Allen Bradley 1204-RWR2-09-B /A Reflected Wave Reduction Device

Allen-Bradley 1204-RWR2-09-B Reflected Wave Reduction Device

The Allen-Bradley 1204-RWR2-09-B is a Reflected Wave Reduction Device (RWR2) designed to mitigate potentially harmful reflected wave spikes that can occur in motor leads, especially in applications with extended cable lengths. This device is specifically engineered for seamless integration with Allen-Bradley 1305 and 160 AC Drives, enhancing the longevity and reliability of motor systems.

Key Features

• Compatibility: Optimized for use with Allen-Bradley 1305 and 160 AC Drives, ensuring efficient performance and protection.
• Current Rating: Supports up to 9 Amperes at 380-575V AC, accommodating a range of industrial applications.
• Carrier Frequency: Recommended operation at 2 kHz, with a maximum allowable frequency of 4 kHz, providing flexibility based on system requirements.
• Enclosure Rating: Rated IP20 (NEMA Type 1), offering protection against solid objects and ensuring safe operation in various environments.
• Mounting Options: Designed for panel mounting, facilitating straightforward installation and integration into existing systems.

Specifications

• Input Power: 380-575V AC, Three-Phase
• Ambient Temperature: Operates efficiently within a temperature range of 0-50°C (32-122°F)
• Humidity: Suitable for environments with 0-95% non-condensing humidity levels
• Vibration Tolerance: Withstands operational vibrations up to 1.0 G
• Altitude Derating: For installations above 1000 meters (3300 feet), derate at 6% of the RWR2 rated amperes per 1000 meters (3300 feet) elevation

Installation Considerations

To achieve optimal performance and protection, the 1204-RWR2-09-B should be installed within 3.0 meters (10 feet) of the drive. Proper mounting on a vertical metal surface with the wiring knockouts positioned at the bottom is essential. Additionally, maintaining adequate clearances around the device ensures proper heat dissipation and safe operation.

By incorporating the Allen-Bradley 1204-RWR2-09-B into your motor drive system, you can effectively reduce the risk of damage caused by reflected wave spikes, thereby enhancing the durability and performance of your equipment.