ALLEN BRADLEY 100-B400ND3 Automation

( Brand: Allen Bradley ), ( Manufacturer Part Number: 100-B400ND3 )

Review ALLEN BRADLEY 100b400nd3 Used

The **Allen-Bradley 100-B400ND3** is a high-performance, industrial-grade **120V AC, 400VA, single-phase, non-dimmable fluorescent ballast** designed for demanding applications in commercial, institutional, and industrial environments. This robust unit is engineered to provide reliable power conversion and regulation for standard T8 fluorescent lighting fixtures, ensuring consistent illumination while minimizing energy consumption. Built with Allen-Bradley s reputation for durability and precision, the **100-B400ND3** features a compact yet sturdy construction, making it ideal for installations where space efficiency and performance are critical. Its **non-dimmable** design ensures stable operation with standard fluorescent lamps, eliminating flickering or voltage fluctuations that could compromise lighting quality or shorten lamp lifespan. The ballast operates at a nominal voltage of **120V AC**, delivering a consistent current to maintain optimal lamp performance across varying load conditions. With a **400VA** rating, it efficiently handles the power requirements of T8 fluorescent tubes, providing a balance between energy efficiency and reliability. This ballast is equipped with **electronic circuitry** that minimizes heat generation, reducing the risk of overheating in enclosed spaces, while its **high-frequency operation** enhances energy savings by extending lamp life and improving overall system efficiency. Suitable for both new installations and retrofits, the **100-B400ND3** adheres to strict industrial standards, ensuring compatibility with a wide range of fluorescent fixtures and ballast mounting configurations. Whether used in warehouses, offices, or manufacturing facilities, this ballast delivers dependable performance, contributing to a well-lit, energy-efficient, and long-lasting lighting solution.

### **Pros and Cons of buying a Allen-Bradley 100-B400ND3 (100B400ND3) Motor Starter**

#### **Overview**

The **Allen-Bradley 100-B400ND3** is a **non-fusing, non-reversing motor starter** designed for controlling **three-phase AC motors** up to **400 amps** at **480 volts**. It is part of the **100 Series**, a robust and widely used industrial control device. Below is a detailed breakdown of its advantages and disadvantages.

---

### **Pros**

1. **High Current Rating (400 Amps)**

- Suitable for **large industrial motors**, such as pumps, compressors, conveyors, and heavy machinery.

- Handles **continuous duty** without overheating, making it ideal for **24/7 operations**.

2. **Reliable & Durable Construction**

- Built with **high-quality materials**, including **copper contacts** and **thermal overload protection**, ensuring long-term reliability.

- Designed for **harsh industrial environments**, resistant to **vibration, dust, and moisture** (when properly installed in an enclosure).

3. **Thermal Overload Protection (Built-In)**

- Includes **adjustable thermal overload relays** to prevent motor damage from **overcurrent conditions**.

- Can be **manually reset** after tripping, reducing downtime.

4. **Compatibility with PLCs & Control Systems**

- Works seamlessly with **Allen-Bradley PLCs (e.g., ControlLogix, CompactLogix, Micro800)** and other industrial control systems.

- Supports **remote control** via **auxiliary contacts** (NO/NC) for integration into larger automation setups.

5. **Standardized & Easy to Find**

- A **commonly stocked part** in industrial supply chains, meaning **quick availability** from distributors like **Grainger, Mouser, or local electrical suppliers**.

- **Interchangeable with similar models** (e.g., 100-B400ND, 100-B400NDA) in many applications.

6. **Low Maintenance Requirements**

- **Non-fusing contacts** mean they **do not weld shut** on short circuits (unlike fusing starters), reducing replacement frequency.

- **Minimal moving parts** compared to other starters, leading to **longer service life**.

7. **Cost-Effective for High-Current Applications**

- While not the **cheapest** starter on the market, its **durability and performance** justify the cost for **large motor applications**.

- Reduces **long-term maintenance costs** compared to cheaper, lower-quality alternatives.

8. **Wide Voltage & Frequency Range**

- Rated for **460-480V AC, 3-phase, 60Hz**, making it versatile for **North American industrial standards**.

- Can be used in **commercial and light industrial** applications where higher amperage is required.

9. **Easy Installation & Wiring**

- **Standard NEMA or IEC terminal blocks** simplify wiring.

- **Clear labeling** and **modular design** allow for **quick replacement** if needed.

10. **Backward Compatibility with Older Systems**

- Works well with **legacy control panels** and can be integrated into **upgraded automation systems**.

---

### **Cons**

1. **Higher Upfront Cost Compared to Smaller Starters**

- More expensive than **smaller amperage starters (e.g., 100-B22ND3 for 22 amps)**.

- **Not cost-effective** for **low-power motor applications** where a **smaller starter** would suffice.

2. **Bulkier & Heavier Than Smaller Models**

- **Physical size** makes installation **more challenging in space-constrained environments**.

- Requires **stronger mounting** to prevent **vibration-induced wear**.

3. **Thermal Overload Adjustments Require Manual Calibration**

- If motor **starting conditions vary**, the **overload settings may need adjustment**, which requires **technical knowledge**.

- **Incorrect settings** can lead to **false tripping or insufficient protection**.

4. **No Built-In Reversing or Soft Start Capabilities**

- **Non-reversing design** means an **additional reversing contactor** is needed if bidirectional control is required.

- **No soft start functionality**, which could lead to **mechanical stress** on motors with high inertia.

5. **Limited Digital Communication Features**

- Unlike **modern smart motor starters**, this model **does not support digital diagnostics, remote monitoring, or PLC communication protocols** (e.g., Modbus, Profibus).

- **No built-in current monitoring** for predictive maintenance.

6. **Potential for Contact Welding in Severe Faults**

- While **non-fusing**, **extreme short circuits** can still cause **contact welding**, requiring **manual cleaning or replacement**.

7. **Requires Proper Enclosure for Harsh Environments**

- **Not inherently explosion-proof or waterproof** must be installed in a **suitable NEMA-rated enclosure** (e.g., NEMA 3R, 4X) for **dust, moisture, or corrosive environments**.

8. **Deprecated in Favor of Newer Models**

- Allen-Bradley has **phased out some 100 Series components** in favor of **100 Series II or newer models**, which may offer **better efficiency and features**.

- **Spare parts availability** may decline over time, increasing long-term **replacement risks**.

9. **Not Ideal for Variable Frequency Drive (VFD) Applications**

- **Not designed for VFD control** using it with a VFD may **void warranty** and risk **premature failure** due to **harmonic distortion**.

10. **Installation & Wiring Complexity**

- **Higher amperage requires thicker wiring**, increasing **material and labor costs**.

- **Mismatched wiring** (e.g., incorrect conductor size) can lead to **overheating or tripping**.

---

### **Conclusion**

The **Allen-Bradley 100-B400ND3** is a **reliable, high-performance motor starter** best suited for **large industrial applications** where **durability, thermal protection, and high current handling** are critical. It excels in **continuous-duty motor control** and integrates well with **traditional PLC systems**.

- **Low-power applications** (where a smaller starter would suffice).

- **Applications requiring reversing, soft start, or digital diagnostics**.

- **Space-constrained or cost-sensitive projects** (where newer, more efficient models may be better).

- **Modern automation setups needing advanced communication features**.

- **Allen-Bradley 100 Series II (e.g., 100-B400ND3A)** More modern, with better features.

- **Siemens 3RT series** Competitive alternative with similar specs.

- **Schneider Electric TE series** Good for VFD compatibility.

- **Smaller starters (e.g., 100-B22ND3)** For lower amperage needs.

would be worth considering.

---

### **Final Recommendation**

You need a **400-amp, 480V motor starter** for **heavy-duty industrial use**.

Your application requires **thermal overload protection** without fusing contacts.

You are working with **legacy or traditional PLC systems** and need **proven reliability**.

**Cost of downtime is high**, and you prioritize **long-term durability**.

You need **reversing, soft start, or VFD compatibility**.

Your budget allows for **newer, more efficient models** (e.g., 100 Series II).

The application is **low-power** (consider a smaller starter).

You require **digital diagnostics or remote monitoring**.

If possible, **upgrade to a newer model** (e.g., **100 Series II**) for **better efficiency, digital features, and future compatibility**, even if it means a slightly higher initial cost. For **budget constraints**, ensure you **verify spare parts availability** before committing long-term.

Would you like recommendations on **specific installation best practices** or **wiring diagrams** for this starter?

Details:

All products are guaranteed to be working but may show signs of use. 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. The product is used surplus.

part #: 100b400nd3 prices

• $727.85-$4000.00

specifications automationjack:

• brand: Allen Bradley
• mpn: 100-b400nd3

offer automationjack:

• options: Ship-to-home
• sold: 0
• started: February 17, 2026
• availability: In Stock
• best offers: True
• quantity: 1

payments automationjack:

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

shipping automationjack:

• cost: $12.90
• transit: 2-4 Days
• class: Standard
• service: Standard
• type: Fixed

seller automationjack:

• rating: 99.5%
• # reviews: 190648
• city: 1 Millennium Dr, Willingboro, NJ 08046

returns automationjack:

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

general automationjack:

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

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