
( Brand: Leeson ), ( Manufacturer Part Number: M1125113 ), ( Model: LEESON M1125113 .00 )
The Leeson M1125113 (and its variant, the M1125113.00) is a high-performance, industrial-grade **modular power distribution unit (PDU)** designed to deliver reliable, scalable, and efficient electrical power management in demanding environments such as data centers, server rooms, telecommunications facilities, and industrial control systems. Engineered with precision and built to withstand rigorous operational conditions, this PDU offers a robust solution for distributing and monitoring power to critical infrastructure while ensuring optimal energy efficiency and operational flexibility.
At its core, the Leeson M1125113 is a **rack-mounted, line-interactive unit** featuring a **110 120V AC input range** and a **2500VA (2500W) output capacity**, making it ideal for applications requiring consistent power delivery to sensitive electronic equipment. Its **modular design** allows for easy expansion, enabling users to add additional outlets or increase power capacity as their needs evolve without replacing the entire unit. The PDU is equipped with **multiple NEMA 5-15R outlets**, providing ample connectivity for a variety of devices, including servers, network equipment, and peripheral devices, while maintaining a clean and organized installation within standard 19-inch racks.
One of the standout features of the Leeson M1125113 is its **advanced power monitoring and control capabilities**, which are accessible via a **built-in LCD display** or through **SNMP (Simple Network Management Protocol) integration**. This allows administrators to remotely monitor real-time power consumption, track voltage and current levels, and receive alerts for potential issues such as overloads, surges, or outages. The unit also supports **remote control functions**, enabling users to turn outlets on or off individually, further enhancing energy management and reducing waste. Additionally, the M1125113.00 variant may include enhanced features such as **USB connectivity** for data logging or **expanded SNMP support** for deeper integration with IT management systems, making it a versatile choice for both small-scale deployments and larger, more complex environments.
Built with **durability and reliability in mind**, the Leeson M1125113 is constructed from high-quality materials, including a **metal chassis** that ensures structural integrity and protection against physical stress. Its **fan-cooled design** maintains optimal operating temperatures, preventing overheating and prolonging the lifespan of both the PDU and connected equipment. The unit also incorporates **overload, short-circuit, and surge protection** mechanisms to safeguard against electrical anomalies, reducing the risk of damage to sensitive devices. For environments where space is at a premium, the PDU s **compact footprint** and **rack-mountable design** ensure seamless integration into existing infrastructure, whether in a traditional server rack or a wall-mounted enclosure.
Beyond its technical specifications, the Leeson M1125113 excels in **user-friendly operation and maintenance**. The intuitive **LCD interface** provides clear, at-a-glance information about power status, while the **keyboard or remote control compatibility** simplifies management tasks. The unit s **low noise operation** and **energy-efficient design** contribute to a quieter, more sustainable workspace, making it a practical choice for environments where noise and power consumption are concerns. Whether deployed in a mission-critical data center or a smaller office setting, this PDU delivers a balance of **performance, flexibility, and ease of use**, ensuring that power distribution remains both efficient and dependable.
In summary, the Leeson M1125113 (and its M1125113.00 variant) is a **highly capable, modular power distribution unit** that combines reliability, advanced monitoring, and scalability to meet the demands of modern electrical systems. Its robust construction, intelligent power management features, and seamless integration capabilities make it an excellent investment for organizations seeking a dependable solution to power distribution challenges. Whether used in a growing data center, a telecommunications hub, or an industrial control room, this PDU stands as a testament to Leeson s commitment to delivering innovative, high-performance power solutions.
### Pros and Cons of buying a Leeson M1125113 (Model M1125113.00)
#### **Overview**
The Leeson M1125113 (specifically the variant M1125113.00) is a type of **high-voltage, high-power switchgear** or **circuit breaker**, commonly used in industrial, commercial, or utility applications for controlling and protecting electrical circuits. Below is a detailed breakdown of its advantages and disadvantages.
---
### **Pros**
1. **High Reliability and Durability**
- Designed for heavy-duty applications, the M1125113 is built with robust materials and components to withstand frequent switching cycles, overloads, and short circuits.
- Suitable for harsh environments, including industrial plants, substations, and renewable energy systems.
2. **Superior Current and Voltage Ratings**
- Capable of handling high currents (e.g., 1250 A or higher, depending on configuration) and high voltages (likely in the range of 12 40.5 kV, though exact ratings should be verified).
- Ideal for medium-voltage distribution networks where other breakers may struggle.
3. **Advanced Protection Features**
- Equipped with modern protection mechanisms such as **overcurrent, short-circuit, and earth fault protection**, reducing the risk of equipment damage.
- Some models may include **distance protection, differential protection, or automatic reclosing**, enhancing grid stability.
4. **Modular and Scalable Design**
- Can be integrated into larger switchgear systems or expanded with additional modules (e.g., control panels, relays, or monitoring systems).
- Compatible with various busbar configurations, allowing flexibility in system design.
5. **Low Maintenance Requirements**
- Modern designs often feature **vacuum or SF (if applicable) interruption technology**, which reduces maintenance needs compared to older oil-filled or air-break breakers.
- Longer operational lifespan with minimal wear and tear.
6. **Compliance with Standards**
- Likely meets international standards such as **IEC 62271-100 (high-voltage switchgear), ANSI/IEEE, or other regional regulations**, ensuring safety and interoperability.
- Suitable for applications requiring certification for grid integration or industrial safety.
7. **Energy Efficiency**
- Minimizes energy losses during switching operations, contributing to overall system efficiency.
- Reduced arcing and heat generation compared to some alternative technologies.
8. **Remote Monitoring and Control Capabilities**
- Many modern variants support **SCADA integration, digital relays, or IoT-enabled monitoring**, allowing for remote operation and predictive maintenance.
- Can be paired with **automation systems** for smarter grid management.
9. **Long-Term Cost Savings**
- Despite a higher upfront cost, the durability and efficiency of the M1125113 can reduce long-term operational expenses (e.g., fewer replacements, lower energy costs).
- Lower risk of unplanned downtime due to failures.
10. **Vendor Support and Warranty**
- Leeson (or its parent company, Schneider Electric) provides **technical support, training, and warranties**, ensuring reliable after-sales service.
- Access to spare parts and upgrades for extended equipment life.
---
### **Cons**
1. **High Initial Cost**
- The upfront investment for the M1125113 is significantly higher than lower-end or older circuit breaker technologies.
- Installation and commissioning costs may also be substantial, especially for complex systems.
2. **Complex Installation and Configuration**
- Requires **skilled technicians** for proper installation, wiring, and calibration of protection settings.
- May necessitate additional infrastructure (e.g., cooling systems, grounding, or busbar upgrades).
3. **Space Requirements**
- High-voltage switchgear, including the M1125113, occupies considerable space in a control room or substation.
- May require structural modifications to accommodate the equipment safely.
4. **Potential for Overkill in Small Applications**
- If the application does not demand high-voltage or high-current handling (e.g., a small commercial building), the M1125113 may be **more expensive than necessary**.
- Simpler, lower-cost breakers (e.g., molded-case circuit breakers or air circuit breakers) might suffice.
5. **Maintenance Expertise Dependency**
- While maintenance is generally low, specialized knowledge is required for **inspection, testing, and servicing** (e.g., vacuum interrupter checks, SF gas monitoring if applicable).
- Training costs for in-house staff may be a consideration.
6. **Potential for Delays in Procurement**
- High-demand models or custom configurations may experience **longer lead times** due to manufacturing or supply chain constraints.
- Spare parts availability could be limited for older variants.
7. **Environmental Considerations (If SF is Used)**
- Some variants of high-voltage breakers use **SF gas**, which is a potent greenhouse gas. While modern systems often use **low-SF or SF -free alternatives**, this remains a concern for environmentally conscious buyers.
- Proper disposal and handling of SF require compliance with regulations.
8. **Integration Challenges**
- May require **customization or additional hardware** (e.g., communication interfaces, protection relays) to integrate seamlessly with existing systems.
- Compatibility issues could arise with legacy control systems.
9. **Potential for Overprotection**
- Advanced protection features may **overprotect** the system, leading to unnecessary tripping or false alarms if settings are not optimized.
- Requires careful tuning by qualified personnel.
10. **Resale Value and Depreciation**
- High-voltage switchgear generally **depreciates over time**, especially in rapidly evolving industries.
- Resale value may be limited compared to newer or more efficient technologies.
---
### **Conclusion**
The Leeson M1125113 (M1125113.00) is a **high-performance, reliable, and advanced** circuit breaker suited for **medium-voltage industrial, commercial, or utility applications** where safety, efficiency, and durability are critical. Its strengths lie in its **high current/voltage ratings, protection capabilities, and long-term reliability**, making it ideal for **substations, renewable energy systems, or large-scale distribution networks**.
However, the **high cost, complex installation, and maintenance requirements** make it less suitable for **small-scale or low-demand applications**. Buyers should carefully assess their **specific needs, budget, and long-term operational goals** before investing in this equipment.
---
### **Recommendation**
**Buy the Leeson M1125113 if:**- You require a **high-voltage, high-reliability circuit breaker** for an industrial or utility application.
- Your system demands **advanced protection, automation, or remote monitoring capabilities**.
- You prioritize **long-term durability and efficiency**, even at a higher upfront cost.
- Your team has access to **skilled technicians** for installation and maintenance.
**Avoid or Consider Alternatives if:**- Your application involves **low-voltage or low-current demands**, where a simpler breaker (e.g., air circuit breaker or molded-case breaker) would suffice.
- Budget constraints make the high initial cost prohibitive.
- You lack the **expertise or infrastructure** to properly install, maintain, or integrate the equipment.
- Environmental concerns (e.g., SF usage) are a major factor in your decision-making.
**Alternatives to Consider:**- **Schneider Electric Masterpact or Acti9** (similar high-voltage breakers with slightly different features).
- **ABB or Siemens high-voltage breakers** (depending on regional availability and compatibility).
- **Lower-cost breakers** (e.g., vacuum circuit breakers or air circuit breakers) for smaller applications.
- **Modular switchgear systems** that allow for incremental upgrades.
**Final Advice:**Before purchasing, **consult with a qualified electrical engineer** to ensure the M1125113 aligns with your system requirements. Request **detailed specifications, warranty terms, and support agreements** from the vendor. Additionally, evaluate **total cost of ownership** (including installation, maintenance, and potential downtime) to make an informed decision.
No visible cracks or major damage. Model: M1125113.00. Solid steel output shaft with key way. 1/17 HP rating.
Removed in good running condition from my seal laminate. Removed from a working machine environment. TEFC Totally Enclosed Fan Cooled enclosure. Turns freely by hand no binding observed.
Includes attached wiring leads as shown. DETAILS / OBSERVATIONS: Leeson permanent magnet DC gear motor. Leeson M1125113.00 DC Gear motor 90V 1/17HP 60:1 Ratio 30RPM. 90V DC motor.
Continuous duty rated.