Siemens QBM81 Series Differential Pressure Switch

$42.39

2601

2601

  Usually ships in 2 - 4 weeks

(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.

Clear

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
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

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Differential Pressure Monitor

Siemens QBM81 Series Differential Pressure Switch