Relay Sockets

Image Part Number Description / PDF Quantity Rfq
2980322

2980322

Phoenix Contact

RELAY SOCKET DIN RAIL

0

2900449

2900449

Phoenix Contact

TERM BLOCK

18

2966016

2966016

Phoenix Contact

RELAY SOCKET DIN RAIL

635880

2966045

2966045

Phoenix Contact

RELAY SOCKET DIN RAIL

6

2967772

2967772

Phoenix Contact

RELAY SOCKET DIN RAIL

32200

2901872

2901872

Phoenix Contact

RELAY SOCKET DIN RAIL

15

2900936

2900936

Phoenix Contact

RELAY SOCKET 11 POS DIN RAIL

14

2967251

2967251

Phoenix Contact

RELAY SOCKET DIN RAIL

50

2900938

2900938

Phoenix Contact

RIF-3-BPT/3X21

0

2900259

2900259

Phoenix Contact

PLC-BPT-230UC/21HC

0

2900260

2900260

Phoenix Contact

PLC-BPT- 24DC/ 1IC/ACT

0

2967264

2967264

Phoenix Contact

TERM BLOCK

0

2900453

2900453

Phoenix Contact

RELAY SOCKET DIN RAIL

0

2967044

2967044

Phoenix Contact

TERM BLOCK

0

2982799

2982799

Phoenix Contact

RELAY SOCKET DIN RAIL

0

2820712

2820712

Phoenix Contact

CONN TERM BLOCK

0

5521827

5521827

Phoenix Contact

RELAY SOCKET 14 POS DIN RAIL

6

2903584

2903584

Phoenix Contact

PSR-SPP-24DC/URML4/3X1/1X2/B

0

7001439

7001439

Phoenix Contact

RELAY SOCKET 11 POS DIN RAIL

53

2900448

2900448

Phoenix Contact

PLC-BPT- 5DC/ 1/ACT

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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