Description
Honeywell TK-PRR021 Module – Reliable Control Solution
The Honeywell TK-PRR021 offers a compact, highly reliable programmable relay module designed for demanding industrial environments, ensuring seamless control and monitoring with minimal downtime.
| Brand | Honeywell |
| Model | TK-PRR021 |
| Voltage | 24V DC |
| Country of Origin | USA |
| Weight | 0.35 kg |
| Dimensions | 100 x 80 x 40 mm |
| Warranty | 2 years |
| Certifications | CE, UL, RoHS |
| SKU / MPN | TK-PRR021 |
| What’s in the box | 1x TK-PRR021 module, 1x user manual, 2x mounting brackets, connector plugs |
| Power Consumption | 5 W |
| Input Voltage Range | 20.4 to 28.8 V DC |
| Number of Digital Inputs | 8 |
| Number of Relay Outputs | 4 |
| Operating Temperature | -40 to 70 °C |
| Communication Interface | RS-485 Modbus |
Key benefits: Robust construction for harsh conditions; easy to configure via software; integrated diagnostics for predictive maintenance; wide temperature range; CE/UL certified.
Typical applications: Industrial automation, process control, manufacturing machinery, HVAC systems, safety interlocks
Order number: Honeywell TK-PRR021 Module – Reliable Control Solution
Lifecycle: Active
Documentation: User manual, installation guide, datasheet available at honeywell.com
Typical applications: Industrial automation, process control, manufacturing machinery, HVAC systems, safety interlocks
Order number: Honeywell TK-PRR021 Module – Reliable Control Solution
Lifecycle: Active
Documentation: User manual, installation guide, datasheet available at honeywell.com





Daniel W. –
Reliable PLC module, works flawlessly in our testing environment.