Description

Micro Pressure Switches are housed in Pressure Die Cast aluminium powder coated enclosure and are recommended for fixed, adjustable & ΔP differential operation and controlling services Series: Fixed Differential : MFD, Adjustable Differential : MAD, Differential ΔP Fixed : MDS, Miniature Switch : MMS Technical Specifications: (Confirming to BS-6134) Enclosure – Aluminium Die Cast Weatherproof to IP-68 Aluminium Die Cast Flameproof to Group IIA, IIB & IIC & Weatherproof to IP-67 SS 304 Body for MMS Series Sensing Element – Diaphragm Sealed (Up to 40 bars) / Piston Type above 60 bars Wetted Parts – SS 304 / SS 316 / SS 316L Repeatability – ±0.5% of Full Span Scale Accuracy – ±3% of Full Span Micro Switch – 1 SPDT Snap Action or 2 SPDT on Request 1 SPST for MMS Series Switch Rating – 15 Amp, 250 VAC or 0.2 Amp, 220 V DC / varies based on selection of micro switch 5 Amp, 250 VAC for MMS Series Pressure Range – MFD Series : Vacuum, 20 mbar to 600 mbar & 1 bar to 600 bar MAD Series : Vacuum & 1 bar to 40 bar MDS Series : 20 mbar to 600 mbar & 1 bar to 25 bar MMS Series : 1 bar to 250 bar Set Point – Between 20 to 80% for better performance externally adjustable with locking system For MMS Series, preset at factory as per client requirement Over Range Protection – 150% of full span Mounting – Bottom / Panel / 2” Pipe Mounting Differential – Fixed (For MFD & MMS Series), Adjustable (For MAD Series), ΔP Fixed (For MDS Series) Process Connection – 1/4" NPT (Female)( Standard) 1/4” / 3/8” / 1/2” BSP / NPT / BSPT / M20 X 1.5(Male through adopters), Others on request Cable entry – PG 13.5 (Standard) / DIN Connector / 1/2" NPT (F) / 3/4” ET / Others on Request Maximum temperature – 1500 C / 3000 F High Voltage Strength – 0.5 to 0.6 KV between open contact / 2 KV between contact & body Insulation resistance – > 10 MΩ at 500 V Process Media – Air, Water, Oil, etc … Optional Available features – Diaphragm Seal unit suitable to process medium with or without Capillary Client Specific dead band 1 Feet 3 core cable for MMS Series Single / Double Compression Gland (Weather / Flame Proof) Application – Power Generation & Distribution, Textile, Boiler, Furnace, Railway, Steel plant, Fertilizer unit, Pulp & Paper Industries, Pharmaceutical plants, Food & Beverage industries, Cement Industries etc.