Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
3001721

3001721

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

24

0707138

0707138

Phoenix Contact

TERM BLK HEADER 5POS GREEN

45100

0707086

0707086

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

56518350

1898842

1898842

Phoenix Contact

TERM BLK HEADER 3POS GREEN

408

0717238

0717238

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

58

0708360

0708360

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

21

1703784

1703784

Phoenix Contact

TERM BLK HEADER 3POS GREEN

16

0735032

0735032

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1250690000

1250690000

Weidmuller

WGK 95/Z SW

18

17386.6

17386.6

Conta-Clip

PANEL FEED-THROUGH TERMINAL

0

0709233

0709233

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

37

1703399

1703399

Phoenix Contact

TERM BLK HEADER 4POS GREEN

4

1899304

1899304

Phoenix Contact

TERM BLK HEADER 4POS GREEN

54100

2439520000

2439520000

Weidmuller

WGKV 10 GY BX

50

1735008

1735008

Phoenix Contact

TERM BLK HEADER 5POS BLACK

37

OSTVZ035050

OSTVZ035050

On-Shore Technology, Inc.

TERM BLK HEADER 3POS GREEN

0

2440560000

2440560000

Weidmuller

WGK 16 GY BX

5050

0707060

0707060

Phoenix Contact

TERM BLK HEADER 8POS GREEN

110

1727702

1727702

Phoenix Contact

TERM BLK HEADER 3POS GREEN

1

0709013

0709013

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

Terminal Blocks - Panel Mount

1. Overview

Panel Mount Terminal Blocks are modular electrical connectors designed for permanent mounting on control panels or equipment chassis. They facilitate secure and organized termination of wires in industrial applications. These components play a critical role in ensuring reliable electrical connectivity, enabling efficient signal and power distribution across systems.

2. Main Types & Functional Classification

TypeFunctional FeaturesApplication Examples
Screw Terminal BlocksMechanical clamping via screws, high current capacityIndustrial machinery control panels
Spring Cage Terminal BlocksTool-free wire insertion, vibration resistanceAutomotive testing equipment
PCB Terminal BlocksDirect printed circuit board mountingMedical diagnostic devices
DIN Rail Terminal BlocksStandardized rail mounting, modular expansionFactory automation systems

3. Structure & Components

Typical construction includes: - Insulating housing (PA66/Glass Fiber) - Conductive elements (Copper Alloy/Brass) - Mounting flange with M4/M6 threaded holes - Wire entry system (Axial/Radial orientation) - Locking mechanisms (Screw/Spring Clamp)

4. Key Technical Specifications

ParameterImportance
Rated Current (10-300A)Determines power handling capability
Working Voltage (250-1000V)Defines electrical insulation requirements
Wire Size Range (0.14-35mm )Dictates application flexibility
Material Flame Rating (UL94 V-0)Safety compliance factor
Operating Temperature (-40 C to +120 C)Environmental endurance indicator

5. Application Fields

Primary industries include: - Industrial Automation (PLC control cabinets) - Energy Systems (Solar inverters) - Transportation (Railway signaling) - Building Technology (HVAC controllers) - Test & Measurement (Lab equipment)

6. Leading Manufacturers

ManufacturerRepresentative Product
Phoenix ContactPT 12-2,5/2-H-SC
Weidm llerSAM 2.5/2
TE ConnectivityDeutsch DT Series
OmronLY2N-S-DC5V

7. Selection Guidelines

Key considerations: 1. Electrical requirements (current/voltage ratings) 2. Mechanical constraints (panel cutout dimensions) 3. Environmental conditions (temperature/humidity) 4. Maintenance needs (terminal accessibility) 5. Compliance standards (UL, CE, RoHS)

8. Industry Trends

Current developments focus on: - Miniaturization with higher current density - Smart terminal integration with diagnostic capabilities - Enhanced vibration resistance for mobility applications - Eco-friendly materials meeting REACH regulations - 3D-printed custom housing solutions

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