anyone working with limit switch exposed to sea?
anyone working with limit switch exposed to sea?
(OP)
Hi,
Anyone have experience which brand/type for limit switch that is durable working in harsh condition (i.e corrosion) especially near sea. Thank you
Anyone have experience which brand/type for limit switch that is durable working in harsh condition (i.e corrosion) especially near sea. Thank you





RE: anyone working with limit switch exposed to sea?
Some sort of proximity switch, reed switch, GO switch
Perhaps non metallic housing with a potted cable.
Low Voltage 24V rather than 110 AC
Perhaps share more details like what for?
To a control system or operate load directly?
RE: anyone working with limit switch exposed to sea?
RE: anyone working with limit switch exposed to sea?
We gave up on mechanically actuated switches early on, (they were too easily damaged) for a magnetic proximity switch by Go, these had moving contacts inside actuated by distorting the magmetic field, I don't even know if these are still manufactured.
These days I would use an inductive proximity switch.
You have to be a bit careful selecting proximity switches for a PLC input, most draw too much quiecent current and turn the input on permanently
A typical use is conveyor underspeed, simple targets on the tail-pulley actuate a switch, the PLC has a pair of timers for NO & NC, if one times out the conveyor is not moving, failsafe.
Unlike mechanical switches a proximity should never wear out.
RE: anyone working with limit switch exposed to sea?
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(Me,,,wrong? ...aw, just fine-tuning my sarcasm!)
RE: anyone working with limit switch exposed to sea?
RE: anyone working with limit switch exposed to sea?