Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
2019220000

2019220000

Weidmuller

WGK 10/Z GN/YE P BX

0

3056271

3056271

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

2020330000

2020330000

Weidmuller

WGK 10 BK BX

0

3056226

3056226

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

0717571

0717571

Phoenix Contact

TERM BLK 1POS BLUE

0

1936740000

1936740000

Weidmuller

TERM BLK SCREW CLAMP 1POS GREEN

0

1936510000

1936510000

Weidmuller

TERM BLK SCREW CLAMP 1POS GRAY

0

1936720000

1936720000

Weidmuller

TERM BLK SCREW CLAMP 1POS GREEN

0

3074952

3074952

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

3075029

3075029

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

3073678

3073678

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1250790000

1250790000

Weidmuller

WGK 25 SW

0

1250760000

1250760000

Weidmuller

TERM BLK SCREW CLAMP 1POS BLACK

0

3073694

3073694

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

3073788

3073788

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GRAY

0

1727883

1727883

Phoenix Contact

TERM BLK HEADER 10POS GREEN

0

0708234

0708234

Phoenix Contact

TERM BLK HEADER 15POS GREEN

0

1250780000

1250780000

Weidmuller

WGK 25/Z SW

0

1936770000

1936770000

Weidmuller

TERM BLK SCREW CLAMP 1POS GREEN

0

3073665

3073665

Phoenix Contact

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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