Siemens POL638.00/STD Programmable Controller
500,00$
PROGRAMMABLE CONTROLLER
Siemens POL638 is a Climatix freely programmable controller for HVAC automation, offering 24V AC/DC operation, high I/O flexibility, and modular expansion options for smart building control.SIEMENS POL638 PROGRAMMABLE CONTROLLER
The Siemens POL638 is a Climatix series freely programmable controller engineered for advanced HVAC automation. It supports seamless integration with Climatix I/O and communication modules, providing flexible control for complex building systems.
Manufacturer: Siemens
Type: Programmable Controller
Family: Climatix Controllers
Model: POL638
MRN: POL638.00/STD
REF NO: EAN7612914064028
Climatix freely programmable controller can be connected to Climatix extension I/O modules or Climatix communication modules.
| Power Supply | 24 V AC, 24 V DC |
| Frequency | 50 / 60 Hz |
| Current (without extension) | 1.8 A @ 24 VAC, 1.0 A @ 24 VDC |
| Current (for extension modules) | Max. 2.2 A @ 24 VAC / 3.0 A @ 24 VDC |
| Digital Inputs Voltage | 24 V DC |
| Digital Inputs Current | 8 mA |
| Digital Inputs Delay | 10 ms |
| Pulse Frequency | Max. 30 Hz |
| Analog Output Resolution | 11 mV |
| Analog Output Current | 2 mA (short circuit proof) |
| Digital Output Switching | 24 V DC, Max. 25 mA Capacity |
| Protection | IP20 to EN 60529 with RJ45 jack / IP10 without RJ45 jack |





















