Product image is representative; revision or series may vary. Contact us to request a specific version.
The 509-CJB from Allen Bradley is a non-reversing motor starter designed for efficient motor management. Suitable for motors up to 25 HP, it can handle continuous currents of 45 A while ensuring reliable operation in industrial settings.
We sell industrial automation parts backed by our free 2-Year DO Supply Warranty.
Same-day domestic and fast international shipping with UPS, FedEx, DHL, and more.
AMEX, Visa, MasterCard, Discover, wire transfer, net terms, and more.
Repairs and exchanges are available for all automation products.
Drop shipping, blind shipping, and account shipping with no extra fees.
| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Non-reversing motor starter |
| Product Line | Bulletin 509 |
| Part Number | 509-CJB |
| Weight | 24.00 lbs (10.89 kg) |
| UPC | 10662072326661 |
| Motor HP | 25 HP |
| Heat Dissipation | 5.9 W |
| Inrush Rating | 483 A peak |
| Service Limit | 52 A |
| Continuous Current | 45 A |
| Enclosure Rating | 3R/12 |
| Enclosure Material | Painted metal |
| Starter Type | DOL operation (Direct-On-Line) |
| Operating Voltage | 460–480 VAC |
| Coil Voltage Range | 85–110% |
| Coil Burden | 29 VA (sealed) |
| Overload Type | Eutectic, temperature-compensated |
| Operator Device | HOA selector switch |
The Allen Bradley 509-CJB is a non-reversing motor starter that facilitates the control of motors rated up to 25 HP. Designed for efficient operation, this unit manages continuous currents of 45 A effectively, making it suitable for various industrial uses and applications where consistent performance is essential. It employs a Direct-On-Line (DOL) starter type, ensuring straightforward and reliable motor activation.
This device is constructed with a painted metal enclosure, providing protection rated at levels 3R and 12, allowing it to withstand certain environmental conditions. Additionally, it features a coil burden of 29 VA and is sealed to ensure longevity and reliability in its operation.
For overload protection, the 509-CJB utilizes a eutectic, temperature-compensated design, which optimally reacts to temperature fluctuations, enhancing motor safety. Users can swiftly control the starter through the HOA (Hand-Off-Auto) selector switch, permitting various operating modes based on operational needs.
The inrush current capacity reaches a peak of 483 A, while the service limit is set to 52 A, indicating the capacity to handle brief surges in voltage necessary during startup. Overall, the 509-CJB motor starter is engineered for operation within a voltage range of 460 to 480 VAC, ensuring effective integration into many electrical systems.