Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
1899087

1899087

Phoenix Contact

TERM BLK HEADER 12POS GREEN

33

3056996

3056996

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

70

1840560

1840560

Phoenix Contact

TERM BLK HEADER 3POS GREEN

4811000

1727605

1727605

Phoenix Contact

TERM BLK HEADER 4POS GREEN

1

0706605

0706605

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

200

0710028

0710028

Phoenix Contact

TERM BLK HEADER 2POS GREEN

48

1716506

1716506

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

0709026

0709026

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

201

1899294

1899294

Phoenix Contact

TERM BLK HEADER 3POS GREEN

1

0709110

0709110

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

46

0709877

0709877

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GREEN

13

0710206

0710206

Phoenix Contact

TERM BLK HEADER 5POS GREEN

63

0710251

0710251

Phoenix Contact

TERM BLK HEADER 10POS GREEN

132

0707332

0707332

Phoenix Contact

TERM BLK HEADER 12POS GREEN

30

1898981

1898981

Phoenix Contact

TERM BLK HEADER 2POS GREEN

46

1716658

1716658

Phoenix Contact

TERM BLK HEADER 6POS GREEN

9130

1861167

1861167

Phoenix Contact

TERM BLK HEADER 3POS GREEN

156

1899281

1899281

Phoenix Contact

TERM BLK HEADER 2POS GREEN

219

0708522

0708522

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1899045

1899045

Phoenix Contact

TERM BLK HEADER 8POS GREEN

38

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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