Parameter Value
Model Number POL687.70/STD (also known as
POL68770STD; Internal Part No.: S55396 –
C877 – A100)
Product Series Siemens Climatix HVAC Controller
Power Supply 24 VAC/DC
Total I/O Count 27 Points
Analog Inputs (AI) 3 channels, compatible with NTC 10k and
NTC 100k temperature sensors
Digital Inputs (DI) 2 passive inputs, 2 isolated AC 24V inputs, 2
isolated AC 115/230V inputs
Universal I/O (UIO) 8 channels, configurable as analog or digital
I/O
Relay Outputs (DO – Relay)
8 channels (6 normally – open, 2 single –
pole double – throw)
Solid – State Relay Outputs (DO – SSR)
2 channels, suitable for AC 24/115/230V
Communication Interfaces
Ethernet, RS485, KNX; Supports Modbus,
JSON, Pl – Link protocols
Local Interfaces SD card slot, USB port, built – in HMI
Operating Temperature
– 40°C to +70°C (- 40°F to +158°F) (typical
industrial control range)
Dimensions 21.30 × 12.10 × 11.00 cm
Weight 2.43 lbs (approximately 1.1 kg)
About the HVAC controller POL687.70/STD POL687.70STD Siemens
The HVAC controller POL687.70/STD POL687.70STD Siemens is a oil drilling equipment used in industrial automation, control and power systems. It is rated at POL68770STD; Internal Part No S55396. This oil drilling equipment is supplied as new, original industrial-grade stock. Each unit is identified by manufacturer part number HVAC controller POL687.70/STD POL687.70STD Siemens for accurate procurement and cross-referencing.
Why source the HVAC controller POL687.70/STD POL687.70STD Siemens from HDE123
- Verified part number: every HVAC controller POL687.70/STD POL687.70STD Siemens is checked against its manufacturer specification before shipment.
- 1 confirmed technical parameters available on this page for engineering review.
- Global delivery with clear lead time and commercial invoice for B2B buyers.
- Fast B2B support: send us the equipment model or an existing part number and our engineers confirm compatibility before you order.
Ordering the HVAC controller POL687.70/STD POL687.70STD Siemens
To order the HVAC controller POL687.70/STD POL687.70STD Siemens, add it to your cart and complete checkout, or use the Request a Quote form for volume purchases and replacement / cross-reference enquiries. Lead time: typically 3–10 working days for in-stock items, subject to confirmation. Worldwide shipping is available and a commercial invoice is provided for customs.