Is this normally open or closed? How do you switch it from one or the other?

Hi Richard, The swith has three terminals: NO-C-NO. so it either can be normally open or nomally closed. how you want to switch depending how you connect it. Hope the info could be useful. Thanks

How many amps is this switch rated for on ac current and is there any data on cycling life. We want to use it to control a motor load ?

to be safe this switch should only handle no more than 2 amp, that would include inrush as in motor starting. You would need to use a control relay and possibly a transformer to use this switch to control your motor.

What is the differential of the switch? If NO contacts close at 10 psi, at what pressure do they open again?

There is no differential, in your example I would say the contact would open at 9.9 psi. It’s almost instantly reactive when the pressure moves beyond the set point.

Contact Type	Spdt
Brand	LEFOO
Terminal	Spdt
Item dimensions L x W x H	1.48 x 2.48 x 1.48 inches
International Protection Rating	IP54
Connectivity Protocol	X-10
Unit Count	1.00 piece
Number of Items	1
Manufacturer	LEFOO Industrial Co.,Ltd
Part Number	LF20
Item Weight	2.08 ounces
Product Dimensions	1.48 x 2.48 x 1.48 inches
Item model number	LF20
Item Package Quantity	1
Number Of Pieces	50
Batteries Included?	No
Batteries Required?	No

LF20*10PSI

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