The Heinemann CD3-A3A0A3-DU Circuit Breaker is a robust and reliable component designed to safeguard electrical systems from overcurrent conditions. With a 30-ampere capacity and a voltage rating of 240 VAC, this three-pole breaker is well-suited for various industrial and commercial applications.
Key Features
- Amperage Rating: 30 Amperes
- Voltage Rating: 240 Volts AC
- Pole Configuration: Three-Pole
- Trip Mechanism: Magnetic-Hydraulic
- Frequency: 50/60 Hz
- Mounting: Panel Mount with Threaded Holes
- Terminal Type: Screw Terminals
Design and Construction
Constructed with a durable plastic case, the CD3-A3A0A3-DU measures approximately 5.13 inches in length and 2.07 inches in width. Its design includes a trip-reset actuator function, ensuring straightforward operation and maintenance. The breaker features a series trip release method, providing effective overcurrent protection.
Applications
This circuit breaker is ideal for use in distribution boxes and generator systems, offering reliable protection against short circuits and overloads. Its three-pole configuration makes it suitable for three-phase electrical systems, commonly found in industrial settings.
Installation and Compatibility
The CD3-A3A0A3-DU is designed for easy installation with its panel mount configuration and screw terminals. It is compatible with systems operating at 240 VAC and can handle frequencies of 50 or 60 Hz, providing flexibility across different electrical setups.
In summary, the Heinemann CD3-A3A0A3-DU Circuit Breaker combines durability, reliability, and ease of use, making it a valuable component for protecting electrical systems in various industrial applications.













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