Relay Sockets

Image Part Number Description / PDF Quantity Rfq
2967811

2967811

Phoenix Contact

RELAY SOCKET DIN RAIL

2

2980225

2980225

Phoenix Contact

RELAY SOCKET DIN RAIL

16690

2901873

2901873

Phoenix Contact

RIF-0-BPT/1

0

2900445

2900445

Phoenix Contact

RELAY SOCKET DIN RAIL

2612310

2271015

2271015

Phoenix Contact

RELAY SOCKET 8 POS THROUGH HOLE

0

2900930

2900930

Phoenix Contact

RELAY SOCKET DIN RAIL

4071530

2967028

2967028

Phoenix Contact

RELAY SOCKET DIN RAIL

7

2966074

2966074

Phoenix Contact

RELAY SOCKET DIN RAIL

3

5521322

5521322

Phoenix Contact

RELAY SOCKET DIN RAIL

140

2833534

2833534

Phoenix Contact

RELAY SOCKET DIN RAIL

2

2900280

2900280

Phoenix Contact

PLC-BPT-120UC/21

118117

2967785

2967785

Phoenix Contact

RELAY SOCKET DIN RAIL

6

2900931

2900931

Phoenix Contact

RIF-1-BPT/2X21

0

2980241

2980241

Phoenix Contact

RELAY SOCKET DIN RAIL

8

2950996

2950996

Phoenix Contact

RELAY SOCKET DIN RAIL

23

2966100

2966100

Phoenix Contact

RELAY SOCKET DIN RAIL

1

2966061

2966061

Phoenix Contact

RELAY SOCKET DIN RAIL

3

2967015

2967015

Phoenix Contact

RELAY SOCKET DIN RAIL

87800

5521814

5521814

Phoenix Contact

RELAY SOCKET 14 POS DIN RAIL

335

2900446

2900446

Phoenix Contact

PLC-BPT- 24UC/21

27

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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