Panasonic MSD043A1XX — The MSD043A1XX is an AC servo driver from Panasonic's MS Series

Part number	MSD043A1XX
Brand	Panasonic
Category	Servo Drive
Description	The MSD043A1XX is an AC servo driver from Panasonic's MS Series
Manufacturer	Panasonic
Product Line	MS Series
Part Number	MSD043A1XX
Weight	1.25 lbs (0.57 kg)
Name	AC Servo Driver
Ambient Vibrations	4.9 m/s² (0.5G) or less, 10 to 60 Hz
Applicable Load Inertia	Less than 30 times the inertia of motor (400W or less)
Output of Applicable Motor	400W
Power Source Rated Voltage	200V AC
Power Source Voltage Range	200 to 230 VAC
Power Source Voltage Phase	3-phase
Rotary Encoder Specification	Incremental encoder
Encoder Pulse Count	2500 p/r
Control Method	Transistor PWM (sine-wave form)
Regenerative	Built-in resistor
Ambient Operational Temperature	0 to 50°C
Ambient Storage Temperature	-20 to 80°C
Ambient Humidity	90% RH or less (no condensation)

The MSD043A1XX is an AC servo driver from Panasonic's MS Series. Designed to support motors up to 400W, it operates efficiently under various conditions and includes features like a regenerative built-in resistor and an incremental encoder with a pulse count of 2500 p/r.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.