Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
3073335

3073335

Phoenix Contact

TERM BLK SCREW CLAMP 2POS GRAY

7

3056938

3056938

Phoenix Contact

TERM BLK PUSH IN CLMP 1POS GRAY

119

3056909

3056909

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

52

3073351

3073351

Phoenix Contact

TERM BLK SCREW CLAMP 2POS GRAY

75

1899317

1899317

Phoenix Contact

TERM BLK HEADER 5POS GREEN

239

1899197

1899197

Phoenix Contact

TERM BLK HEADER 8POS GREEN

59

1727582

1727582

Phoenix Contact

TERM BLK HEADER 2POS GREEN

11

1829468

1829468

Phoenix Contact

TERM BLK HEADER 15POS GREEN

0

0707280

0707280

Phoenix Contact

TERM BLK HEADER 6POS GREEN

0

0710316

0710316

Phoenix Contact

TERM BLK HEADER 16POS GREEN

25827

0709783

0709783

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

1145

0709806

0709806

Phoenix Contact

TERM BLK SCREW CLAMP 1POS

0

1861219

1861219

Phoenix Contact

TERM BLK HEADER 8POS GREEN

33

0710222

0710222

Phoenix Contact

TERM BLK HEADER 7POS GREEN

49

1898978

1898978

Phoenix Contact

TERM BLK HEADER 16POS GREEN

173

0710248

0710248

Phoenix Contact

TERM BLK HEADER 9POS GREEN

31

0709903

0709903

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GREEN

3

1716687

1716687

Phoenix Contact

TERM BLK HEADER 9POS GREEN

33

1827596

1827596

Phoenix Contact

TERM BLK HEADER 8POS GREEN

535150

1703506

1703506

Phoenix Contact

TERM BLK HEADER 7POS GREEN

3

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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