CUTLER HAMMER C25DND340A-GL Eaton Box

( Brand: Cutler Hammer ), ( Manufacturer Part Number: C25DND340A-GL ), ( Part Type: Box ), ( Country Of Origin: United States )

Review CUTLER HAMMER Eaton Corporation C25dnd340agl New In Box Fast Free Shipping

The **Cutler-Hammer C25DND340A-GL (Eaton C25DND340AGL) Disconnecting Circuit Breaker** is a robust, high-performance electrical protection device designed for industrial and commercial applications where reliable power distribution and fault isolation are critical. Part of Eaton s trusted Cutler-Hammer line, this **340-ampere, 4-pole, AC disconnecting circuit breaker** combines the precision engineering of a molded-case circuit breaker (MCCB) with the added functionality of a manual disconnect switch, making it an ideal solution for branch circuit protection in medium-voltage systems. Engineered to meet rigorous industry standards, including **IEC 60947-2** and **NEMA ICS-1**, this breaker is built to withstand harsh environmental conditions while ensuring safe and efficient operation in demanding industrial settings.

Featuring a **compact yet durable design**, the C25DND340AGL is housed in a robust metal enclosure that provides excellent protection against mechanical damage, dust, and moisture, making it suitable for both indoor and outdoor installations in classified areas (where applicable). The **4-pole configuration** allows for balanced phase protection, minimizing the risk of single-phasing and ensuring symmetrical current distribution across all three phases plus neutral. With a **continuous current rating of 340 amperes**, this breaker is well-suited for protecting motors, transformers, feeders, and other high-demand loads in manufacturing plants, commercial buildings, and renewable energy systems. Its **thermal-magnetic trip mechanism** provides overcurrent and short-circuit protection, automatically interrupting fault currents while allowing normal operational currents to pass without interruption.

One of the standout features of the C25DND340AGL is its **integrated disconnecting function**, which allows operators to manually isolate the circuit for maintenance or emergency shutdowns with ease. This dual-functionality combining the protection of a circuit breaker with the isolation capability of a switch eliminates the need for separate disconnect devices, simplifying panel design and reducing installation complexity. The breaker s **adjustable trip settings** enable precise tuning of the overcurrent protection to match specific load requirements, ensuring optimal performance while preventing unnecessary nuisance trips. Additionally, its **modular design** allows for easy integration into existing electrical panels, making upgrades and retrofits straightforward.

Built with **high-quality materials**, including corrosion-resistant coatings and reinforced internal components, the C25DND340AGL offers long-term reliability and minimal maintenance requirements. The **visible trip mechanism** provides clear indication of the breaker s status whether in the "ON" or "OFF" position ensuring quick and accurate troubleshooting. For enhanced safety, the device incorporates **arc-resistant features**, reducing the risk of arc flash hazards during fault conditions. Whether used in industrial automation, HVAC systems, or power distribution networks, this circuit breaker delivers dependable protection, operational efficiency, and compliance with stringent electrical safety regulations. Ideal for applications where both protection and manual isolation are essential, the **Cutler-Hammer C25DND340A-GL** stands as a dependable choice for professionals seeking a balance of performance, durability, and ease of use.

### **Pros and Cons of buying a Cutler-Hammer (Eaton) C25DND340A-GL / C25DND340AGL Box**

#### **Overview**

The **Cutler-Hammer (Eaton) C25DND340A-GL** (or **C25DND340AGL**) is a **250-amp, 4-pole, 480V AC motor starter** designed for industrial applications. It is part of the **PowerFlex series** and is commonly used in motor control circuits for pumps, compressors, conveyors, and other heavy-duty machinery. Below is a detailed breakdown of its advantages and disadvantages.

---

### **Pros**

1. **High Reliability & Durability**

- Built with robust construction, including **heat-treated aluminum enclosures**, ensuring long-term performance in harsh industrial environments.

- Designed for **high-cycle duty**, making it suitable for frequent start-stop applications.

- **Sealed contacts** reduce wear and tear, extending the lifespan of the starter.

2. **Energy Efficiency & Performance**

- Incorporates **low-resistance contacts** and **efficient magnetic systems**, reducing energy loss during operation.

- Compatible with **soft-start and variable frequency drive (VFD) applications**, improving motor efficiency and reducing mechanical stress.

- **Fast response time** for motor engagement, minimizing downtime in production lines.

3. **Safety Features**

- **Overload protection** (thermal overload relays) prevents motor burnout due to overloads or faults.

- **Arc-resistant design** reduces the risk of electrical fires in case of contact welding.

- **Auxiliary contacts** allow for additional control and monitoring functions (e.g., fault signaling, interlocking).

- **NEMA 1 or NEMA 3R enclosure options** provide protection against dust, moisture, and corrosion, depending on the model variant.

4. **Compatibility & Versatility**

- Works with **standard 480V AC motors** (three-phase) up to **250 amps**.

- Can be integrated with **Eaton s PowerFlex drives** for advanced motor control (e.g., soft starts, energy savings).

- **Modular design** allows for easy upgrades or replacements of internal components (e.g., overload relays, auxiliary relays).

5. **Easy Installation & Maintenance**

- **Standard mounting dimensions** (NEMA size 2) fit common industrial panels.

- **Pre-wired options** (e.g., C25DND340AGL with built-in overload relays) simplify installation.

- **Serviceable components** (e.g., replaceable contacts, overload elements) reduce downtime for maintenance.

6. **Industry Standard & Support**

- Part of **Eaton s legacy Cutler-Hammer brand**, which is trusted in industrial automation.

- **Widely available spare parts** and technical support from Eaton or authorized distributors.

- **Compliance with NEC, UL, and CSA standards**, ensuring safety and regulatory approval.

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

- While not the cheapest starter on the market, its **longevity and efficiency** often justify the cost in heavy-duty industrial settings.

- **Reduces maintenance costs** over time due to fewer failures compared to cheaper, lower-quality starters.

---

### **Cons**

1. **Higher Upfront Cost**

- More expensive than basic **non-intelligent starters** (e.g., magnetic starters without overload protection).

- Pricing can vary based on **enclosure type (NEMA 1 vs. NEMA 3R), wiring options, and additional accessories**.

2. **Complexity for Basic Applications**

- Overkill for **simple, low-duty-cycle applications** where a basic **manual or magnetic starter** would suffice.

- Requires **some electrical knowledge** for proper installation and wiring, especially when integrating with VFDs or PLCs.

3. **Weight & Space Requirements**

- **Heavier than smaller starters**, which may require reinforced mounting in some installations.

- **Bulkier enclosure** compared to compact starters, which may be a constraint in tight panel spaces.

4. **Potential for False Trips (Overload Relays)**

- **Thermal overload relays** can trip unexpectedly due to **motor inrush currents, ambient temperature fluctuations, or poor wiring**.

- May require **adjustment or replacement** of overload elements if the motor has high starting currents.

5. **Limited Customization for Non-Standard Motors**

- Not ideal for **non-standard motor voltages or frequencies** (e.g., 600V, 60Hz vs. 50Hz).

- **No built-in VFD compatibility** unless paired with Eaton s PowerFlex drives (additional cost).

6. **Depreciation & Obsolescence Risk**

- As **smart motor control systems (e.g., IoT-enabled starters) become more common**, older Eaton models may become less supported in the long term.

- Some newer applications favor **solid-state or PLC-integrated starters** for better diagnostics and remote monitoring.

7. **Potential for Counterfeit or Low-Quality Replacements**

- Since Eaton parts are widely used, **counterfeit or refurbished units** may enter the market, leading to **reduced performance or safety risks**.

- Always **purchase from authorized distributors** to avoid quality issues.

---

### **Conclusion**

The **Cutler-Hammer (Eaton) C25DND340A-GL / C25DND340AGL** is a **high-quality, reliable motor starter** well-suited for **industrial applications requiring durability, safety, and efficiency**. Its **overload protection, energy-saving features, and compatibility with advanced control systems** make it a strong choice for **pumps, compressors, conveyors, and other heavy-duty machinery**.

- **Budget-conscious, low-duty applications** where a simpler starter would work.

- **Non-standard motor setups** (e.g., high-voltage, variable frequency without VFD integration).

- **Applications where space or weight is a critical constraint**.

If **cost is a major concern**, alternatives like **basic magnetic starters or Eaton s newer smart motor starters** (e.g., **PowerFlex 755 or 757**) may offer better long-term value. Conversely, if **reliability, safety, and efficiency** are priorities, this starter remains a **solid industrial-grade choice**.

---

### **Final Recommendation**

You need a **durable, overload-protected starter** for a **250-amp, 480V motor** in an **industrial environment**.

Your application benefits from **VFD integration or soft-start capabilities**.

You require **NEMA-rated protection (NEMA 3R for harsh conditions)**.

You prioritize **long-term reliability and Eaton s brand reputation**.

You have a **simple, low-duty application** where a cheaper starter suffices.

Your motor is **non-standard** (e.g., 600V, 50Hz) and requires custom modifications.

**Space or weight constraints** make this starter impractical.

You prefer **smart, IoT-enabled motor control** (e.g., Eaton s newer digital starters).

- **Verify the exact model variant** (e.g., **AGL vs. GL wiring**) to ensure compatibility with your motor and control system.

- **Purchase from an authorized Eaton distributor** to avoid counterfeit or refurbished units.

- **Consult an electrician or Eaton technical support** if integrating with VFDs or PLCs.

- **Check for available upgrades** (e.g., auxiliary relays, digital communication modules) if future-proofing is needed.

For most **heavy-duty industrial applications**, this starter remains a **highly recommended choice** due to its **proven performance and safety features**.

Details:

part #: c25dnd340a prices

• $100.00-$171.04

specifications automationjack:

• brand: Cutler Hammer
• mpn: C25dnd340a-gl
• part type: Box
• country of origin: United States

offer automationjack:

• options: Ship-to-home
• started: May 14, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• best offers: True

returns automationjack:

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

seller automationjack:

• rating: 98.2%
• # reviews: 1866
• city: Austin, Texas

payments automationjack:

• wallet: Paypal
• other
• credit card: Discover

general automationjack:

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

shipping automationjack:

• class: Economy
• type: Fixed
• cost: $0.00
• service: Economy
• transit: 5-12 Days

Cutler Hammer C25DND340A Is Similar To:

• Westinghouse W201kgcf Cutler Hammer A.h07 1a96781g01 Contactor (28.9% similar) 120 vac control. 125/150/300 hp at 200/230/460 vac. Condition: refurbished ready for service, clean, Westinghouse W201K3CF. Westinghouse W201K3CF, W20CF...(February 9th, 2024)
• Cutler Hammer An16gn0ab Eaton Corporation Used Tested Cleaned (58.8% similar) Call to use a shipping service other than the ones listed. Eaton corporation AN16GN0AB / used tested cleaned 110 coil vac at 50 Hz, 120 60 45 amp, Norma size 2, non reversible open enclosure motor starter 3 hp 1 phase. Packaging and handling: items are safely eds packaged in custom shipping cartons ...(August 1st, 2024)
• Cutler Hammer 2147a48g11 Eaton Corporation Used Tested Cleaned (59.7% similar) Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use...(August 4th, 2024)
• Cutler Hammer A10bn0a Eaton Corporation Used Tested Cleaned (59.6% similar) Eaton corporation A10BN0A / used tested cleaned discontinued by manufacturer, starter, non-reversing, open type, Norma size 0, 18 amp, 3 pole, 1 aux n/o, 110/120 vac 50/60 Hz coil. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Call to use a shipping...(August 13th, 2024)
• Cutler Hammer E50kl596a1 Eaton Corporation Used Tested Cleaned (58.4% similar) Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Sells new and surplus product develops channels to purchase such...(August 13th, 2024)
• Cutler Hammer Mc320ke02 Eaton Corporation Used Tested Cleaned (57.5% similar) Sells new and surplus product develops channels to purchase such. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection...(August 14th, 2024)
• Cutler Hammer An19bn0 Eaton Corporation Used Tested Cleaned (58.3% similar) Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use...(August 16th, 2024)
• Cutler Hammer E02ndxcxnn Eaton Corporation (55.2% similar) Eaton corporation E02NDXCXNN...(September 14th, 2024)
• Cutler Hammer 9-2703-3 927033 Used From Closed Electrician Labeled Inch Good (34.1% similar) Free shipping and handling thru USPS priority. 806 used condition. Cutler Hammer 9-2703-3 / 927033 used - from closed electrician labeled good...(October 2nd, 2024)
• Cutler-hammer Eaton 10370h638 Cutler-hammer Gen Purpose Solenoid (35.1% similar) Cut-off time is 4:00 pm ET. Instant transfer from your bank account if eligible.: eaton Cutler-hammer 10370H638 gen purpose solenoid. Item location: A-236. Contact and support...(October 5th, 2024)
• Cutler Hammer Pkzm4-58 Eaton Corporation Pkzm458 Used (56.6% similar) Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use...(October 8th, 2024)