Such relays are used to switch lowvoltage signals one volt or less. This module provides high voltage carrying capability as well as very low and consistent contact resistance. Mercury wetted reed relays comus international bvba. A mercurywetted reed relay is a form of reed relay that employs a mercury switch, in which the contacts are wetted with mercury. Mss2, mss4, mss6, mss7 series gmss2, gmss4, gmss6, gmss7 series mvs2, mvs4, mvs6, mvs7 series gmvs2, gmvs4, gmvs6, gmvs7 series hgzm, mhce, cup, mhmg series grma 20000 series 2420, 2920 series 72xx series 3520, 3582, 3585 series 3880, 3885 series 1200 series 1203 08 mercury wetted sensors types. Kuep11d1524 industrial panel plugin relay, control. Material safety datasheet identification of the product. Mercuryadded relays include mercury displacement relays, mercury wetted reed relays, and mercury contact relays. If accidental breakage or crushing occurs causing mercury leakage, restrict access to the area and contact your company safety officier and or your local department of environmental conservation. Mercury wetted reed relays datasheet standard dil14 1 form a 3585. Moc3021 datasheetpdf 5 page fairchild semiconductor. Hgrm55211ico magnetic reed relay mercury wetted contact. Programming the 10110115120125 module is simple to program either by single bit or by word 8 bits.
Pvy117 datasheetpdf 1 page international rectifier. Mercurywetted relays are also hermetically sealed and have no bounce on outputs and offer a. Mercury wetted contact relays fmr800 series compact for pc board mounting. The contacts of a standard mercury displacement relay or contactor. Safety data sheet according to the federal final rule of hazard communication revised in 2012 hazcom 2012 date of issue. Solid state relays vs mercury relays wolf automation. Bfbfl mercurymetal contacts voc contact life operations 000. Cp clare mercurywetted contact relay hgjm51111p00 moose. The mercurywetted relay is a power version of the dryreed switch.
The reasons behind selecting the traditional mercury relay or opting for the more widely selected solid state relay have always been a topic of debate why would i even want to use a mercury relay in the first place. Available in latching or high ir typical 10 plastic or metal housing, epoxy encapsulated. Got our start in 1975 as a small family owned business. In 1990, mdi added mercury floats to its list of manufactured products. Prolonged contact may lead to ulceration of the skin. The most common reason to want the mercury relay is that they are durable, they are capable of handling difficult, dirty environments and when you already have one its simpler. How reed relays work the item reed relay covers dry reed relays and mercurywetted contact relays, all of which use hermetically sealed reed switches. After life disposal, mercury wetted relays must be recycled or disposed of as hazardous waste and in compliance with federal, state and local regulations. If a specific version of this board is required, please contact artisan technology. The products we offer are highly reliable, long lasting, and feature hermetically sealed selfrenewing contacts.
Mdi relays are hermetically sealed with high quality glass to metal seals and the stainless steel tube is totally encapsulated in ul approved epoxy. Can be used for wide range of current switching from very low levels to 2 amps. Model 4511 32 spdt mercury wetted relays product description the 4511 provides 32 spdt mercury wetted relay channels. It includes the total amount of mercury in all products that were sold in the u. View datasheet instrumentation grade hg dip reed relay mss2 mvs2 from comus international. Mercury displacement industries or known better as mdi inc. Mercury can be irritating to contaminated skin and eyes. Relays are often used to turn on and off large current loads by supplying relatively small currents to a control circuit. These relays feature long life and high contact reliability because the mercury recoats the contacts on every operation. Pickering series 86, 87 high sensitivity reed relays.
Mercury wetted reed relays datasheet standard dil14 1 form a 3582. Mercurywetted contact relay hg1002 amateurd clare, c. Series 86, 87 coil data and type numbers device type type number series 88 type number series 89 coil v coil resistance max. The 4511 has been designed with several exceptional features that make it stand out from competitive products. A mercury relay mercury displacement relay, mercury contactor is a relay that uses mercury as the switching element they are used as highcurrent switches or contactors, where contact erosion from constant cycling would be a problem for conventional relay contacts owing to environmental considerations about the toxicity of mercury, mercury relays are mostly obsolete though modern.
A relay that uses mercury to create an electrically conducting path between contacts. Mercury wetted contacts reed relays engineering360. Dry and mercury wetted switches are available with the same pin configuration and footprint insulation resistance greater than 10e12 ohms 1tohms for dry form a devices 5, 12 and 24 volt coils are standard, with or without internal diode 100% tested for dynamic contact resistance. Nuclear power facilities which are using or whose design includes the use of mercurywetted matrix relays in the rps shall submit either their plans and. The mercury flows up the reed by capillary action and wets the contact surfaces of the moving end of the reed as well as the contact. Mercury wetted contacts consist of a glassencapsulated reed with its base immersed in a pool of mercury and the other end capable of moving between one or two stationary contacts.
Series 86, 87 switch ratings the contact ratings for each switch type are shown below. Applications mercury wetted reed relay arrow england switches pickering pickering electronics relay mercury wetted at350v relay mercury wetted clactononsea. Relays are products or devices that open or close electrical contacts to control the operation of other devices in the same or another electrical circuit. Shortterm overexposures to high concentrations of mercury. Model 4511 32 spdt mercury wetted relays gigatronics.
Upon detecting a failed relay, the failed unit shall be replaced with a qualified drycontact relay or a new mercurywetted relay. Keysight agilent 34507 mercurywetted relay multiplexer. Our most versatile general purpose be series reed relay with many contact configuration options including up to 5 form a switches. Mercury relays, mercury contactor, high voltage relay and. The free reed cantilever projects upward between sets of stationary contact, stable, and as the mercury films are elastic, contact bounce is eliminated. However, for your convenience we have listed all competitive relays of which we have knowledge, and given the jm equivalent. The lower contact is a pool of mercury that gets displaced by the plunger assembly, thereby coming in contact with the metal electrode during operation. Contact life operations x cycle rates o table 2 permissible cycle rates table 3 series bfcbbc, cfcb, cfccbc. Mercury can be irritating to contaminated skin and eye.
Mdi quietly became a leader for both relay and float switches. Midland ross 160351moo mercury wetted contact relay. Mercury wetted reed relays sealed new printed circuit board mount 0. Mercury contactor relays surplus sales of nebraska. Mercury reduces the contact resistance and mitigates the associated voltage drop. Contact rating max dcpeakac resistive 3 10 watts life expectancy signal level 1. Specializing in producing mercury relays and other mercury related products. Gmvs2, gmvs4, gmvs6, gmvs7 series hgzm, mhce, cup, mhmg series grma 20000 series 2420, 2920 series 72xx series 3520, 3582, 3585 series 3880, 3885 series 1200 series 1203 08 mercury wetted sensors types. Mercury wetted reed relays datasheet standard dil14 1.
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