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The 509-COD-A4H from Allen Bradley is a non-reversing direct-on-line starter tailored for robust motor control applications. This unit operates efficiently at a coil rating of 120 V AC and can handle continuous currents up to 45 amperes.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Non-reversing DOL starter |
| Product Line | Bulletin 509 |
| Part Number | 509-COD-A4H |
| Weight | 3.00 lbs (1.36 kg) |
| Enclosure | Open |
| NEMA Size | Size 2 |
| Coil Rating | 120 V AC 60 Hz |
| Starter Method | Direct-on-line |
| Overload Protection | SMP thermal type |
| Max Operating Voltage | 600 V AC |
| Continuous Current | 45 A |
| Coil Operating Range | 85–110% of rating |
| Coil VA (sealed) | ~38 VA |
| Aux Contact Capacity | Up to 8 |
| Motor Power | ~7.5 HP @ 230 V |
The 509-COD-A4H, part of the Bulletin 509 series by Allen Bradley, represents a reliable non-reversing direct-on-line (DOL) starter designed for controlling motor operations effectively. This model utilizes an open-style configuration, which is practical for various installation environments and provides ease of access for maintenance. It meets NEMA Size 2 specifications, making it suitable for a range of industrial applications.
The coil operates at a rating of 120 V AC with a frequency of 60 Hz. Furthermore, it is designed to work within an operating range of 85 to 110% of the rated coil voltage, ensuring stable performance. The device can manage continuous currents of up to 45 A seamlessly, accommodating various motor loads. For extreme situations, the maximum operating voltage is set at 600 V AC.
To prevent overheating and ensure operational safety, this DOL starter incorporates SMP thermal overload protection, which is crucial for safeguarding motors against excessive current conditions. The motor power aligns at approximately 7.5 HP when operating at 230 V, confirming its capacity to handle typical motor requirements.
In addition to its core functionalities, the 509-COD-A4H supports auxiliary contacts, allowing for a flexible configuration of up to 8 contacts, expanding its applicability in complex control schemes. The sealed coil draws roughly 38 VA, optimizing energy consumption while maintaining reliable operation of the starter.