Description
SIEMENS QAF65.6AR-J
Reliable frost protection for HVAC systems with precise temperature control and long service life
| Brand | SIEMENS |
| Model | QAF65.6AR-J |
| Voltage | 230V AC |
| Country of Origin | Germany |
| Weight | 0.2 kg |
| Dimensions | 85x85x55 mm |
| Warranty | 24 months |
| Certifications | CE, UL, EN 60730 |
| SKU / MPN | QAF65.6AR-J |
| What’s in the box | Thermostat unit, mounting screws, installation manual |
| Setpoint Range | 5…30 °C |
| Sensor Type | Bimetallic strip |
| Contact Rating | 16 A, 230V AC |
| Protection Class | IP30 |
| Differential | ±1 K |
| Mounting | Wall or DIN rail |
Key benefits: Accurate temperature sensing, robust design, easy installation, energy-saving frost prevention, compatible with most HVAC systems
Typical applications: Frost protection for pipes, air handling units, heat exchangers, greenhouses, cold storage rooms
Lifecycle: Active product, standard availability
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.







Andrew C. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.