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Relay Sockets

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About Relay Sockets

Relay sockets are devices that accept relays, electromechanical switches in which the variation of current in one electric circuit controls the flow of electricity in another circuit. Relay sockets are made of metal or composite materials and available in a variety of shapes, sizes, and colors. Performance specifications include number of poles, maximum voltage, and maximum current. Single-pole (SP) sockets are used with relays that control one line with each throw. Double-pole (DP) devices are used with relays that control two lines. Typically, the first line is hot and the second line is neutral. Triple-pole (TP) sockets accept three pairs of contacts. Four-pole devices (4P) receive four pairs of contacts. Additional considerations when selecting relay sockets include electrical rating, dielectric strength, insulation resistance, and temperature range. Some products are flame retardant, shatterproof, or designed for demanding applications. Others include electrical or mechanical on/off indicators.  

Relay sockets differ in terms of terminal type, the number of pins per blade, and socket receptacle style. Terminals are devices that terminate a conductor. They attach to posts, studs or other conductors in order to establish an electrical connection. Typically, these connections are made using screws or by soldering wires or pins. Crimp terminals use the physical compression (deformation) of a contact wire barrel around a conductor to make an electrical and mechanical connection to the conductor. Quick connect / disconnect terminals do not require the use of tools. Most relay sockets use 5, 7, 8, 10, 11, 14, or 16 pins per blade. There are many different socket receptacle styles. Examples include octal or circular sockets, blade or lug sockets, and square or cube sockets. Miniature pin/blade sockets are often called “midgets”. PCB sockets are commonly available.

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Engineering Web: Relay Sockets

Pages: 1 - 3 of 112

Schrack General Purpose and Power Relays - Tyco Electronics
Relay Know-How Sales Offices Check Distributor Inventory Safety Relays 2-, 4- and 6-pole Safety Relay Program for PCB and DIN-rail
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Hongfa Relays - China
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See Xiamen Hongfa Electroacoustic Co., Ltd. Information
RARIC User's guide Shaft current protection 1MRK 502 001-UEN...
are made with leads with 20 A COMBIFLEX sockets to the RTXP 18 test switch and with 10 A sockets to the relay terminal bases.
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Part Numbers for Relay Sockets

Part # Distributor Manufacturer Product Category Description
TP311SB 4 Star Electronics, Inc. FUJI Not Provided Not Provided
G4-MOD-SOCKETS Newark OPTO 22 Sockets Relay Socket; No. Of Pins:1; Peak Reflow Compatible (260 C):No; No. Of Contacts:1 Rohs Compliant: Yes
PY14-02 Digi-Key Omron Electronics Inc-ECB Div Not Provided RELAY SOCKET 4PDT PCB MNT MY
PL08 Digi-Key Omron Electronics Inc-ECB Div Not Provided RELAY SOCKET DPDT PANEL MT MK
PT14-0 Digi-Key Omron Electronics Inc-ECB Div Not Provided RELAY SOCKET PC MNT FOR LY SER

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