Relay Sockets

Image Part Number Description / PDF Quantity Rfq
R95-149

R95-149

NTE Electronics, Inc.

RELAY 8-PIN BLADE SOCKET

16

NC2-PS

NC2-PS

Panasonic

RELAY SOCKET 8 POS THROUGH HOLE

24

SR2ZC3

SR2ZC3

Macromatic Industrial Controls

GENERAL PURPOSE RELAY

100

PTF08A-E

PTF08A-E

Omron Automation & Safety Services

RELAY SOCKET 8 POSITION DIN RAIL

4849

P7S-14F-END DC24

P7S-14F-END DC24

Omron Automation & Safety Services

RELAY SOCKET 14 POS DIN RAIL

168

P2RF-08

P2RF-08

Omron Automation & Safety Services

RELAY SOCKET 8 POSITION DIN RAIL

165

2967251

2967251

Phoenix Contact

RELAY SOCKET DIN RAIL

50

90.20

90.20

Finder Relays, Inc.

SOCKET FOR 60.12 RELAYS

72

RLY9134

RLY9134

NTE Electronics, Inc.

SOCKET-22 PIN PANEL MNTT

52

8869400000

8869400000

Weidmuller

RELAY SOCKET 8 POSITION DIN RAIL

153

PT14-0

PT14-0

Omron Automation & Safety Services

RELAY SOCKET 14 POS THROUGH HOLE

34

2900938

2900938

Phoenix Contact

RIF-3-BPT/3X21

0

2-1904045-4

2-1904045-4

TE Connectivity Potter & Brumfield Relays

RELAY SOCKET 5 POS THROUGH HOLE

26

RLY9159

RLY9159

NTE Electronics, Inc.

SOCKET 4PDT 14-PIN

27

90.21

90.21

Finder Relays, Inc.

SOCKET FOR 60.13 RELAYS

80

KLY4

KLY4

IndustrialeMart

RELAY SOCKET FOR HR710-4P BLACK

9

RSL116128

RSL116128

Socapex (Amphenol Pcd)

MCDONNEL DOUGLAS

0

JRS500211

JRS500211

Socapex (Amphenol Pcd)

QUICK MOUNT 1 POLE WC

0

RSL116103-S

RSL116103-S

Socapex (Amphenol Pcd)

STAINLESS STEEL ALTERNATIVE

0

2900259

2900259

Phoenix Contact

PLC-BPT-230UC/21HC

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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