
( Brand: Allen Bradley ), ( Manufacturer Part Number: 190E-MND2-CB25X )
The **Allen-Bradley 190E-MND2-CB25X** is a high-performance, compact motor control center designed for demanding industrial applications requiring reliable, space-efficient automation solutions. Part of Rockwell Automation s **PowerFlex 190E** series, this motor starter is engineered to deliver robust control and protection for three-phase AC induction motors ranging from **0.75 kW to 37 kW (1 to 50 HP)** at standard voltages of **208 240V or 380 480V**, making it ideal for manufacturing, process control, and material handling systems. The **MND2** designation indicates a **non-fused, motor starter** configuration with a **dual-circuit breaker (CB25X)**, featuring a **25A frame size** that provides enhanced current-carrying capacity and thermal protection to safeguard both the motor and the circuit from overloads, short circuits, and ground faults. This starter incorporates a **compact, modular design**, allowing for easy integration into Allen-Bradley s **190E Motor Control Centers (MCCs)** or standalone panel applications, while its **NEMA 1 or 4X enclosure rating** ensures durability in harsh environments, including those exposed to dust, moisture, and corrosive atmospheres.
At the heart of the **190E-MND2-CB25X** is its **PowerFlex 190E** motor control technology, which combines **solid-state contactors** with **electronic overload protection**, eliminating the need for bulky relays or thermal overload relays (TORs). The **CB25X circuit breaker** integrates **magnetic and thermal trip elements**, providing instantaneous protection against short circuits and gradual overloads, respectively, while its **auxiliary contacts** (if specified) enable seamless integration with PLCs or other control systems for monitoring and signaling. The starter s **low-profile, space-saving footprint** is particularly advantageous in applications where floor space is limited, as it occupies significantly less room than traditional motor starters while maintaining high efficiency and reliability. Additionally, the **190E series** supports **Rockwell Automation s FactoryTalk View** and **Studio 5000** platforms, allowing for advanced diagnostics, predictive maintenance, and remote monitoring through integrated communication modules like **EtherNet/IP** or **DeviceNet**.
For enhanced safety and operational flexibility, the **190E-MND2-CB25X** can be equipped with optional features such as **remote control capability**, **manual reset override**, or **auxiliary relays** for additional control signaling. Its **compatibility with Allen-Bradley s PowerFlex 755T and 755R drives** further extends its utility in variable frequency drive (VFD) applications, enabling precise speed and torque control for motors in pump, fan, and conveyor systems. The starter s **long-term reliability** is backed by Rockwell Automation s reputation for industrial-grade components, ensuring minimal downtime and extended equipment lifespan. Whether deployed in a new control panel build or as a replacement for aging infrastructure, the **190E-MND2-CB25X** delivers a perfect balance of **performance, compactness, and ease of integration**, making it a preferred choice for engineers and technicians seeking a dependable motor control solution.
### **Pros and Cons of buying a Allen-Bradley 190E-MND2-CB25X (190EMND2CB25X) Motor Control Center (MCC) Module**
#### **Overview**
The **Allen-Bradley 190E-MND2-CB25X** is a **25 HP, 208 230V, 3-phase, NEMA 1 motor starter** designed for use in the **PowerFlex 190E series** of variable frequency drives (VFDs). It is a **non-fusing, motor starter module** that integrates with the 190E VFD for motor control applications. Below is a detailed analysis of its advantages and disadvantages.
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### **Pros**
1. **Compatibility with PowerFlex 190E Series VFDs**
- Designed specifically for use with the **Allen-Bradley 190E VFD**, ensuring seamless integration, optimized performance, and simplified wiring.
- Supports **remote control, overload protection, and fault diagnostics** through the VFD s control interface.
2. **Compact and Modular Design**
- Part of the **190E MCC series**, which allows for **space-efficient installation** in control panels or motor control centers.
- Modular design enables easy **replacement or upgrade** without replacing the entire system.
3. **Built-in Overload Protection**
- Includes **thermal overload protection** (adjustable via the VFD) to prevent motor damage from excessive current.
- Reduces the need for separate overload relays, simplifying wiring and reducing installation complexity.
4. **Low Voltage (208 230V) Suitability**
- Ideal for **standard industrial applications** where 208 230V power is available, avoiding the need for additional transformers in many cases.
- Works well in **commercial and light industrial settings** where higher voltage (e.g., 480V) is not required.
5. **Easy Installation and Wiring**
- **Pre-wired terminals** reduce installation time and potential wiring errors.
- **Standard NEMA 1 enclosure** (unless specified otherwise) provides basic protection against dust and moisture.
6. **Allen-Bradley Reliability and Support**
- **Rockwell Automation (now part of Emerson)** is a well-established brand with **extensive documentation, technical support, and spare parts availability**.
- Compatible with **FactoryTalk View and other Rockwell software** for monitoring and control.
7. **Energy Efficiency with VFD Integration**
- When paired with a **PowerFlex 190E VFD**, it enables **motor speed control, soft start, and energy savings** compared to direct-on-line (DOL) starters.
- Reduces mechanical stress on motors and drives, extending equipment lifespan.
8. **Standardized Components**
- Uses **common parts** found in Allen-Bradley s 190E series, making maintenance and troubleshooting more straightforward.
- Replacement modules are widely available through **authorized distributors and Rockwell s supply chain**.
9. **Adjustable Settings via VFD**
- Overload protection thresholds, **start/stop sequences, and fault responses** can be configured through the VFD s parameters.
- Enables **customization for different motor loads and application requirements**.
10. **Cost-Effective for Mid-Range Applications**
- Priced competitively for **25 HP motors**, making it a practical choice for **medium-sized industrial, HVAC, or process control applications**.
- Avoids the higher cost of **higher-voltage or larger-frame starters** when 208 230V is sufficient.
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### **Cons**
1. **Limited Voltage Range (208 230V)**
- **Not suitable for high-voltage applications** (e.g., 480V, 600V), requiring additional transformers or different starter models.
- May not be ideal for **large industrial motors** where higher voltage is standard.
2. **Dependence on VFD for Full Functionality**
- While it can operate as a **basic motor starter**, its **full capabilities (e.g., soft start, speed control) require a PowerFlex 190E VFD**.
- If the VFD fails, the starter may not provide **full overload protection or remote control** unless manually bypassed.
3. **No Fusing (Non-Fusing Design)**
- Unlike **fusing motor starters**, this model **does not include built-in circuit protection** against short circuits or ground faults.
- Requires **external fuses or circuit breakers** in the power supply for full protection, adding complexity.
4. **Potential Compatibility Issues with Non-Rockwell Systems**
- While widely compatible with **Rockwell Automation products**, integration with **third-party VFDs or PLCs** may require additional programming or adapters.
- Some **legacy or non-Rockwell systems** may need custom wiring or interfaces.
5. **Limited Environmental Protection**
- Standard **NEMA 1** enclosure provides **basic protection against dust and airborne contaminants** but is **not weatherproof or explosion-proof**.
- For **harsh or outdoor environments**, a **NEMA 4 or 4X enclosure** may be required, increasing cost.
6. **Replacement Costs Over Time**
- While **modular and replaceable**, **Allen-Bradley components can be expensive** compared to generic or aftermarket alternatives.
- **Spare parts may require ordering through Rockwell s supply chain**, which can have lead times.
7. **Software Dependency for Advanced Features**
- Features like **remote monitoring, predictive maintenance, or advanced diagnostics** require **FactoryTalk software or compatible SCADA systems**.
- Smaller operations without **IT or automation expertise** may find setup challenging.
8. **Wiring Complexity with VFD Integration**
- While the starter itself is simple, **proper wiring between the VFD, starter, and motor** requires careful attention to **phase matching, grounding, and terminal connections**.
- Mistakes in wiring can lead to **motor damage, VFD failure, or safety hazards**.
9. **Limited Lifespan Compared to Mechanical Starters**
- **Electronic starters (with VFDs) may have a shorter lifespan** than traditional **mechanical contactors** in some cases due to **thermal cycling and electronic wear**.
- Requires **regular maintenance checks** for contacts, wiring, and VFD health.
10. **Potential for Obsolescence**
- As **VFD technology evolves**, newer models (e.g., **PowerFlex 755, 525, or 575 series**) may offer **better efficiency, features, or compatibility**.
- **Rockwell s long-term support for the 190E series may decline**, making future upgrades necessary.
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### **Conclusion**
The **Allen-Bradley 190E-MND2-CB25X** is a **well-suited, reliable motor starter** for applications requiring **25 HP, 208 230V, 3-phase motor control with a PowerFlex 190E VFD**. Its **modular design, overload protection, and seamless integration** make it a strong choice for **mid-sized industrial, HVAC, or process control systems** where energy efficiency and control are priorities.
However, its **limited voltage range, dependence on VFD functionality, and lack of built-in fusing** may require additional components for full protection. Additionally, **long-term costs, software dependencies, and potential obsolescence** should be considered, especially in **large-scale or high-voltage applications**.
For **small to medium industrial setups** where **208 230V is standard and VFD integration is desired**, this starter is a **solid, cost-effective choice**. For **higher voltage, extreme environments, or applications requiring maximum longevity**, alternative starters (e.g., **higher-voltage models, fusing starters, or mechanical contactors**) may be more appropriate.
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### **Recommendation**
**Buy the 190E-MND2-CB25X if:**You are **using a PowerFlex 190E VFD** and need a **25 HP, 208 230V motor starter** with **overload protection and remote control**.
Your application **requires energy efficiency, soft start, or speed control**.
You **prioritize Rockwell Automation s reliability and support** for maintenance and troubleshooting.
Your budget allows for **modular, mid-range motor control** without needing high-voltage or explosion-proof enclosures.
**Consider alternatives if:**You need **higher voltage (480V )** or **explosion-proof/weatherproof enclosures**.
You require **built-in fusing or circuit protection** without external components.
Your application is **very large-scale or mission-critical**, where **long-term cost and obsolescence risk** are concerns.
You prefer **mechanical contactors** for simplicity or **generic starters** to reduce costs.
**Final Verdict:**For **most 208 230V, 25 HP motor applications paired with a PowerFlex 190E VFD**, the **190E-MND2-CB25X is a recommended choice** due to its **integration benefits, reliability,
Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such. All products are guaranteed to be working but may show signs of use if purchasing a used product. ALLEN BRADLEY 190E-MND2-CB25X / 190EMND2CB25X USED DISCONTINUED BY MANUFACTURER 2009 -06-29, MINIATURE ECO STARTER, 1.6 - 2.5 A, 100V 50HZ 10.
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