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. After life disposal, mercury wetted relays must be recycled or disposed of as hazardous waste and in compliance with federal, state and local regulations. Available in latching or high ir typical 10 plastic or metal housing, epoxy encapsulated. 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. 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. Got our start in 1975 as a small family owned business. Mercury wetted reed relays comus international bvba. Can be used for wide range of current switching from very low levels to 2 amps. Cp clare mercurywetted contact relay hgjm51111p00 moose. Mercury contactors liquid level control float switches. Series 86, 87 coil data and type numbers device type type number series 88 type number series 89 coil v coil resistance max. 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.
Programming the 10110115120125 module is simple to program either by single bit or by word 8 bits. Mercuryadded relays include mercury displacement relays, mercury wetted reed relays, and mercury contact relays. Mercury can be irritating to contaminated skin and eye. Mercury wetted reed relays datasheet standard dil14 1 form a 3582. View datasheet instrumentation grade hg dip reed relay mss2 mvs2 from comus international. Model 4511 32 spdt mercury wetted relays product description the 4511 provides 32 spdt mercury wetted relay channels. Mercury can be irritating to contaminated skin and eyes. Mercury wetted contacts reed relays engineering360. Safety data sheet according to the federal final rule of hazard communication revised in 2012 hazcom 2012 date of issue. It includes the total amount of mercury in all products that were sold in the u. Pickering series 86, 87 high sensitivity reed relays. However, for your convenience we have listed all competitive relays of which we have knowledge, and given the jm equivalent. Mercury displacement industries or known better as mdi inc. This module provides high voltage carrying capability as well as very low and consistent contact resistance.
A relay that uses mercury to create an electrically conducting path between contacts. 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. Mercurywetted contact relay hg1002 amateurd clare, c. If a specific version of this board is required, please contact artisan technology. 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. Such relays are used to switch lowvoltage signals one volt or less. Mercury wetted contact relays fmr800 series compact for pc board mounting.
Series 86, 87 switch ratings the contact ratings for each switch type are shown below. Prolonged contact may lead to ulceration of the skin. Keysight agilent 34507 mercurywetted relay multiplexer. Upon detecting a failed relay, the failed unit shall be replaced with a qualified drycontact relay or a new mercurywetted relay. Model 4511 32 spdt mercury wetted relays gigatronics. Pvy117 datasheetpdf 1 page international rectifier.
Hgrm55211ico magnetic reed relay mercury wetted contact. Relays are often used to turn on and off large current loads by supplying relatively small currents to a control circuit. Fmr800 mercury wetted contact mercury wetted contact relay fps60 fps600 series fps300 12 fmr 140 mercury relay wetted mercury wetted relay text. These relays feature long life and high contact reliability because the mercury recoats the contacts on every operation. Moc3021 datasheetpdf 5 page fairchild semiconductor. 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. Mercury wetted reed relays datasheet standard dil14 1 form a 3585. Mercury wetted reed relays datasheet standard dil14 1. The free reed cantilever projects upward between sets of stationary contact, stable, and as the mercury films are elastic, contact bounce is eliminated. In 1990, mdi added mercury floats to its list of manufactured products. 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. Material safety datasheet identification of the product. Contact rating max dcpeakac resistive 3 10 watts life expectancy signal level 1.
Specializing in producing mercury relays and other mercury related products. Contact life operations x cycle rates o table 2 permissible cycle rates table 3 series bfcbbc, cfcb, cfccbc. Shortterm overexposures to high concentrations of mercury. Mercurywetted relays are also hermetically sealed and have no bounce on outputs and offer a. Mercury reduces the contact resistance and mitigates the associated voltage drop. 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. The products we offer are highly reliable, long lasting, and feature hermetically sealed selfrenewing contacts. A mercurywetted reed relay is a form of reed relay that employs a mercury switch, in which the contacts are wetted with mercury. Kuep11d1524 industrial panel plugin relay, control.
Mdi quietly became a leader for both relay and float switches. Solid state relays vs mercury relays wolf automation. The contacts of a standard mercury displacement relay or contactor. In both types, the reeds thin, flat blades serve multiple functions. 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. The mercurywetted relay is a power version of the dryreed switch. Mdi relays are hermetically sealed with high quality glass to metal seals and the stainless steel tube is totally encapsulated in ul approved epoxy. 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. 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.
The 4511 has been designed with several exceptional features that make it stand out from competitive products. Midland ross 160351moo mercury wetted contact relay. How reed relays work the item reed relay covers dry reed relays and mercurywetted contact relays, all of which use hermetically sealed reed switches. Mercury wetted reed relays sealed new printed circuit board mount 0.
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