Model: | LFAS |
---|---|
Brand: | LEFOO |
Origin: | Made In China |
Category: | Electronics & Electricity / Electric Control System |
Label: | Pressure Switch , differential Switch , Switch for HVAC |
Price: |
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Min. Order: | 100 pc |
Last Online:08 Aug, 2011 |
Model
|
LFAS
|
Media
|
Air , products of combustion, L.P. or natural gas
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Mounting /Fixing
|
4 screws with maximum penetration depth of 6.3mm into appropriate mounting holes, or fixed with optional bracket.
|
Mounting Position
|
The LFAS is position sensitive. It may be mounted in most positions provided it has been calibrated.
|
Field Adjustable Range
|
0.4mbar to 8.0mbar make on positive or negative pressure rise. Minimum upper switching pressure 0.4mbar. Minimum lower switching pressure 0.2mbar.
|
Switch Differential
|
Not less than 0.1mb and not greater than 0.3mb depending on pressure settings.
|
Maximum Operating Pressure
|
10mbar Pmax=50mbar.
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Operating Temperature Range
|
105℃ Maximum
|
Electric Rating
|
125V,250V, 5A single pole on-off or single pole change over. Other ratings are available on request.
|
Contact Arrangement
|
SPDT or SPST
|
Terminals
|
6.3 or 4.88 mm male Q.C. Optional insulation cover available as necessary.
|
Calibration
|
LFAS switches are normally calibrated at their lower switching pressure in accordance with customer requirements.
Ramp rate at switch point=0.03mb/second
|
Calibration Tolerance
|
Standard production tolerance at ambient temperature is ± 0.10mb or ± 5% of set point, whichever is the greater.
|
Pressure Connections | 6mm O.D. push on or "Permifix" tubing. The lower (negative) connector may be supplied in any one of four positions for ease of installation. |