ELECTRICAL CONTACTS PRESSURE GAUGES - hiding type - EC

ELECTRICAL CONTACTS

The electrical contacts are fitted into the case of pressure gauges or thermometers and intended to make or break an electric control circuit to the position of the pointer on the instruments.

Magnetic snap-action contact is the universal type and used in practically all service conditions. The magnetically assisted contact features a small magnet attached to the setting hand. The magnet provides for a snap-action characteristic which considerably improves contact rating and service life, and also makes this type less sensitive to vibration and with hysteresis. The value of this hysteres is from 2% to 5% depending on scale range and instrument. This type of contacts can be used with liquid filled instruments. Used in the areas of explosion risk not suitable.

Instruments: 4" or 6" Pressure gauges SUS type
Pressure range: -1/0 ~ 0/1600 kg/cm2
Lens: Acrylic
Position of contact block: the contact block is mounted behind the dial
Number of contacts: Single contact-normally open; normally closed. Double contacts-normally open and closed; normally open x 2; normally closed x 2
Max. voltage : AC 250 V & DC 220 V standard, AC 380 V available
Max. load: 30W or 50VA (dry gauge); 20W or 20VA (liquid filled gauge)

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