SIEMENS防霜恒温开关QAF81系列技术参数
Technical data | |
Setpoint adjustment range Wh | -5...+15 °C (23...59 °F) |
Factory setting w 5 | °C (41 °F) |
Switching differential SD | 2 ± 1 °C (3.6 ±1.8 °F) |
Repeatability | ±0.5 °C (±0.9 °F) |
Responsive length of sensor | Approx. 0.3...1 m |
Type of switch | Single pole change-over |
Contact rating | AC 250 V, 15(1.2) A DC 30 V, 15(1.5) A |
Reset mechanism | QAF81.3, QAF81.6 Automatic |
Admissible medium | Air |
Orientation | Any |
Electrical connection | |
Screw terminals for | 1.5 mm2 |
Cable entry | Threaded M 20 x 1.5 |
Protection class | I to EN 60 730-1 |
Protection degree of housing | IP54 to EN 60 529 |
with cable gland (M20x1.5 IP65) | IP65 to EN 60 529 (not included as standard) |
Product standard | EN 60730-1 |
EU Conformity (CE) | CA1T1284xx*) |
Ambient temperature | |
Max. operating temperature | 70 °C (158 °F) |
Min. operating temperature | w + min. 2 °C (min. 3.6 °F) |
Storage | -30...+70 °C (- 22...+158 °F) |
Destruction limit tsmax | 140 °C (284 °F) |
Materials | |
Housing D | ie-cast aluminium |
Bellows housing | Copper |
Capillary | Copper |
Capillary contents | Freon R134a |
Contacts | Ag (Silver) |
Weight (including packaging) | 0.9 kg |
Maintenance | None required |
SIEMENS防霜恒温开关QAF81系列介绍
霜冻装置 QAF81... 用于通风和空调系统中 LTHW 加热盘管温度的空气侧监控，用于防止霜冻损坏。 它具有开关差小、重复性好等特点。 复位自动发生（QAF81.6M 需要手动复位）。
• 坚固的铝压铸外壳
• 对任何 30 - 100 厘米长度的毛细管上感测到的温度变化做出响应
• 切换差异小
• 良好的重复性
• 设定值调整 (-5...+15 °C)
• 防护标准IP54 (65)
The frost unit QAF81... for air-side monitoring of the temperature of LTHW heating coils in ventilation and air conditioning systems is used to prevent frost damage. It has a small switching differential and good repeatability. The reset occurs automatically (manual reset required with QAF81.6M).
• Robust aluminium die-cast housing
• Responds to temperature change sensed over any 30 - 100 cm length of capillary
• Small switching differential
• Good repeatability
• Setpoint adjustment (-5...+15 °C)
• Protection standard IP54 (65)
SIEMENS防霜恒温开关QAF81系列其他常用型号：
SIEMENS QAF81.3
SIEMENS QAF81.6
SIEMENS QAF81.6M
SIEMENS THERMOSTATS NEW + ORIGINAL+ ONE YEAR WARRANTY
爱泽工业成立于2010年，定位于向制造工业提供高端制造技术和设备。代理经营世界优质的电气自动化、机械与传动、流体控制、仪器仪表、工具等产品。作为电气，液压以及气动解决方案的合作伙伴，我们利用我们的全球协作团队，为客户提供先进解决方案，市场知识以及相关增值服务来帮助优化客户的工作效率，提高可靠性和安全性，致力于成为工业产品和解决方案的优质渠道。
如果有任何关于SIEMENS防霜恒温开关QAF81.3的疑问，请随时与我们沟通（021-31006702）。我们将尽全力解决您的问题。
If you have any question for SIEMENS products, please feel free to dial 0086-21-3100 6702/ send request email to sales@ize-industries.com / browse our website:www.ize-industries.com.
SIEMENS防霜恒温开关QAF81系列QAF81.3技术参数及介绍
