Relay Sockets

Image Part Number Description / PDF Quantity Rfq
2946719

2946719

Phoenix Contact

RELAY SOCKET DIN RAIL

0

2271028

2271028

Phoenix Contact

PLUG-IN BASE STD I/O MOD

0

2950417

2950417

Phoenix Contact

RELAY GEN PURPOSE

0

2912471

2912471

Phoenix Contact

TERM BLOCK

0

2967183

2967183

Phoenix Contact

TERM BLOCK

0

2271484

2271484

Phoenix Contact

RETAINER FOR MINI RELAY

170

2820990

2820990

Phoenix Contact

CONN TERM BLOCK

0

2967332

2967332

Phoenix Contact

TERM BLOCK

0

2271044

2271044

Phoenix Contact

RELAY SOCKET 8 POS THROUGH HOLE

0

2950501

2950501

Phoenix Contact

RELAY GEN PURPOSE

0

2912332

2912332

Phoenix Contact

RELAY SOCKET DIN RAIL

0

2950734

2950734

Phoenix Contact

RELAY SOCKET DIN RAIL

0

2980380

2980380

Phoenix Contact

6.2MM PLC SENSOR TERM BLOCK 230V

0

5521830

5521830

Phoenix Contact

RELAY SOCKET 14 POS DIN RAIL

0

5601974

5601974

Phoenix Contact

RELAY SOCKET 8 POSITION DIN RAIL

0

2271031

2271031

Phoenix Contact

RELAY SOCKET 8 POS THROUGH HOLE

0

2982692

2982692

Phoenix Contact

TERM BLOCK

0

2946706

2946706

Phoenix Contact

RELAY GEN PURPOSE

0

2912426

2912426

Phoenix Contact

PLC-BSP- 12DC/21-21

0

2946777

2946777

Phoenix Contact

RELAY SOCKET DIN RAIL

0

Relay Sockets

1. Overview

Relay sockets are modular electrical components designed to interface with relays, enabling secure mechanical mounting and reliable electrical connectivity. They act as intermediaries between relays and control circuits, facilitating easy installation, replacement, and maintenance. In modern automation systems, relay sockets play a critical role in ensuring signal integrity, load management, and system scalability across industrial, automotive, and consumer electronics applications.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
PCB Mount SocketsCompact design for printed circuit board integrationIndustrial control panels, IoT devices
Panel Mount SocketsFront-accessible installation for field maintenanceMachinery control cabinets, test equipment
Socket with Terminal BlocksDIN-rail compatible, screw/clamp terminationsBuilding automation systems, power distribution
High-Frequency SocketsShielded design for signal integrity above 1GHzTelecom infrastructure, RF testing equipment

3. Structure and Components

Typical relay socket construction includes: - Insulating housing (UL94 V-0 rated thermoplastic) - Beryllium copper contact springs with gold plating - Wire termination options (screw, spring cage, or solder) - Mechanical keying features to prevent misinsertion - Optional integrated LED indicators or suppression circuits The design ensures vibration resistance and maintains contact pressure over 500+ mating cycles.

4. Key Technical Specifications

ParameterValue RangeImportance
Voltage Rating12V-600V AC/DCDetermines circuit compatibility and safety margins
Current Capacity0.1A-30ADefines maximum load handling capability
Contact Resistance5-50m Impacts power efficiency and thermal performance
Dielectric Strength1kV-5kVEnsures electrical isolation safety
Mechanical Life10,000-100,000 cyclesDictates maintenance intervals and reliability

5. Application Fields

Primary industries include: - Industrial automation (PLC systems, motor controls) - Automotive testing (ECU validation rigs) - Building management (HVAC control networks) - Renewable energy (solar inverter interfaces) - Test & measurement equipment (ATE systems)

6. Leading Manufacturers and Products

ManufacturerKey Product SeriesFeatures
OmronMY-Sockets3-level contact protection, 80A rating
Siemens3RT10 socketsModular design with integrated diagnostics
Phoenix ContactUK relay socketsPush-in wiring, 600V insulation
TE ConnectivityRelay Carrier SocketsHigh-frequency optimization to 3GHz

7. Selection Guidelines

Key considerations: - Match socket configuration to relay pinout (e.g., 8-pin, 11-pin) - Verify current/voltage ratings exceed system requirements - Environmental factors: operating temperature (-40 C to +125 C), vibration resistance - Compliance with industry standards (UL, CSA, IEC 61810) - Termination method compatibility with wiring infrastructure

8. Industry Trends

Emerging developments include: - Miniaturization for space-constrained applications - Integrated smart diagnostics with IoT connectivity - Halogen-free materials compliance with RoHS 3.0 - Increased reliability for automotive EV charging systems - Hybrid sockets supporting both PCB and panel mounting

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