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ABB 3AXD50000751945 — Inverter / VFD

ABB 3AXD50000751945 ACH531 HVAC Drive, 4 kW, 9.4 A, IP20

MPN3AXD50000751945
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ABB ACH531-01-09A5-4+J400, LV AC wall-mounted drive for HVAC, 4 kW, 9.4 A, 380-500 V, IP20, frame R1, IE2.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

3AXD50000751945 specifications
ParameterValue
MountingWall-mounted
Enclosure type NEMAOpen Type
Input voltage380 ... 500 V
Output current, normal use9.4 A
Output current, Light-Overload use8.9 A
Output power, normal use4 kW
Output power, Light-Overload use4 kW
Frequency47.5 ... 63 Hz
Phases3-phase
IP ratingIP20
Frame sizeR1
Efficiency levelIE2

Product details

The ABB ACH531-01-09A5-4+J400 (order code 3AXD50000751945) is a wall-mounted LV AC drive built for HVAC fan and pump duty. It delivers 4 kW normal-use output at 9.4 A from a 380-500 V three-phase supply, frame size R1, IP20 enclosure.

Rated output current of 9.4 A (normal use) and 8.9 A (light-overload) covers most 4 kW IEC induction motors in HVAC service. IE2 efficiency class aligns with current European Ecodesign requirements for this power band.

Wall-mounted, open-type (NEMA Open) with IP20 protection — suitable for clean, dry indoor panels. Frame R1 footprint keeps cabinet fill manageable. No gland plate or conduit knockouts; plan for cable entry via the panel bottom.

Frequently asked questions

What is the frame size of this drive?

Frame size R1, which is the smallest frame in the ACH531 family, sized for 4 kW output.

MPN
3AXD50000751945