EATON 189882 3-Pole Motor Protection Circuit Breaker 0.09kW 0.25-0.4A

The EATON 189882 is a high-quality 3-pole motor protection circuit breaker engineered to provide robust control and safety for electrical motors. Designed for precision, this device effectively manages motor operations while safeguarding against electrical faults. It is specifically calibrated for motors with a power rating of 0.09kW, offering a reliable solution for maintaining consistent performance in various industrial and commercial environments.

Advantages

This motor protection circuit breaker offers exceptional reliability by combining overload and short-circuit protection in a single compact unit. Its adjustable thermal release range allows for precise calibration to the specific requirements of the connected motor, ensuring optimal protection levels. The robust construction ensures long-term durability and operational stability, reducing the risk of equipment damage and minimizing downtime in critical electrical systems.

Suitable for

• Industrial motor control systems
• Commercial HVAC equipment
• Pump and fan motor protection
• Small-scale machinery automation

When it may not be suitable

This device is not intended for use with motors exceeding the 0.09kW power rating or those requiring a current range outside the 0.25-0.4A threshold. It is also not suitable for high-voltage applications or environments that require specialized explosion-proof protection.

Key specifications

• Number of poles: 3
• Thermal release range: 0.25-0.4A
• Motor power rating: 0.09kW
• Function: Overload and short-circuit protection

How to use

The device should be installed by a qualified electrician within a standard electrical enclosure. After mounting the unit onto a DIN rail, connect the power supply and motor cables to the designated terminals, ensuring all connections are tightened to the specified torque. Once installed, the thermal release should be adjusted to the rated current of the motor to ensure proper protection. Regular inspections should be conducted to verify that the device remains free from debris and that all connections stay secure.

What to consider before purchase

• Verify the motor's full-load current matches the 0.25-0.4A adjustment range.
• Ensure the power rating of the motor does not exceed 0.09kW.
• Confirm the installation environment meets the necessary IP rating requirements for the enclosure.

Usage recommendations

Always disconnect the power supply before performing any maintenance or adjustments to the circuit breaker. Ensure that the thermal release setting is correctly calibrated to the motor's nameplate data to prevent nuisance tripping or inadequate protection.