Siemens QAA2220.EWNN Temperature Sensor Room (1 Pack)

Product Description

Siemens QAA2220.EWNN is a QAA2200 series room temperature sensor that provides resistance output for building automation and HVAC control systems. The unit uses a 1 kOhm platinum RTD (385) sensing element and offers universal signal formats, a blank front to prevent unauthorized adjustments, and ventilation slots for fast response. It includes installation hardware for mounting on a 2 in x 4 in electrical box or directly to drywall and operates from 18 to 36 Vdc or 24 Vac ±20%.

• 1 kOhm platinum RTD (385) sensing element with resistance output for HVAC and building automation compatibility
• Universal signal formats, blank front version to limit access, and strategically placed ventilation slots for fast response
• Includes mounting hardware for 2 in x 4 in electrical box or direct wall mount; supply 18–36 Vdc or 24 Vac ±20%

Product Highlights

Room-mounted resistance-output temperature sensor (QAA2200 series) with 1 kOhm platinum RTD, universal signal formats, blank front, ventilation slots, and mounting hardware; UL916 approved.

Product Information

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: QAA2220.EWNN
• Country of Origin: United States

Technical Specifications

• Brand: Siemens
• Manufacturer Part Number: QAA2220.EWNN
• Series: QAA2200
• Product Type: Room temperature sensor
• Sensor Element: 1 kOhm platinum RTD (385)
• Nominal Resistance: 1 kOhm at 32°F
• Output Signal: Resistance
• Supply Voltage: 18 to 36 Vdc or 24 Vac ±20%
• Measuring Range: 13°F to 95°F (≈ -10.6°C to 35°C)
• Accuracy: 1 kΩ Pt (RTD): ±0.54°F (0.3°C) @ 32°F (0°C)
• Dimensions: 4.5 x 2.75 x 1.125 inches (115 x 70 x 30 mm)
• Approvals: UL916
• Mounting Type: Mounts on standard 2 in x 4 in electrical box or directly to drywall (screws and anchors included)
• Display: No (blank front version)
• Application: Room, classroom, office temperature monitoring and HVAC/building automation controls
• Package Quantity: 1
• Country of Origin: United States