Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
0708179

0708179

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

1844387

1844387

Phoenix Contact

TERM BLK SCREW CLAMP POS GRAY

0

0708205

0708205

Phoenix Contact

TERM BLK HEADER 12POS GREEN

0

0708616

0708616

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1716425

1716425

Phoenix Contact

TERM BLK HEADER 5POS GREEN

0

1861235

1861235

Phoenix Contact

TERM BLK HEADER 10POS GREEN

0

1703247

1703247

Phoenix Contact

TERM BLK HEADER 5POS GREEN

0

1830774

1830774

Phoenix Contact

TERM BLK 4POS GREEN

0

1898907

1898907

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

1701582

1701582

Phoenix Contact

TERM BLK HEADER 6POS GREEN

0

3073393

3073393

Phoenix Contact

TERM BLK SCREW CLAMP 2POS GRAY

0

1703632

1703632

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

0708593

0708593

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1708755

1708755

Phoenix Contact

PANEL FEED-THROUGH TERMINAL BLOC

0

1716179

1716179

Phoenix Contact

TERM BLK HEADER 2POS GREEN

0

1701472

1701472

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

1701951

1701951

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

1899126

1899126

Phoenix Contact

TERM BLK HEADER 16POS GREEN

0

0707222

0707222

Phoenix Contact

TERM BLK HEADER 15POS GREEN

0

1701715

1701715

Phoenix Contact

TERM BLK HEADER 4POS 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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