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  • Pressure controller

16 A, 250 V | O 17

Article: 00138306

Pressure controller

017 models are dual mechanical pressure switches for high and low pressure with unipolar SPDT switch, which closes and opens when the pressure increases or decreases.These pressure switches can be operated automatically both with high and low pressure, have a manual reset button for high and low pressure, and can be configured with automatic cycle for low pressure and manual reset for high pressure.
The tripping pressure can be adjusted by means of a screw on all versions, while the differential is adjustable on models with automatic reset.
Some models have T.U.V. barometric capsules.Models with this configuration have a ?capsule enclosed in the capsule? so that the second capsule holds the coolant and stops the plant when a leak occurs in the working capsule.
The 4000 model with dual signal enables to establish if the compressor has been disconnected due to a high or low pressure.
Standard versions have a male flared fitting. It is also possible to order versions with 1,000 mm integrated capillary with flared fitting and nut or versions with rigid tube (100 mm length, 6 mm diameter) when the thermostat is brazed to the cooling plant.All versions without capillary can be equipped with a stainless steel fitting for ammonia.

Specifications

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