Relay Sockets

Image Part Number Description / PDF Quantity Rfq
1047031

1047031

Phoenix Contact

RELAY SOCKET DIN RAIL

10

2980458

2980458

Phoenix Contact

RELAY SOCKET DIN RAIL

10150

2900960

2900960

Phoenix Contact

RELAY SOCKET 11 POS DIN RAIL

48

5521898

5521898

Phoenix Contact

CONN TERM BLOCK

216

2900932

2900932

Phoenix Contact

RELAY SOCKET DIN RAIL

23950

2900283

2900283

Phoenix Contact

TERM BLOCK

13330

5521856

5521856

Phoenix Contact

RELAY SOCKET DIN RAIL

7

2900961

2900961

Phoenix Contact

RIF-4-BPT/3X21

56

5521843

5521843

Phoenix Contact

RELAY SOCKET DIN RAIL

5

2900935

2900935

Phoenix Contact

RELAY SOCKET 8 POSITION DIN RAIL

21

2980319

2980319

Phoenix Contact

RELAY SOCKET DIN RAIL

18150

2966032

2966032

Phoenix Contact

RELAY SOCKET DIN RAIL

580

2820262

2820262

Phoenix Contact

RELAY SOCKET 2 POSITION DIN RAIL

8

2982689

2982689

Phoenix Contact

RELAY SOCKET DIN RAIL

0

2900934

2900934

Phoenix Contact

RIF-2-BPT/4X21

5410

2777043

2777043

Phoenix Contact

TERM BLOCK 3POS DIN RAIL MOUNT

1010

2900957

2900957

Phoenix Contact

RELAY SOCKET DIN RAIL

3910

2966090

2966090

Phoenix Contact

RELAY SOCKET DIN RAIL

40

7001438

7001438

Phoenix Contact

RELAY SOCKET 8 POSITION DIN RAIL

0

2271390

2271390

Phoenix Contact

RELAY SOCKET 8 POS THROUGH HOLE

3

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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