FANUC A03B-0403-C020 — Option Module

Part number	A03B-0403-C020
Brand	FANUC
Description	Option Module
Manufacturer	FANUC
Product Type	Option Module
Product Line	A03B
Part Number	A03B-0403-C020
Weight	2.88 lbs (1.30 kg)
Display Module	Yes
Encoder Readout Module	Yes
Spare Part/Accessory	Yes
Commodity Production Applications	Supported
Advanced Machining Applications	Supported
CNC Milling Applications	Supported
Operating Temperature	0 to 40 degrees Celsius
Storage Temperature	0 to 50 degrees Celsius
Maximum Operating Humidity	80% (non-condensing)
Maximum Storage Humidity	80% (non-condensing)
Maximum Operating Altitude	1000 meters above sea level
Maximum Storage Altitude	1000 meters above sea level

The A03B-0403-C020 from FANUC is an option module that integrates seamlessly with various CNC systems. This module features both display and encoder readout functionality, making it suitable for various applications, including commodity production and advanced machining.

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.