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AA33AB
The AA33AB from Eaton Cutler-Hammer is a thermal overload relay designed for effective motor protection. This model accommodates a full load current range of 19 to 90 A and features three poles, ideal for various applications.
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Technical specifications for AA33AB
| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Thermal Overload Relay |
| Product Line | Freedom Series |
| Part Number | AA33AB |
| Weight | 2.13 lbs (0.96 kg) |
| UPC | 782113000564 |
| Number of Poles | 3 Poles |
| Full Load Current Range | 19 to 90 A |
| Trip Type | Thermal Type A |
| Mounting Style | Starter Mounted |
| Number of N.C. Auxiliary Contacts | 1 N.C. Contact |
| Enclosure Compatibility | Open and NEMA Type 1, 3R, 4/4X, and 12 |
| Terminal Configuration | Box lug / screw terminals suitable for copper/aluminum conductors |
| Min. Relative Humidity | 5% (Non-Condensing) |
| Max. Relative Humidity | 95% (Non-Condensing) |
The Eaton Cutler-Hammer AA33AB is a thermal overload relay that plays a crucial role in motor protection. With a weight of 2.4 lbs, this device is designed for three-pole configurations, making it well-suited for three-phase systems. It has a full load current range from 19 A to 90 A, ensuring compatibility with a variety of motor sizes and applications.
The trip mechanism is a thermal type A, providing reliable operation by responding to motor overload conditions. This relay mounts directly onto starters for ease of installation and maintenance. It features one normally closed auxiliary contact, enabling additional control capabilities in system setups.
Compatible with open types and NEMA enclosure ratings of Type 1, 3R, 4/4X, and 12, the AA33AB delivers flexibility for use in different environments. The terminal configuration includes box lug and screw terminals, accommodating both copper and aluminum conductors, which enhances its versatility.
Environmental resilience is a key feature, with an operational humidity range of 5% to 95% (non-condensing). This range supports functionality in various conditions while maintaining reliable performance. Overall, the AA33AB thermal overload relay is a robust choice for protecting motors in industrial applications.
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