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SKU: ACH550-VDR-038A-4-NS
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The ABB ACH550-VDR-038A-4 is an ACH550 series variable frequency drive rated 25 HP (38 A) on 380-480 VAC, 3-phase input. The ACH550 line was ABB's dedicated HVAC drive family, widely applied on supply and return fans, air handling units, cooling tower fans, and centrifugal pumps in commercial buildings.
This VDR configuration is a vertical E-Clipse bypass package with disconnect switch: an electronically controlled bypass lets the motor run across the line if the drive is removed from service.
HVAC-focused features include embedded BACnet MS/TP, Modbus RTU, Johnson Controls N2, and Siemens FLN communication protocols with no add-on cards, two internal PID loops, a real-time clock with timer functions, and preloaded HVAC application macros. The ACH550 series has been discontinued by the manufacturer; the ACH580 series is the current-generation replacement.
| Manufacturer | ABB |
| Series | ACH550 (HVAC drive) |
| Part Number | ACH550-VDR-038A-4 |
| Power Rating | 25 HP |
| Output Current | 38 A |
| Input Voltage | 380-480 VAC, 3-phase |
| Input Frequency | 50/60 Hz |
| Enclosure | UL Type 1 (NEMA 1), wall mount |
| Communications | BACnet MS/TP, Modbus RTU, Johnson Controls N2, Siemens FLN (embedded) |
| Configuration | Vertical E-Clipse bypass with disconnect switch |
| Lifecycle Status | Discontinued by manufacturer (superseded by ACH580 series) |
Extended plans are available at checkout on items $200 and up.
The ABB ACH550-VDR-038A-4 is an ACH550 series variable frequency drive rated 25 HP (38 A) on 380-480 VAC, 3-phase input. The ACH550 line was ABB's dedicated HVAC drive family, widely applied on supply and return fans, air handling units, cooling tower fans, and centrifugal pumps in commercial buildings.
This VDR configuration is a vertical E-Clipse bypass package with disconnect switch: an electronically controlled bypass lets the motor run across the line if the drive is removed from service.
HVAC-focused features include embedded BACnet MS/TP, Modbus RTU, Johnson Controls N2, and Siemens FLN communication protocols with no add-on cards, two internal PID loops, a real-time clock with timer functions, and preloaded HVAC application macros. The ACH550 series has been discontinued by the manufacturer; the ACH580 series is the current-generation replacement.
| Manufacturer | ABB |
| Series | ACH550 (HVAC drive) |
| Part Number | ACH550-VDR-038A-4 |
| Power Rating | 25 HP |
| Output Current | 38 A |
| Input Voltage | 380-480 VAC, 3-phase |
| Input Frequency | 50/60 Hz |
| Enclosure | UL Type 1 (NEMA 1), wall mount |
| Communications | BACnet MS/TP, Modbus RTU, Johnson Controls N2, Siemens FLN (embedded) |
| Configuration | Vertical E-Clipse bypass with disconnect switch |
| Lifecycle Status | Discontinued by manufacturer (superseded by ACH580 series) |
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