Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
0709291

0709291

Phoenix Contact

TERM BLK SCREW CLAMP 1POS GREEN

33

1936490000

1936490000

Weidmuller

TERM BLK SCREW CLAMP 1POS GRAY

101

2439540000

2439540000

Weidmuller

WGKV 10/Z GN/YE BX

50

1703616

1703616

Phoenix Contact

TERM BLK HEADER 2POS GREEN

17

2439490000

2439490000

Weidmuller

WGK 10/Z GN/YE P BX

2

0707293

0707293

Phoenix Contact

TERM BLK HEADER 7POS GREEN

162

2439440000

2439440000

Weidmuller

WGK 10 VP/Z GN/YE BX

50

1708745

1708745

Phoenix Contact

TERM BLK PUSH IN CLMP 2POS GRAY

1

0710125

0710125

Phoenix Contact

TERM BLK HEADER 12POS GREEN

62

1861170

1861170

Phoenix Contact

TERM BLK HEADER 4POS GREEN

65

2439470000

2439470000

Weidmuller

WGK 10 BK BX

50

1708744

1708744

Phoenix Contact

TERM BLK PUSH IN CLMP 1POS GRAY

3

0707251

0707251

Phoenix Contact

TERM BLK HEADER 3POS GREEN

669

1821067

1821067

Phoenix Contact

TERM BLK PUSH IN CLMP 3P GRANITE

45

1981890000

1981890000

Weidmuller

WGK 4 VP

100

1250660000

1250660000

Weidmuller

WGK 95 F VP SW

20

1716661

1716661

Phoenix Contact

TERM BLK HEADER 7POS GREEN

10

1821070

1821070

Phoenix Contact

TERM BLK PUSH IN CLMP 4P GRANITE

17

2439480000

2439480000

Weidmuller

WGK 10/Z BK P BX

50

1899139

1899139

Phoenix Contact

TERM BLK HEADER 2POS GREEN

2207

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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