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PMAT

Product catalog summary

Overview: The document provides technical specifications and operational details for pressure switches used in water autoclave systems. These switches are designed to automatically control the starting and stopping of electric pumps based on set pressure values.

Specifications:

Electric contacts are normally closed and made from brass alloy with Ag-Ni surfacing.
Terminals feature M4 screws and 8x8 mm pressure dice.
The membrane is made of NBR rubber with a textile insert, suitable for food-grade applications in specific models (PMAT 5M-10, PMAT 5M/T-16, PMAT 5.5M/T-16).
Hydraulic connection is ¼"F and made of galvanized steel.
Standard protection degree is IP 44.
Suitable for liquid temperatures up to 55°C and ambient temperatures up to 55°C.
Equipped with tear-resistant cable clamps.

Electrical Ratings:

Maximum rated voltage: 250V for 10A and 500V for 16A.
Connection diagrams are provided for different models, indicating single-phase and three-phase configurations.

Pressure Settings:

PMAT 5M-10: Minimum pressure setting of 0.6 bar and maximum of 2.3 bar.
PMAT 5M/T-16: Minimum pressure setting of 0.8 bar and maximum of 2.2 bar.
PMAT 5.5M/T-16: Minimum pressure setting of 1.5 bar and maximum of 5 bar.
PMAT 12M/T-16: Minimum pressure setting of 3 bar and maximum of 12 bar.

Additional Features:

Adjustment key is included for pressure setting adjustments.
Factory settings and differential pressure ranges are specified for each model.

Catalog excerpts

PMAT calpeda PRESSURE SWITCHES FOR WATER SYSTEM APPLICATIONS Construction - Pressure switches for use with water in autoclave systems - The switch ensures automatically the starting and stopping of the electric pump according to the set pressure values - Electric contacts: normally closed and made of brass alloy with Ag-Ni surfacing - Terminals with M4 screws and 8x8 mm pressure dice - NBR rubber membrane with textile insert (food grade for PMAT 5M-10, PMAT 5M/T-16, PMAT 5.5M/T-16) - WF hydraulic connection made of galvanized steel - Standard protection degree IP 44 - Liquid temperature up to 55 °C - Max ambient temperature: 55°C - Tear resistant cable clamps 2-pins Pressure Differential PMAT 5M-10 max range Factory setting bar Maximum rated voltage 250V Pressure Differential max range Factory setting bar Maximum rated voltage 500V Connection diagram / Diagram seeting

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