Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
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

OSTVZ185050

OSTVZ185050

On-Shore Technology, Inc.

TERM BLK HEADER 18POS GREEN

0

MPT-275-GY

MPT-275-GY

Altech Corporation

PANEL FEED-THRU 1P GRY 75MM 24A

0

VZ1830500000G

VZ1830500000G

Anytek (Amphenol Anytek)

TERM BLK HEADER 18POS GREEN

0

0708713

0708713

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

6

1702989

1702989

Phoenix Contact

TERM BLK HEADER 3POS GREEN

0

0708344

0708344

Phoenix Contact

TERM BLK SCREW CLAMP 1POS BLACK

0

1899265

1899265

Phoenix Contact

TERM BLK HEADER 15POS GREEN

0

1727744

1727744

Phoenix Contact

TERM BLK HEADER 7POS GREEN

0

1716713

1716713

Phoenix Contact

TERM BLK HEADER 12POS GREEN

20

VZ0330500000G

VZ0330500000G

Anytek (Amphenol Anytek)

TERM BLK HEADER 3POS GREEN

0

0707950

0707950

Phoenix Contact

TERM BLK HEADER 10POS GREEN

0

1702028

1702028

Phoenix Contact

TERM BLK HEADER 3POS GREEN

0

1861222

1861222

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

3073568

3073568

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1702882

1702882

Phoenix Contact

TERM BLK HEADER 9POS GREEN

0

2428300000

2428300000

Weidmuller

TERM BLK SCREW CLAMP 1POS GRAY

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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