Each input is protected with mov surge protection and the device is provided with a. It consists of a set of input terminals for a single or. Mercury can be irritating to contaminated skin and eye. Rather than serving to prevent malfunctions, the forcibly guided contact structure enables another. Mercury relay disposal info 3 american ultraviolet. Recent listings manufacturer directory get instant insight into. Dry contact may mean any of the following in electronics. A mercury relay is a relay that uses mercury as the switching element. The mercury is provided by a small reservoir which blade actuation tends to pump up a grooved surface on the reed blade. They are used as highcurrent switches or contactors, where contact erosion from.
Brentek dry relay output modules have zero offstate leakage current so they are able to directly control solid state devices and other loads. The latching isolation relay modules are designed utilizing mercurywetted relays to provide the required equipment isolation. The 4511 provides 32 spdt mercury wetted relay channels. Metering isolation relays advanced surge protection for metering installations. Series 86, 87 switch ratings the contact ratings for each switch type are shown below. Since this modules relay must receive a mute signal from a higher priority module to change.
This module provides high voltage carrying capability as well as very low and consistent contact resistance. It consists of a set of input terminals for a single or multiple control signals, and a set of operating contact terminals. Do not use relays in the atmosphere with sulfide gas, chloride gas or nitric oxide. Low and stable contact resistance during life, no bounce. A dry contact is the synonym of volt free it is not wetted by a voltage source. Cp clare mercurywetted contact relay hgjm51111p00 moose. True dry contact switching of acdc large and small signals. Relay priority level the relay setting determines what priority level and above will cause the relay to energize. I acquired this a number of years ago when i had the chance to salvage electronics from the basement of my friend brians deceased. Dry contact can refer to a secondary set of contacts of a relay circuit which. Models available with or without a lockingtype photo control receptacle mounted to the top of the relay enclosure. Model 4511 32 spdt mercury wetted relays gigatronics.
Available in 610 gauge, 1416 gauge, 1420 gauge, or 18 gauge options to suit your specific. Drycontact 250v a maximum connections 3, 5 to a dedicated voltage. Pickering series 86, 87 high sensitivity reed relays. The mercury films are stretchable, there is no contact bounce and because it is a mercury contact, the contact resistance is very low and idea for low level switching. Mercurywetted contact relays in these relays, the electrical. Institute of physics publishing reports on progress in physics rep. Rugged plugin relays for extreme reliable, long endurance. While there are several variations of the mercury wetted contact relay on the market, the basic contact element has essential concepts in common. Monitoring relays trend series tih4x industrial design width 45mm acdc current monitoring in 1phase mains fault latch position of output relay presettable 1 change over contact 2. Mercury reed relays there is a class of reed relays that has been historically very popular where the reed contacts include mercury that provides the electrical contact between the blades.
Computer components has long been recognized as a major supplier of mercury wetted relays to the industrial, commercial and defense markets. What links here related changes upload file special pages permanent link page information wikidata. As the voltage on an unoperated relay is increased, the value at or. Available in voltage ratings ranging from 120 v to 240 v with hermetically sealed contacts in inert gas atmosphere. For high speed use, the mercurywetted relay is used instead. Mdi relays are hermetically sealed with high quality glass to metal seals and the stainless steel tube is.
This module provides high voltage carrying capability as well as very. A mercurywetted reed contact relay comprising at least two reed means having coacting ends contained in a glass capsule. Abb library is a web tool for searching for documents related to abb products and services. For example, some contact materials require an arc to keep them free of sulfidation.
Rio1s manual relay inputoutput transformerbalanced. A mercury relay mercury displacement relay, mercury contactor is a relay that uses mercury as the switching element. Comus international was founded in june 1978 by our chairman and ceo, robert p. Table 1 illustrates that the amount of mercury used in individual switches and relays varies widely. Hella relay terminals are designed to easily mate with hella relay connector blocks or directly to hella relays. Mercurywetted relays are fast in operation and have relatively good load carrying capacity and long life.
Relay contacts are available in a variety of metals and alloys, sizes and styles. Cutlerhammer molded case circuit breakers 27 15100 amperes series ct gframe type ghbgfep bolton panelboard 30ma industrial ground fault circuit protectors 1560 amperes, 277 volt, 5060 hz. Mercury contactor relays surplus sales of nebraska. Do not use silicon or siliconcontaining product or materials near relays. The relay is now trying to hold its present state contacts open or closed. To determine the effect of these regulations on your location, contact your states environmentalhazardous material organization. What links here related changes upload file special pages permanent link page information. Comus international started out as a manufacturer of glass mercury tiltswitches for residential and. Pickering series 86, 87 high sensitivity reed relays dry and mercury wetted features z encapsulated in a plastic package with internal mumetal magnetic screen z wide range of switch configurations z dry. Some types of reed relay use mercury wetted contacts, consequently reed relays that use plated contacts are often referred to as dry reed relays. Open frame, encapsulated and axial lead packages are. How reed relays work the item reed relay covers dry reed relays and mercurywetted contact relays, all of which use hermetically sealed reed switches. A mercurywetted contact capsule used in relays or switch assemblies whose contacts are hermetically sealed in a chosen environment and includes a flat, spiral spring armature.
Our relays are applied mainly in industrial and power automation systems, in signaling and protection. Auxiliary relay small size high degree of reliability, even when it has been idle for a long time the magnetic system comprises the fixed core andmechanical operation indicator high contact rating 2 or. Dry contact and mechanical relay output modules typefunction grayhill part number miniature, normally open 70modc5r 70modc24r standard, normally open 70odc5r 70odc24r. Relays were used extensively in telephone exchanges and early computers to perform logical. Dry contact and mechanical relay output modules typefunction grayhill part number miniature, normally open 70modc5r 70modc24r standard, normally open 70odc5r 70oac5rly 70odc24r. The series 200 is a complete range of surface mount reed relays. The average half time for clearance of mercuryfor different parts of the human body is as follows. Mercury displacement relay mercury wetted relay mercury contact relay photo source. They are used as highcurrent switches or contactors, where contact erosion. High sensitivity reed relays pickering electronics. The solaredge smart energy relay referred to as the device is a zigbee wireless load management. Our mercury wetted relays are double sealed, consisting. Prolonged contact may lead to ulceration of the skin.
Model 4511 32 spdt mercury wetted relays product description the 4511 provides 32 spdt mercury wetted relay channels. Mercury relays and tilt switches safety data sheet according to the federal final rule of hazard communication revised on 2012 hazcom 2012. The relay will hold its contact position till the next voltage pulse. Mercurywetted relays make and break circuits using a thin, selfrenewing film of liquid mercury. Mercury contactor relay 3 pole, normally open 60 80 amp 120v ac coil ko. Cutlerhammer molded case circuit breakers 25 15100. Transdata isolation relays provide surge protection for energy metering installations by electrically isolating the. Both dry and mercury wetted switches are available in a wide range of configurations including coaxial types for rf up to 5ghz, or high speed. The mercury films are reestablished at each contact closure and contact erosion is eliminated. Msds mercury relays, mercury contactor, high voltage. Miniature reed relays with mercury wetted contacts. Dry and mercury wetted switches are available with the same pin.
Mercury relays, mercury contactor, high voltage relay and. Mercurywetted contact relay hg1002 amateurd clare, c. Would anyone like a type hg2a1034 mercury wetted contact relay. Company contact information upcoming events news let us know what you think. The only major weakness of a mercury wetted contact relay is the necessity to mount the relay within 30 of a vertical position, due to its position sensitivity. Mercury wetted contacts reed relays engineering360. The voltage pulse will activate the relay to pullin or release the contacts. The pickering series 100 is a complete range of singlein line sil reed relays primarily intended for direct drive from 4000b cmos or nmos logic or similar low current sources.
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