Siemens QBM81 Series Differential Pressure Switch
$42.39
2601
2601
(However please contact store for precise delivery schedule. Backorder also allowed)
Siemens QBM81 Series Differential Pressure Switches are designed for monitoring under pressure and overpressure conditions in HVAC systems. These devices are commonly used to assess air filters, airflow, and fan belts, as well as to monitor pressure in clean rooms and kitchens. ensure your HVAC systems run efficiently with the Siemens QBM81 Differential Pressure Switch. This compact and durable device detects clogged filters, airflow loss, and pressure drops before they become problems. Easy to install and built to last, it’s the smart choice for reliable air monitoring in any environment.
Application: Air Filter Monitoring, Fan Monitoring, Duct Pressure Monitoring, Clean Rooms & Laboratories.
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Siemens QBM81 Series Differential Pressure Switch measures air and non-aggressive gases which are easy to mount also feature switching cycles, highly precise setting, and long-term stability. For ventilation and air conditioning plants. This siemens pressure switch with single pole change over output has a pressure range of 20 to 5000 Pa. Siemens Pressure Switch has an IP54 protection class and a temperature range of 0 to 70 °C.
- To monitor air filters, airflow, fan belts
- To monitor the pressure in clean rooms, kitchens, etc.
- Siemens Pressure Switch is easy to mount
- >1 Mio switching cycles
- Highly precise setting
- Siemens Pressure Switch has Long-term stability.
Additional information
Weight | 1 kg |
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Manufacturer | Siemens |
Select Model and Range | QBM81-10 : 1 to 10 mbar, QBM81-10 : 100 to 1000 Pa, QBM81-20 : 5 to 20 mbar, QBM81-20 : 500 to 2000 Pa, QBM81-3 : 0, 2 to 3 mbar, QBM81-3 : 20 to 300 Pa, QBM81-5 : 0, 5 to 5 mbar, QBM81-5 : 50 to 500 Pa, QBM81-50 : 10 to 50 mbar, QBM81-50 : 1000 to 5000 Pa |
Type of switch | Single-pole change-over, multi-layer contact |
Electrical Connection | 3 screw terminals |
Mounting | Sheet-steel (galvanized) |
Operating Temperature | –30 °C to 85 °C |
Operating Humidity | Less than 90 % RH (non-condensing) |
Storage Temperature | –40 °C to 85 °C |
Standards | EN 61326-x Electrical equipment involved in measurement, control,and laboratory use; EMV requirements; general requirements |
Cable Entry | PG11 cable gland |
Housing | Fiber-glass reinforced polycarbonate |
Protection class | III according to EN 60730-1 |
Calibration | Provided alongwith and valid for 1 year, traceable to National Standards. |
Weight | 250 Grams |