Timing relays are arranged for an intentional delay in operating their contacts. A very short (a fraction of a second) delay would use a copper disk between the armature and moving blade assembly. Current flowing in the disk maintains magnetic field for a short time, lengthening release time. For a slightly longer (up to a minute) delay, adashpotis used. A dashpot is a piston filled with fluid that is allowed to escape slowly; both air-filled and oil-filled dashpots are used. The time period can be varied by increasing or decreasing the flow rate. For longer time periods, a mechanical clockwork timer is installed. Relays may be arranged for a fixed timing period, or may be field adjustable, or remotely set from a control panel. Modern microprocessor-based timing relays provide precision timing over a great range.
ST3PA-B time relay multifunction time relay 110v
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H3Y series super time relay mini time relay 220v
AH3 Series Time Relay,mini time delay relay 220v
AH3-N 3A On-delay time super time delay relay 220v
DH48S-1Z electronic timing relay omron time delay relay general electric time relays
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H3BA-8 super time relay ST4P time relay
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JS11S digital display time relay / digital counter / electronic counter
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JS14P mini time relay timing Control Relay digital display timer relay
JS14P-M digital time relay 220v timer time relay ac
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