Relay Sockets

Image Part Number Description / PDF Quantity Rfq
2967785

2967785

Phoenix Contact

RELAY SOCKET DIN RAIL

6

VCF4-1002

VCF4-1002

TE Connectivity Potter & Brumfield Relays

RELAY HSG 5POS WIRING HARNESS

1602

RM78702

RM78702

TE Connectivity Potter & Brumfield Relays

RELAY SOCKET 11 POS THROUGH HOLE

78

25622080

25622080

Crouzet

RELAY SOCKET 11 POS DIN RAIL

15

R95-133

R95-133

NTE Electronics, Inc.

SOCKET-SPDT 5-PIN SLIM

53

GPRA-SB08U1

GPRA-SB08U1

c3controls

MINI,8 BLADE UNGUARDED,15A

196

NC2-WS

NC2-WS

Panasonic

RELAY SOCKET 8 POS CHASSIS MOUNT

20

DRSCN30

DRSCN30

Sensata Technologies – Crydom

RELAY SOCKET 4 POSITION DIN RAIL

0

2900931

2900931

Phoenix Contact

RIF-1-BPT/2X21

0

P2R-057P

P2R-057P

Omron Automation & Safety Services

RELAY SOCKET 5 POS THROUGH HOLE

1

ST-PS

ST-PS

Panasonic

RELAY SOCKET 8 POS THROUGH HOLE

88

1-1904045-1

1-1904045-1

TE Connectivity Potter & Brumfield Relays

RELAY HSG 5 POS WIRING HARNESS

0

P2RF-05-S

P2RF-05-S

Omron Automation & Safety Services

RELAY SOCKET 5 POSITION DIN RAIL

33

R95-112

R95-112

NTE Electronics, Inc.

RELAY-JONES SOCKET

86

DRS4

DRS4

Sensata Technologies – Crydom

RELAY SOCKET 16 POS DIN RAIL

8

2980241

2980241

Phoenix Contact

RELAY SOCKET DIN RAIL

8

MT78740

MT78740

TE Connectivity Potter & Brumfield Relays

RELAY SOCKET 11 POS DIN RAIL

264

GPRA-SB14U2

GPRA-SB14U2

c3controls

14 BLADE UNGUARDED, 15 A

200

SFS6-PS

SFS6-PS

Panasonic

RELAY SOCKET 14 POS THROUGH HOLE

76

2950996

2950996

Phoenix Contact

RELAY SOCKET DIN RAIL

23

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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