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MPL 500 Series switches offer pressure, vacuum, and differential sensors, sensitive to as low as 0.10 in/H 2 O. Their accuracy and reliability offer the designer an excellent general purpose low pressure to electric interface for monitoring and control applications. Miniature size and low cost make the 500 Series ideal for OEM applications.

MPL 500 is diaphragm-operated utilizing low stress deflecting contacts. Elimination of sliding or pivoting parts results in high reliability and long service life. Diaphragm material can be selected for the operating medium, temperature range, and other parameters. During the development of a specification, actuation point can be moderately adjusted by the designer. In production, a factory setting is required.

Specifications:

• Body: glass-filled polyester, grade SEO, standard
• Diaphragm: polyurethane, fluorosilicone, EPDM, Teflon, and other materials are available
• Terminals: brass, gold-plated
• Contacts: phosphor bronze with gold inlay standard. Other materials available
• Operating Temperature: -40 to +120C (-40 to +250F), depending on components. Consult factory.
• Operating Pressure: 0.10 in/H 2 O to 550 in/H 2 O (20psi)
• Burst: 25 psi
• Response: MPL 500/501/503/504/533, 160Hz; MPL 502/528/509, 270Hz
• Life: Over 100,000,000 cycles
• Form: SPST-NO, SPST-NC, 2x, SPST-NO (Form F) MPL 504
• Resistance: 500 milliohm maximum
• Weight: 10 grams