Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
1708757

1708757

Phoenix Contact

PANEL FEED-THROUGH TERMINAL BLOC

0

1716674

1716674

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

1727692

1727692

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

1716580

1716580

Phoenix Contact

TERM BLK HEADER 10POS GREEN

0

1716399

1716399

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

3001265

3001265

Phoenix Contact

TERM BLOCK

0

1704000

1704000

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

1702837

1702837

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

1727799

1727799

Phoenix Contact

TERM BLK HEADER 12POS GREEN

0

1899249

1899249

Phoenix Contact

TERM BLK HEADER 13POS GREEN

0

1701993

1701993

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

1701728

1701728

Phoenix Contact

TERM BLK HEADER 5POS GREEN

0

0709055

0709055

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1701553

1701553

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

0717076

0717076

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1716522

1716522

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

3073445

3073445

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

0710280

0710280

Phoenix Contact

TERM BLK HEADER 13POS GREEN

0

1892916

1892916

Phoenix Contact

TERM BLK HEADER 2POS BLACK

0

1745005

1745005

Phoenix Contact

TERM BLK SCREW CLAMP 1POS BLACK

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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