The A4 enclosure from Danfoss is available in IP 55 (NEMA 12) and IP 66 (NEMA 4X) versions. Power components are rated at up to 4 kW for input voltages of 380-480/500 V (3 phase) and 2.2 kW for 200-240 V (3 phase).
Features of the A4 enclosure include an RFI filter, compliant with EN 55011 Class A1/B, a mains interface suppression choke and a brake module.