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The 40185-802-01 overload relay from Allen Bradley is engineered for motor overload safeguarding. Designed to function with Bulletin 509 NEMA Size 4 starters, it effectively protects motors against thermal overload with a reliable 3-pole configuration.
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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Overload Relay |
| Product Line | NEMA Controller Operator Kit |
| Part Number | 40185-802-01 |
| Weight | 1.44 lbs (0.65 kg) |
| Application | Motor overload protection |
| Compatible Starter | Bulletin 509 NEMA Size 4 |
| Poles | 3-pole |
| Voltage Rating | 120–600 VAC |
| VA Rating | 7200 VA |
| Break Rating | 720 VA |
| Technology | Eutectic alloy thermal overload |
| Enclosure Type | Open type |
| Mounting | Kit for Size 4 starter assembly |
| Operating Temperature | 0–70 °C |
| Function | Thermal protection against overcurrent |
The Allen Bradley 40185-802-01 overload relay is specifically designed for motor overload protection applications, ensuring operational reliability. It integrates with Bulletin 509 NEMA Size 4 starters and features a robust 3-pole configuration for optimal circuit management. The voltage rating accommodates a wide range of 120–600 VAC, making it versatile for various motor setups.
With a total VA rating of 7200 and a break rating of 720 VA, this overload relay demonstrates strong performance metrics suitable for various industrial environments. It employs eutectic alloy thermal technology, allowing for precise thermal overload protection against excessive current. This function is critical for maintaining motor integrity and preventing potential damage during operation.
This unit is categorized as an open-type enclosure, facilitating efficient heat dissipation while in use. Its installation is designed to align with the starter assembly for Size 4 units. It operates effectively within a temperature spectrum of 0 to 70 °C, showcasing a durable design that maintains functionality in typical industrial conditions. The 40185-802-01 overload relay is essential for enhancing the longevity and reliability of motor operations in various industrial settings.