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. Contact rating max dcpeakac resistive 3 10 watts life expectancy signal level 1. Programming the 10110115120125 module is simple to program either by single bit or by word 8 bits. The contacts of a standard mercury displacement relay or contactor. Mercurywetted relays are also hermetically sealed and have no bounce on outputs and offer a. Mercury relays, mercury contactor, high voltage relay and. 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. Specializing in producing mercury relays and other mercury related products. Such relays are used to switch lowvoltage signals one volt or less. Mercury contactors liquid level control float switches.
Kuep11d1524 industrial panel plugin relay, control. However, for your convenience we have listed all competitive relays of which we have knowledge, and given the jm equivalent. 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. A mercurywetted reed relay is a form of reed relay that employs a mercury switch, in which the contacts are wetted with mercury. Mercury wetted reed relays sealed new printed circuit board mount 0. 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. Pickering series 86, 87 high sensitivity reed relays. This module provides high voltage carrying capability as well as very low and consistent contact resistance. Our most versatile general purpose be series reed relay with many contact configuration options including up to 5 form a switches. Midland ross 160351moo mercury wetted contact relay. 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. 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.
The free reed cantilever projects upward between sets of stationary contact, stable, and as the mercury films are elastic, contact bounce is eliminated. Mercury displacement industries or known better as mdi inc. 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. It includes the total amount of mercury in all products that were sold in the u. These relays feature long life and high contact reliability because the mercury recoats the contacts on every operation. The 4511 has been designed with several exceptional features that make it stand out from competitive products.
Mercurywetted contact relay hg1002 amateurd clare, c. Mdi relays are hermetically sealed with high quality glass to metal seals and the stainless steel tube is totally encapsulated in ul approved epoxy. Bfbfl mercurymetal contacts voc contact life operations 000. 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. Got our start in 1975 as a small family owned business. Mercury contactor relays surplus sales of nebraska. How reed relays work the item reed relay covers dry reed relays and mercurywetted contact relays, all of which use hermetically sealed reed switches. Upon detecting a failed relay, the failed unit shall be replaced with a qualified drycontact relay or a new mercurywetted relay. Mercury wetted contact relays fmr800 series compact for pc board mounting. In 1990, mdi added mercury floats to its list of manufactured products. Mdi quietly became a leader for both relay and float switches. Can be used for wide range of current switching from very low levels to 2 amps.
Mercury wetted contacts reed relays engineering360. The products we offer are highly reliable, long lasting, and feature hermetically sealed selfrenewing contacts. Mercury reduces the contact resistance and mitigates the associated voltage drop. Mercury wetted reed relays datasheet standard dil14 1 form a 3585. Mercury can be irritating to contaminated skin and eyes. Shortterm overexposures to high concentrations of mercury. Moc3021 datasheetpdf 5 page fairchild semiconductor. If a specific version of this board is required, please contact artisan technology.
In both types, the reeds thin, flat blades serve multiple functions. Pvy117 datasheetpdf 1 page international rectifier. 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. Mercury wetted reed relays comus international bvba. Material safety datasheet identification of the product. Mercury wetted reed relays datasheet standard dil14 1. Relays are often used to turn on and off large current loads by supplying relatively small currents to a control circuit. A relay that uses mercury to create an electrically conducting path between contacts.
Mercury can be irritating to contaminated skin and eye. Model 4511 32 spdt mercury wetted relays product description the 4511 provides 32 spdt mercury wetted relay channels. Prolonged contact may lead to ulceration of the skin. 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. Solid state relays vs mercury relays wolf automation. Fmr800 mercury wetted contact mercury wetted contact relay fps60 fps600 series fps300 12 fmr 140 mercury relay wetted mercury wetted relay text. Safety data sheet according to the federal final rule of hazard communication revised in 2012 hazcom 2012 date of issue. Series 86, 87 switch ratings the contact ratings for each switch type are shown below. View datasheet instrumentation grade hg dip reed relay mss2 mvs2 from comus international. Keysight agilent 34507 mercurywetted relay multiplexer. The mercurywetted relay is a power version of the dryreed switch. Hgrm55211ico magnetic reed relay mercury wetted contact. Mercuryadded relays include mercury displacement relays, mercury wetted reed relays, and mercury contact relays. 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. Model 4511 32 spdt mercury wetted relays gigatronics. Cp clare mercurywetted contact relay hgjm51111p00 moose. Series 86, 87 coil data and type numbers device type type number series 88 type number series 89 coil v coil resistance max. 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. Applications mercury wetted reed relay arrow england switches pickering pickering electronics relay mercury wetted at350v relay mercury wetted clactononsea. 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 reed relays datasheet standard dil14 1 form a 3582.