The Honeywell 621-3550 Input Module is a 16-channel digital input module that expands the I/O capabilities of a Honeywell controller. It has 16 opto-isolated inputs that can be used to sense switches, sensors, and other digital devices. The module is powered by a 24VDC power supply and communicates with the controller using the Honeywell BACnet protocol.
16-channel digital input module
Expands I/O capabilities of Honeywell controllers
16 opto-isolated inputs for switches, sensors, and other digital devices
24VDC power supply
Honeywell BACnet protocol
Other Attributes
Series: Honeywell IPC
Country of Origin: USA
Lead Time: In Stock, 2 Working Days
In Stock Hot Items of Honeywell
| FC-SDO-1624 | 8C-PAIH51 | MC-TAMR03 51309218-175 |
| FC-TSDI-1624 | 8C-PAIH51*E | MC-TAOY22 51204172-175 |
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