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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-7 Series Single-Point Type 6 Level Switches are compact, durable alloy body switches with polypropylene or nylon floats and SAE mounting ideal for any small tank or vessel destined for a rugged environment. SAE Mounting7/8" - 14UNF...
LS-7 Series Single-Point Type 9 Level Switches are durable 316 stainless steel body switches with 316 SS, nylon or polypropylene floats, ideal for any small tank or vessel destined for a rugged environment. All stainless-steel material...
LS-7 Series Single-Point Type 11 Level Switches are durable 316 stainless steel body switches with 316 SS floats, ideal for any small tank or vessel destined for a rugged environment. All stainless-steel material construction complies with FDA...
