Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
1702552

1702552

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

1716755

1716755

Phoenix Contact

TERM BLK HEADER 5POS GREEN

0

1716784

1716784

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

1702730

1702730

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

1716234

1716234

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

1702044

1702044

Phoenix Contact

TERM BLK HEADER 5POS GREEN

0

0709246

0709246

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GREEN

0

0709149

0709149

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GREEN

0

1716289

1716289

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

1702497

1702497

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

3044906

3044906

Phoenix Contact

PANEL FEED-THROUGH TERMINAL BLOC

0

1702921

1702921

Phoenix Contact

TERM BLK HEADER 5POS GREEN

0

1716085

1716085

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

0710138

0710138

Phoenix Contact

TERM BLK HEADER 13POS GREEN

0

1716700

1716700

Phoenix Contact

TERM BLK HEADER 11POS GREEN

0

1717806

1717806

Phoenix Contact

TERM BLK HEADER 2POS BLACK

0

3073403

3073403

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1898952

1898952

Phoenix Contact

TERM BLK HEADER 14POS GREEN

0

0707361

0707361

Phoenix Contact

TERM BLK HEADER 15POS GREEN

0

1701760

1701760

Phoenix Contact

TERM BLK HEADER 9POS GREEN

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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