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The Eaton Cutler-Hammer BA33A is an overload protection relay designed for robust electrical applications. It operates within a current range of 19 to 90 Amperes and supports an operating voltage of up to 600 Volts AC.
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| Manufacturer | Eaton Cutler-Hammer |
|---|---|
| Product Type | Overload Protection Relay |
| Product Line | Freedom Series |
| Part Number | BA33A |
| Weight | 2.00 lbs (0.91 kg) |
| UPC | 786678003221 |
| Mounting Mode | Direct mount |
| Contact Configuration | 1 Normally Closed (NC) contact |
| Current Range | 19 to 90 Amperes at full load |
| Operating Mechanism | Calibrated heaters |
| Terminal Type | Threaded |
| Overload Relay Type | Type B, Class 20 |
| Type of Trip Unit | Bi-metal trip unit |
| Operating Voltage | 600 Volts AC |
| Working Frequency | 50 to 60 Hertz |
| Operating Phase | 3-phase |
| Poles Quantity | 3 poles |
The BA33A by Eaton Cutler-Hammer is an overload protection relay built for durability in demanding environments. This device operates across a current span of 19 to 90 Amperes at full load, making it suitable for a variety of applications. Designed for direct mounting, it simplifies installation into existing setups. This relay includes 3 poles to ensure effective phase management in 3-phase systems.
Its contact configuration features one normally closed (NC) contact, facilitating dependable operation in case of overload conditions. The relay is triggered by a bi-metal trip unit, which utilizes calibrated heaters for precise activation based on the current load. Constructed with threaded terminals, the BA33A enables secure and reliable electrical connections. This overload relay supports an operating voltage up to 600 Volts AC and accommodates a working frequency ranging from 50 to 60 Hertz. Classified as Type B, Class 20, it is designed to deliver robust overload protection and quick response, safeguarding connected equipment against potential damage.