Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
1727964

1727964

Phoenix Contact

TERM BLK HEADER 7POS GREEN

0

0708014

0708014

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

0717364

0717364

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1703629

1703629

Phoenix Contact

TERM BLK HEADER 3POS GREEN

0

3073416

3073416

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1898884

1898884

Phoenix Contact

TERM BLK HEADER 7POS GREEN

0

1701948

1701948

Phoenix Contact

TERM BLK HEADER 3POS GREEN

0

1702439

1702439

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

3026214

3026214

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1703742

1703742

Phoenix Contact

TERM BLK HEADER 7POS GREEN

0

1702277

1702277

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

0750017

0750017

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1703234

1703234

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

0708085

0708085

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

1705653

1705653

Phoenix Contact

TERM BLK PUSH IN CLMP 1POS GRAY

0

1703276

1703276

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

1701605

1701605

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

0714037

0714037

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1702303

1702303

Phoenix Contact

TERM BLK HEADER 7POS GREEN

0

0708713

0708713

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

6

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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