Composed of powerful, extremely sensitive probes and innovative electronics, the Siemens MFA-4P assures reliable alarm indication for monitoring loss of motion in any conveying and rotating machinery. Not only are the rugged probes impervious to dust, dirt build-up, and moisture, but their non-contacting design eliminates the need for lubricating, cleaning, and replacing of parts.
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A complete catalog number will look like this: 7MH7144-1AA2 Description Catalog Number MFA-4p Motion Failure Alarm Electronics Unit 7MH7144- Enclosure NEMA 4X Polycarbonate
NEMA 4X Painted Mild Steel
NEMA 4X Stainless Steel
Speed Detection Version, Switch-Selectable Speed Standard/Underspeed/Overspeed
Approvals CE, CSAus/c, FM _ _ _2 MFA-4p Spare Parts and Accessories Spare MFA 4p Relay
Spare MFA 4p Transformer
Spare MFA 4p Circuit Card, Standard
Spare MFA 4p Circuit Card, Slow Speed
Instruction Manual (Note 3)
MSP-3, 1/2" Conduit Entry (Note 1)
MSP-9, 1/2" Conduit Entry (Note 1)
MSP-12, 1/2" Conduit Entry
XPP-5, 1.5 m Cable (Note 2)
Aluminum, 1/2" NPT Entry
Painted Steel, NEMA 4
Stainless Steel, NEMA 4X
Probe and Remote Mount Amplifier Spare Parts and Accessories Spare Remote Mount Amplifier Card
MSP-3, MSP-9 Lid Gasket
MSP-3, MSP-12, XPP-5 Locknut
MSP-3, MSP-12, XPP-5 Mounting Flange
MSP-3, MSP-12 Lid with 1/2" NPT Conduit Entry
MSP-9 Mounting Bracket
MSP-12 Lid Gasket
- Requires remote amplifier.
- XPP-5 has CSA approval, Class I, Groups A-D, Class II, Groups E-G.
- One instruction manual covers the MFA-4p electronics unit, all the probes, and the RMA remote amplifier unit.
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