Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
1703072

1703072

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

0711043

0711043

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1702905

1702905

Phoenix Contact

TERM BLK HEADER 3POS GREEN

0

1702840

1702840

Phoenix Contact

TERM BLK HEADER 5POS GREEN

0

0708247

0708247

Phoenix Contact

TERM BLK HEADER 16POS GREEN

0

1727650

1727650

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

0707963

0707963

Phoenix Contact

TERM BLK HEADER 11POS GREEN

0

0717694

0717694

Phoenix Contact

TERM BLK SCREW CLAMP 1POS BLACK

0

1716166

1716166

Phoenix Contact

TERM BLK HEADER 12POS GREEN

0

1899184

1899184

Phoenix Contact

TERM BLK HEADER 7POS GREEN

0

1703218

1703218

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

1702112

1702112

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

1701579

1701579

Phoenix Contact

TERM BLK HEADER 6POS GREEN

0

1096143

1096143

Phoenix Contact

FEED-THROUGH CONNECTOR, NOMINAL

0

1701456

1701456

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

0710840

0710840

Phoenix Contact

TERM BLOCK 1POS

0

0705017

0705017

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

8

1703496

1703496

Phoenix Contact

TERM BLK HEADER 6POS GREEN

0

1727760

1727760

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

1727922

1727922

Phoenix Contact

TERM BLK HEADER 3POS 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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