Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
1898965

1898965

Phoenix Contact

TERM BLK HEADER 15POS GREEN

0

1702057

1702057

Phoenix Contact

TERM BLK HEADER 6POS GREEN

0

1703519

1703519

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

1703069

1703069

Phoenix Contact

TERM BLK HEADER 3POS GREEN

0

1701689

1701689

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

0710264

0710264

Phoenix Contact

TERM BLK HEADER 11POS GREEN

0

3073487

3073487

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1716577

1716577

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

1703849

1703849

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

1727689

1727689

Phoenix Contact

TERM BLK HEADER 12POS GREEN

0

1703962

1703962

Phoenix Contact

TERM BLK HEADER 5POS GREEN

0

0714095

0714095

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

0708137

0708137

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

1712417

1712417

Phoenix Contact

TERM BLK SCREW CLAMP 1POS RED

300

1703713

1703713

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

1716454

1716454

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

0717212

0717212

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

3073555

3073555

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

0714118

0714118

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1702950

1702950

Phoenix Contact

TERM BLK HEADER 8POS 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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