Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
3056284

3056284

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1727825

1727825

Phoenix Contact

TERM BLK HEADER 4POS GREEN

0

3073801

3073801

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

3056349

3056349

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

0717393

0717393

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

3075126

3075126

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1727906

1727906

Phoenix Contact

TERM BLK HEADER 12POS GREEN

0

3075139

3075139

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1727812

1727812

Phoenix Contact

TERM BLK HEADER 3POS GREEN

0

0716035

0716035

Phoenix Contact

TERM BLOCK 1POS

0

3073610

3073610

Phoenix Contact

TERM BLK SCREW CLAMP 2POS GRAY

0

3026175

3026175

Phoenix Contact

TERM BLOCK 1POS

0

3056161

3056161

Phoenix Contact

TERM BLK SCREW CLAMP 2POS GRAY

0

0707727

0707727

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

3075003

3075003

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

3073607

3073607

Phoenix Contact

TERM BLK SCREW CLAMP 2POS GRAY

0

1727867

1727867

Phoenix Contact

TERM BLK HEADER 8POS GREEN

0

3075087

3075087

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

3056307

3056307

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

0717597

0717597

Phoenix Contact

TERM BLK 1POS BLUE

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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