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  • M300 Slipswitch
  • Whirligig with M300 Slipswitch

M300 Slipswitch (Kit)

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Product Description

Used to Monitor 20% Underspeed on Conveying Equipment

The M300 Slipswitch is a simple inductive shaft speed monitoring device. The self-contained unit has a single set point, which signals when the shaft speed has dropped by 20% of normal running speed. It is used for detecting dangerous slow downs and underspeed on conveyors, bucket elevators, airlocks, mixers, fans, grinders and many other machines.

An inductive sensing device located in the nose of the M300 enclosure will detect a metal target. This target can be an existing bolt head or device attached to a shaft. During installation the M300 is set to the normal machine shaft RPM by calibrating with the magnet provided. The internal microprocessor sets the underspeed output to operate at exactly 20% below normal machine shaft RPM. This allows the M300 output to be used for automatic shutdown of machinery during dangerous underspeed or belt slip conditions.

Kit Consists of:

Qty. Product # Product Name Discription
1 A34NPT Conduit Adapter
M30 to 3/4" NPT
Connects 30mm sensor to 3/4" NPT conuit
fitting/sealtite making the sensor to conduit
connection "dust tight". Required for a CSA
Class II Div. 1 installation with the M300
Slipswitch Sesnors.
1 WG1-4B-4 Whirligig® 4 Pulse
Per Rev
Sensor mount, 4 pulse target & guard.
Standard model. 18/30mm sensor bracket
1 MAG2000 Mag-Con™ 
2" Dia.
Magnetic connector for whirligig. 150 pound
pull magnet in a stainless steel housing. Max.
Speed rating is 300 RPM.
1 M3005V10CA M300 Slipswitch
5-Wire C2 D1
5 Wire Version - with relay. Multi voltage
110/220 VAC, 24 VDC, 20% underspeed
output, speed range 10-3600 PPM. CSA
Approved for Class II, Div. 1 Area.

Optional 2 Wire Version: Replace M3005V10CA with M3001V10F


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