SIEMENS Differential pressure switch QBM81-5 range 50 to 500 Pa

Model: SI_QBM81-5
Manufactured by: SIEMENS
Price was:1761 Kč
Sale price:1408 Kč incl. VAT
1164 Kč excl. VAT
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SIEMENS Differential pressure switch QBM81-5 range 50 to 500 Pa
The pressure difference between the two pressure take-offs causes the deflection of the diaphragm connected to the spring. This special membrane ensures the long-term stability of the switching points. Each type of device has a scale for very precise setting of the switching point. The setting options are shown in the 5 diagrams in the "Functions" section. Differential pressure switches for air and non-corrosive gases, potential-free changeover contact AC 250 V, 5 (3) A.
  • For ventilation and air conditioning equipment
  • For monitoring air filters, air flow, fan operation
  • For pressure monitoring in clean rooms, kitchens, etc.
  • Simple assembly
  • Switching cycle >1 mio
  • Very precise setting
  • Long-term stability
Differential pressure switches QBM81-... are used in ventilation and air conditioning equipment for:
  • monitoring the pressure difference, underpressure and overpressure
  • monitoring the condition of air filters and air flow
  • detection of broken fan belts
Differential pressure switches can be used in clean rooms, kitchens, etc.
SIEMENS – Differential pressure switchs QBM81 - manual /en/


This product was added to our catalog on Wednesday 13 March, 2024.
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