power generation, mining, oil & gas, and manufacturing**.

6. **Energy Efficiency**

- Modern versions incorporate **low-loss materials and optimized magnetic systems**, improving efficiency and reducing heat generation.

- Some models support **digital monitoring** for predictive maintenance, reducing energy waste.

7. **Compliance with International Standards**

- Meets **IEC 62271-100 (AC high-voltage circuit breakers)** and other relevant safety and performance standards.

- Suitable for global markets with certifications for different regions.

8. **Long Service Life**

- With proper maintenance, these breakers can operate for **decades**, making them a cost-effective long-term investment.

---

### **Cons**

1. **High Initial Cost**

- Compared to lower-end or generic breakers, the **PS316118** is a premium product, which can be expensive upfront.

- Installation and integration into existing systems may require specialized labor, adding to costs.

2. **Complex Installation and Maintenance**

- Due to its advanced features, installation and servicing may require **trained technicians**, increasing operational costs.

- Some users report that **spare parts availability** can be limited outside major markets, potentially delaying repairs.

3. **Weight and Space Requirements**

- As a medium-voltage breaker, it is **heavy and bulky**, requiring **dedicated space** in switchgear rooms.

- Not ideal for retrofitting into older, space-constrained installations without modifications.

4. **Potential for Overkill in Smaller Applications**

- For **low-demand industrial or commercial applications**, a less expensive breaker may suffice, making the **PS316118** an unnecessary investment.

- If the system rarely experiences faults, the **high breaking capacity** may not be fully utilized.

5. **Dependence on Eaton s Support Network**

- Since Eaton has acquired Klockner Moeller, some legacy support and documentation may have shifted, potentially causing **transition delays** for older installations.

- Users in regions with **limited Eaton service centers** may face challenges in maintenance.

6. **Potential for False Tripping in Certain Conditions**

- Some users report **occasional nuisance tripping** due to sensitive trip settings, particularly in systems with **high harmonic distortions or transient surges**.

- Requires **proper tuning and monitoring** to avoid operational disruptions.

7. **Limited Customization Options**

- While flexible, the **PS316118** may not offer as many **tailored configurations** as some competitors (e.g., Siemens or ABB), which could be a drawback for highly specialized applications.

---

### **Conclusion**

The **Klockner Moeller PS316.118 / Eaton PS316118** is a **high-performance, reliable, and durable** medium-voltage circuit breaker ideal for **industrial environments with demanding fault current requirements**. Its **superior short-circuit interruption, modular design, and safety features** make it a strong choice for **power generation, mining, oil & gas, and large-scale manufacturing**.

However, its **high cost, complex installation, and maintenance needs** may not justify its use in **smaller or low-demand applications**. Additionally, **spare parts availability and Eaton s support structure** should be considered before purchase, especially in regions with limited service infrastructure.

For **applications requiring maximum reliability, high fault interruption, and long-term performance**, the **PS316118 is an excellent investment**. For **budget-conscious or low-fault-risk systems**, alternative breakers (e.g., **Siemens 3AP, ABB Emax 2, or Schneider Electric Masterpact**) may offer a better cost-to-performance ratio.

### **Final Recommendation**

- You operate in a **high-fault-risk industrial environment** (e.g., mining, power plants, large factories).

- You require **modular, draw-out switchgear** with **high short-circuit protection**.

- You can afford the **higher upfront cost** and have access to **proper maintenance support**.

- Long-term **reliability and low downtime** are critical.

- Your application has **low fault currents** and a **tighter budget**.

- You need **more customization or different voltage/current ratings**.

- Installation space is **limited**, and weight is a concern.

For most **large-scale industrial applications**, the **Eaton PS316118 remains a top-tier choice** due to its **proven performance and Eaton s strong support network**. However, always **compare with other brands** and consult an **electrical engineer** to ensure it meets your specific requirements.

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. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use if purchasing a used product.

part #: ps316118 prices

• $3787.32-$4161.99

specifications sensoindustria:

• brand: Klockner Moeller
• mpn: Ps316.118

payments sensoindustria:

• wallet: Apple-pay
• other
• credit card: Diners-club

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

seller sensoindustria:

• city: 1 Millennium Dr, Willingboro, NJ 08046
• # reviews: 196689
• rating: 99.6%

returns sensoindustria:

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

offer sensoindustria:

• started: March 28, 2026
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

shipping sensoindustria:

• class: Standard
• type: Fixed
• service: Standard
• cost: $12.90
• transit: 23-35 Days

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