SIEMENS防霜恒溫開關QAF81系列技術參數(shù)
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防霜恒溫開關QAF81系列介紹
霜凍裝置 QAF81... 用于通風和空調系統(tǒng)中 LTHW 加熱盤管溫度的空氣側監(jiān)控，用于防止霜凍損壞。 它具有開關差小、重復性好等特點。 復位自動發(fā)生（QAF81.6M 需要手動復位）。
? 堅固的鋁壓鑄外殼
? 對任何 30 - 100 厘米長度的毛細管上感測到的溫度變化做出響應
? 切換差異小
? 良好的重復性
? 設定值調整 (-5...+15 °C)
? 防護標準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防霜恒溫開關QAF81系列其他常用型號：
SIEMENS QAF81.3
SIEMENS QAF81.6
SIEMENS QAF81.6M
SIEMENS THERMOSTATS NEW + ORIGINAL+ ONE YEAR WARRANTY
愛澤工業(yè)成立于2010年，定位于向制造工業(yè)提供高端制造技術和設備。代理經(jīng)營世界優(yōu)質的電氣自動化、機械與傳動、流體控制、儀器儀表、工具等產品。作為電氣，液壓以及氣動解決方案的合作伙伴，我們利用我們的全球協(xié)作團隊，為客戶提供先進解決方案，市場知識以及相關增值服務來幫助優(yōu)化客戶的工作效率，提高可靠性和安全性，致力于成為工業(yè)產品和解決方案的優(yōu)質渠道。
如果有任何關于SIEMENS防霜恒溫開關QAF81.3的疑問，請隨時與我們溝通（021-31006702）。我們將盡全力解決您的問題。
If you have any question for SIEMENS products, please feel free to dial 0086-21-3100 6702/ send request email to [email protected] / browse our website:www.www.jguvm.cn.
SIEMENS防霜恒溫開關QAF81系列QAF81.3技術參數(shù)及介紹
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