Emerson Adjustable Pressure Switch PS1-A3AS

500,00 SR with (VAT)

Emerson Adjustable Pressure Switch PS1-A3AS Adjustable Pressure Switches are used in refrigeration, air-conditioning and heat pump-based systems to protect compressor or other electrical equipment from extremely low suction pressure or extremely high discharge pressure.

• Compatible with R22, R407C, R134a, R404A and R507A
• Adjustable pressure set point and differential pressure
• Automatic and Manual reset versions
• Consistent precision over full pressure range (±10%)
• Highly rated SPDT contacts for all versions
• Maximum working pressure of 17 Bar in low pressure side and 35 bar in high pressure side
• IP44 grade protection

Catalog: pdf

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Weight0,400 kg
Dimensions11 × 10 × 7 cm


Pressure type

Single-Low Pressure Switch

Pressure Range (Bar)

-0.3 to 7

Differential (Bar)

0.6 to 4

Factory Setting

Cut In: 3.0± 0.3 bar, Cut out: 2± 0.2 bar

Reset Method


Pressure Connection

1/4’’ SAE Male Flare


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