TK-MUX021
PublishedSerial Interface Module
HoneywellControl Systems (PLC & DCS)Communication ModuleIndustrial supply
Honeywell TK-MUX021 (51404391-375) RS485 serial communication interface module for TDC3000/Series C. 24 VDC, Class I Div 2, rack or panel mount, operating -40 to +85 C.
Wholesale supplyTK-MUX021
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameSerial Interface Module
Item number / codeTK-MUX021
BrandHoneywell
Product lineIndustrial supply
CategoryControl Systems (PLC & DCS)
Product typeCommunication Module
Technical data14 rows
Part number51404391-375 Function
ModelTK-MUX021
Voltage24 VDC
Compact & VersatileSmall footprint with flexible mounting options
Dimensions10.8 cm × 8.7 cm × 7.8 cm
FunctionSerial communication interface (RS485 protocol)
Hazardous Area CertifiedSuitable for Class I Div. 2 installations
Humidity Range5% to 95% RH (non-condensing)
Input Voltage24 VDC
Low Power ConsumptionEfficient operation across multiple voltage levels
Mounting OptionsRack or panel mount
OEM Quality AssuranceFactory-sealed and compliant with global standards
Operating Temperature–40°C to +85°C
Part Number51404391-375
Reference numbers1 public
HoneywellTK-MUX021