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LS-300TFE Series Multi-Point Level Switch is a corrosion-resistant liquid level switch available in all-PTFE wetted parts for ultra-pure fluids. LS-300TFE features a one-piece molded design for low particle generation, 1 to 4 actuation levels in a single
unit and lengths to 24 inches.
Yes, very low currents (< 5ma) can prevent “cleaning” of the contacts or not have enough energy to maintain low contact resistance. 5ma is likely a good minimum for our standard 20 VA switch. But you also want enough voltage. Approximately, 5V, 5ma is a good minimum. For low current switching we recommend a 10 VA reed switch which can better handle lower loads. (1ma for example).
What is the life expectancy of a reed switch?
A reed switch is extremely rugged and designed to operate reliably for many years, under ideal conditions, up to about 2 million cycles. To achieve maximum service life, reed switches benefit from protected electrical supply.
LS-300 Series Multi-Point Level Switch is a compact and versatile, low-cost, plastic liquid level switch with a broad choice of mountings and float materials. It is ideal for shallow tanks and reservoirs.U.L. Recognized; CSA Listed Versions...
