H. Kuhnke Ltd, Romsey, UK
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Solenoid Company URM

Linear Solenoids > Two Directional URM

The most powerful of Kuhnke two-directional solenoids using the round body design of the RM series. Two standard sizes with strokes up to 3mm or up to 8mm. Force up to 200 Newtons at 5% duty cycle or 81 Newtons at 100% duty cycle (as an example with infinite variations in between). This is a combined thrust and pull type. The compact device comprises two coils for operation and return. Each is energised seperately. When one coil is energised the plungers move in one direction and remain there whilst the coil remains live. When the second coil is energised, and the first coil de-energised, the plungers move in the opposite direction. There is no central position.

The two standard body sizes are 20mm diameter (URM20) and 50mm diameter(URM50). All dimensions can be viewed on the datasheet.

The most common voltage is 24VDC but these can be wound for most DC voltages.

PDF Datasheets
URM two directional Linear Solenoids	113kb

 

Kuhnke URM series . A two-directional solenoid with a round body for maximum force. 2 standard sizes.

Part number explanation. The different versions of URM solenoids are coded into the part number, which is made up of 5 components, which we have shown here in the headings A to E. Explanations are shown below the table.

A	B	C	D	E
URM	20	F	24	100%ED
	50	N

A = Design, in this case URM
B = Size, 20 or 50
C = Connection, F = flying leads, N = plug in socket
D = Voltage in DC
E = Duty cycle, can be any percentage