Milwaukee, WI: 414.332.6000 l Eagan, MN: 651.890.0720

Siemens QP Series Gas Pressure Switches

Siemens QP Series Gas Pressure Switches

  • Automatic and manual reset models
  • Adjustable pressure range from 1 to 112 inches water column (wc)
  • Surge protected up to 15 psi
  • Approvals: UL Listed, FM Approved, CE, EAC and RoHS

Description

Siemens Series QP… pressure switches are designed for gas or air pressure supervision on commercial and industrial burner applications. Automatic and manual reset versions, in a wide range of available pressures.

Application:

The QPL31 series pressure switches break the electrical circuit when the pressure drops below the adjusted value.

The QPH31 series pressure switches break the electrical circuit when the pressure increases above the adjusted value.

The QPLx5… (VERSA PRO)
The pressure switches are used for monitoring gas or air pressures. When the pressure falls below or exceeds the adjusted switching point, the respective electrical circuit will be opened or changes over.

Ask us for engineering or product support.
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SIEMENS QP… GAS OR AIR PRESSURE SWITCHES:
US/Canada (UL Listed and FM Approvals)

QPL31.050A00 – Automatic Reset Low, 1 to 20″ wc
QPH31.050A00 – Automatic Reset High, 2 to 20″ wc
QPL31.050M00 – Manual Reset Low, 1 to 20″ wc
QPH31.050M00 – Manual Reset High, 2 to 20″ wc
QPL31.075A00 – Automatic Reset Low, 5 to 30″ wc
QPH31.090A00 – Automatic Reset High, 5 to 35″ wc
QPL31.140M00 – Manual Reset Low, 7 to 55″ wc
QPH31.150M00 – Manual Reset High, 10 to 60″ wc
QPL31.280A00 – Automatic Reset Low, 28 to 112″ wc
QPH31.280A00 – Automatic Reset High, 28 to 112″ wc

Metric (CE, EAC and RoHS Approvals)

QPL25.003 – Automatic Reset, 1/4″ connection, .7 – 3 mBar
QPL15.003 – Automatic Reset, O-ring connection, .7 – 3 mBar
QPL25.010 – Automatic Reset, 1/4″ connection, 2 – 10 mBar
QPL15.010 – Automatic Reset, O-ring connection, 2 – 10 mBar
QPL25.050 – Automatic Reset, 1/4″ connection, 5 – 50 mBar
QPL15.050 – Automatic Reset, O-ring connection, 5 – 50 mBar
QPL25.150 – Automatic Reset, 1/4″ connection, 5 – 150 mBar
QPL15.150 – Automatic Reset, O-ring connection, 5 – 150 mBar
QPL25.500 – Automatic Reset, 1/4″ connection, 100 – 500 mBar
QPL15.500 – Automatci Reset, O-ring connection, 100 – 500 mBar

 

Technical Documentation

QP Series Gas Pressure Switch Technical Documentation