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) engineered to mitigate potentially harmful voltage spikes caused by reflected waves in motor drive systems. This device is particularly effective when used in conjunction with Allen-Bradley 1305 and 160 AC Drives, enhancing the longevity and reliability of motor insulation and overall system performance.

Key Features

• Voltage Compatibility: Operates efficiently within a voltage range of 380 to 575 volts AC, accommodating a variety of industrial applications.
• Current Rating: Designed to handle up to 9 amperes, making it suitable for medium-capacity motor drives.
• Carrier Frequency: Optimized for a recommended carrier frequency of 2 kHz, with a maximum allowable frequency of 4 kHz, providing flexibility in drive configurations.
• Mounting Configuration: Features a B Frame design, allowing for both stack and book-style mounting options to suit different installation requirements.
• Enclosure Rating: Rated IP20 (NEMA Type 1), offering protection against solid objects and ensuring safe operation in controlled environments.

Installation and Compatibility

The 1204-RWR2-09-B is designed for seamless integration with Allen-Bradley 1305 and 160 AC Drives. When installed near the drive, it effectively reduces reflected wave spikes that can occur with long motor leads, thereby protecting motor insulation and extending equipment lifespan. Proper installation involves panel mounting, with attention to wiring and grounding procedures to ensure optimal performance.

Specifications

• Input Power: 380-600 VAC, Three-Phase
• Ambient Temperature: 0-50°C (32-122°F)
• Humidity: 5-95% Non-Condensing
• Altitude Derating: Above 1000 meters (3300 feet), derate at 6% of RWR2 rated amperes per 1000 meters (3300 feet) elevation.

By incorporating the Allen-Bradley 1204-RWR2-09-B into your motor drive system, you can significantly reduce the risk of voltage spikes, ensuring smoother operation and enhanced durability of your equipment.