Overview
The Allen-Bradley 22-RF012-BS /A is a PowerFlex 4 Class S Type EMC line filter rated for 12 A, 3-phase 380-480 VAC input. It is engineered to suppress conducted RFI/EMI emissions from PowerFlex 4, 4M, 40, and 40P AC drives, helping installations meet CE and EMC directive requirements. The Series A unit is panel-mount with an IP20/UL-NEMA Open enclosure suitable for in-cabinet installation alongside the drive.
Key Features
- S Type EMC filter designed specifically for PowerFlex 4 Class drives
- 12 A continuous current rating for motors up to 3.7 kW / 5 HP
- 3-phase 380-480 VAC, 50/60 Hz input compatibility
- Short cable length variant — optimized for installations close to the drive
- Panel-mount, IP20 / UL-NEMA Open Type enclosure
- Global certifications: UL, cUL, CE, C-Tick, CCC, GOST, KC
Technical Specifications
Key verified specifications for the Allen-Bradley 22-RF012-BS /A line filter are listed below.
Typical Applications
This filter is commonly installed ahead of PowerFlex 4-family variable frequency drives in OEM machinery, conveyor systems, pumps, fans, and packaging equipment where conducted-emission compliance is required. It is also used as a service spare in industrial control panels that must remain CE-compliant after drive replacement.
Compatibility & Replacements
The 22-RF012-BS /A is intended for use with Allen-Bradley PowerFlex 4M, PowerFlex 4, PowerFlex 40, and PowerFlex 40P AC drives in the 380-480 VAC, 0.4-3.7 kW range. It is also referenced as catalog 22-RF012-BS Series A. Always confirm drive frame size, current rating, and cable-length class against the PowerFlex 4 Class User Manual before installation.



