CN15BN3TB EATON Reversing Magnetic Contactor Nema

Review EATON 24vac Non-reversing Magnetic Contactor 3p 18a Nema

The Eaton CN15BN3TB is a robust and reliable non-reversing magnetic contactor designed for heavy-duty applications. This contactor is part of Eaton's Bussmann series, which is known for its high-quality electrical components.

The contactor has a rating of 3-pole, 18 amperes, making it suitable for handling multiple circuits with moderate current loads. The non-reversing designation indicates that the contactor is intended for applications where the direction of current flow remains constant.

The CN15BN3TB is constructed with a durable cast aluminum housing that ensures long-lasting performance. Its silver-coated contact surfaces provide excellent conductivity and help minimize contact resistance, ensuring efficient power transfer and reducing the risk of arcing and overheating.

The contactor features a built-in coil that can be easily identified by its red insulator. It comes with a shunt trip mechanism that provides an additional safety feature. This mechanism allows the contactor to be tripped manually or automatically when a predetermined fault condition occurs, helping to prevent damage to the circuit or the connected equipment.

The Eaton CN15BN3TB is designed to meet the requirements of NEMA (National Electrical Manufacturers Association) standards, ensuring compatibility with a wide range of electrical systems. It also features a convenient mounting base that allows for easy installation and removal of the contactor from the electrical panel.

Overall, the Eaton CN15BN3TB non-reversing magnetic contactor is a high-performance and reliable electrical component that is well-suited for a variety of industrial and commercial applications. Its durable construction, excellent conductivity, and safety features make it a smart choice for electrical system designers and maintenance professionals.

A Detailed Analysis of the Eaton CN15BN3TB Non-Reversing Magnetic Contactors: Pros, Cons, and Recommendation

The Eaton CN15BN3TB non-reversing magnetic contactor is a widely used electrical component in industrial automation systems. This analysis aims to provide you with an in-depth understanding of its features, advantages, and disadvantages.

1. Robust Construction: The CN15BN3TB contactor boasts a durable, heavy-duty design, which is essential in industrial applications where components are subjected to harsh environments and heavy usage.

2. Versatile Application: This contactor is suitable for various applications, including motor starter, compressor, and heater control, among others, due to its 18A current rating and three-pole configuration.

3. Safety: The Eaton CN15BN3TB contactor comes with an integral overload relay that provides short-circuit protection and reduces the risk of motor damage. Additionally, it features a lockout/tagout mechanism that ensures safety during maintenance and repair.

4. Easy Installation: The contactor's compact size and straightforward wiring requirements make installation quick and uncomplicated.

5. Cost-Effective: Given its robust design, versatility, and ease of use, the Eaton CN15BN3TB contactor offers a reasonable price point for the features it provides.

1. Limited Operating Temperature Range: The CN15BN3TB contactor may not perform optimally in extreme temperatures. It is recommended for applications with a temperature range between -40 C and 70 C.

2. Limited Coil Voltage: The contactor's coil voltage is limited to 277V, making it unsuitable for high-voltage applications.

3. Manual Reset: In case of a fault, the contactor requires manual reset, which may lead to downtime if not addressed promptly.

The Eaton CN15BN3TB non-reversing magnetic contactor is a reliable and cost-effective solution for various industrial applications, offering a robust design, versatility, and safety features. However, its limited operating temperature range and coil voltage, as well as the manual reset function, should be considered before making a purchasing decision.

If your application requires a contactor with a wider operating temperature range, consider the Eaton CN15BN5TB or CN15BN10TB models, which offer extended temperature capabilities. For applications with high-voltage requirements, look into Eaton's offerings of contactors with higher coil voltages. If manual reset is a concern, explore Eaton's range of contactors with automatic reset functionality.

Details:

Electrical boxes. Eaton CN15BN3TB 24vac non-reversing magnetic contactor 3p 18a nema 0: contactor, auxiliary contact form 1no, enclosure rating no enclosure, size 0, coil voltage 24v ac, number of poles 3, full load current - inductive 18 a, reversing capability non-reversing, overall height 3.88 in, width 1.75 terminal connection type screw terminals, frame b, mounting panel, series freedom, auxillary contacts 1, nema, horsepower three phase 240v ac 3 hp, 480v 5 hp details. Receptacles. And enclosures.

Electrical outlet's. Light industrial.

specifications genpurrelays:

• brand: Eaton
• mpn: Cn15bn3tb
• type: Industrial Electrical Controls Automation Electrical Controls
• features: Nema Magnetic Contactor, Auxiliary Contact Form 1no, Nema Enclosure Rating No Enclosure, Nema Size 0, Coil Voltage 24v Ac, Number Of Poles 3, Full Load Current Inductive 18 A, Reversing Capability Non-reversing, Overall Height 3.88 In, Overall Width 1.75 In, Terminal Connection Type Screw Terminals, Frame Size B, Mounting Style Panel, Series Freedom, Number Of Auxillary Contacts 1, Contactor Style Nema, Horsepower Three Phase 240v Ac 3 Hp, Horsepower Three Phase 480v Ac 5 Hp
• item length: 4.500
• item height: 4.800
• item width: 3.700
• country of origin: Do
• weight: 1.2500
• battery included: No
• upc: 782113777566

seller genpurrelays:

• rating: 99.8%
• city: USA
• # reviews: 1318489

shipping genpurrelays:

• service: standard
• type: fixed
• transit: 4-4 days
• class: standard

payments genpurrelays:

• wallet: google-pay
• credit card: diners-club
• other

returns genpurrelays:

• policy: returns accepted
• method: money back
• paid by: seller
• time: 60 days

general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays

offer genpurrelays:

• prices: $286.56–$502.99
• item condition: New
• sold #: 11
• options: ship-to-home
• in stock #: 2
• started: february 6, 2026
• availability: in stock