Description
The Eaton CN15SN3A is a Freedom NEMA motor control contactor designed for reliable switching and control of high-power three-phase motors in industrial systems. This Eaton part number CN15SN3A supports a 270 A current rating and is built as a non-reversing NEMA Size 5 contactor for demanding motor control applications. Its durable construction and standardized control coil design make it suitable for heavy-duty motor starters and control panels.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Eaton |
| Category |
Motor Control |
| Part Number |
CN15SN3A |
| Subcategory |
Contactor |
| Product Type |
Motor Control Contactor |
| Series |
Freedom |
| NEMA Frame Size |
NEMA Size 5 |
| Configuration |
Non-reversing |
| Phase |
Three-phase |
| Amperage Rating |
270 A |
| Horsepower Rating |
75 hp @ 208 V; 100 hp @ 240 V; 200 hp @ 480/600 V |
| Control Coil Voltage |
120 V (60 Hz) / 110 V (50 Hz) |
| Overload Relay |
None |
| Relay |
None |
| Certifications |
UL Listed, CSA Certified |
| Dimensions (L × W × H) |
7.78 × 7.05 × 13.12 in |
| Weight |
27.6 lb |
Information About CN15SN3A
The CN15SN3A is a NEMA Size 5 motor control contactor from Eaton’s Freedom series, engineered to manage high-capacity motor loads in industrial automation systems. It operates as a three-phase, non-reversing contactor and uses a common control configuration for integration into motor control circuits. The device is designed to switch large motors with horsepower ratings up to 200 hp at 480/600 V, making it suitable for heavy-duty industrial equipment and machinery. Built to meet UL and CSA certification standards, it ensures safe and reliable operation in motor control centers, panelboards, and industrial control systems.
Key Features:
- NEMA Size 5 Contactor: Designed for heavy-duty motor control applications requiring high switching capacity.
- 270 Amp Current Rating: Handles large motor loads in industrial electrical systems.
- Three-Phase Operation: Supports standard three-phase motor control circuits used in industrial environments.
- Non-Reversing Configuration: Provides straightforward motor start/stop control without directional switching.
- High Horsepower Capacity: Supports motors up to 200 hp at 480/600 V for large equipment applications.
- Standard Control Coil: Operates with a 120 V (60 Hz) or 110 V (50 Hz) coil for common industrial control voltages.
- Freedom Series Design: Part of Eaton’s widely used motor control platform known for durability and reliability.
- UL and CSA Certified: Approved for industrial motor control installations in regulated electrical environments.
The CN15SN3A delivers the reliability and precision required for controlling high-capacity motors in industrial automation and power distribution systems.
