FANUC IC660BSM021 — The GE Fanuc IC660BSM021 Genius I/O Bus Switching Module (BSM) is for the Genius I/O Bus System

Part number	IC660BSM021
Brand	FANUC
Description	The GE Fanuc IC660BSM021 Genius I/O Bus Switching Module (BSM) is for the Genius I/O Bus System
Manufacturer	GE Fanuc Emerson
Product Line	Genius I-O
Part Number	IC660BSM021
Weight	0.06 lbs (0.03 kg)
Description	Genius I/O Bus Switching Module (BSM)
Application	Genius I/O Serial Bus
Operating Voltage	18 to 56 Volts DC
I/O Capacity	8 Discrete Analog I/O Blocks
Maximum Current Draw	60 Milliamps at 48 Volts DC
Switching Time	Less than 20 Milliseconds
Configuration	Handheld Monitor or CPU
Minimum Reliablity Rating	500,000 Operations

The GE Fanuc IC660BSM021 Genius I/O Bus Switching Module (BSM) is for the Genius I/O Bus System. This module has 2 serial connectors and 24/48 Volts DC operating voltage, and it can accommodate up to 8 I/O blocks on the same dual serial bus.

Also written as

IC660BSM021E

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.