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Overview
The ABB R4 Flange Mounting Kit (SKU: FMK-A-R4) enables external heatsink mounting of ACS550 drives outside third-party enclosures, optimizing space and thermal management in industrial applications. Compatible with UL Type 1 and 12 (NEMA 1 and 12) enclosures, this kit allows flexible installation where enclosure space is limited. The drive cover must be removed during installation, reducing the IP rating to IP00. This kit is part of the R1 through R4 series, offering versatility for different mounting configurations. Ideal for custom enclosure setups, it supports reliable performance in demanding environments while maintaining compatibility with third-party hardware. The FMK-A-R4 is designed for engineers and system integrators requiring precise control over drive placement and thermal dissipation.
- Enables external heatsink mounting for ACS550 drives
- Compatible with UL Type 1 and 12 (NEMA 1 and 12) enclosures
- IP00 rating when cover is removed
- Part of R1 through R4 series for versatile mounting options
- Ideal for space-constrained and custom enclosure applications




