Terminal Blocks - Panel Mount

Image Part Number Description / PDF Quantity Rfq
1250860000

1250860000

Weidmuller

WGK 16 SW

0

1250840000

1250840000

Weidmuller

WGKV 16 SW

0

1250810000

1250810000

Weidmuller

WGK 25/Z SW

0

1936600000

1936600000

Weidmuller

TERM BLK SCREW CLAMP 1POS GRAY

0

1250740000

1250740000

Weidmuller

WGK 50/Z SW

0

1635830000

1635830000

Weidmuller

TERM BLK HEADER 11POS BLACK

0

1937130000

1937130000

Weidmuller

TERM BLK SCREW CLAMP 1POS GRAY

0

1250720000

1250720000

Weidmuller

WGK 50 VP/Z SW

0

1635810000

1635810000

Weidmuller

TERM BLK HEADER 9POS BLACK

0

1936890000

1936890000

Weidmuller

TERM BLK SCREW CLAMP 1POS GRAY

0

1250880000

1250880000

Weidmuller

TERM BLK SCREW CLAMP 1POS BLACK

0

2020070000

2020070000

Weidmuller

WGK 10 VP GN/YE BX

0

1937080000

1937080000

Weidmuller

TERM BLK SCREW CLAMP 1POS GRAY

0

1965730000

1965730000

Weidmuller

TERM BLK SCREW CLAMP 1POS GREEN

0

1936520000

1936520000

Weidmuller

TERM BLK SCREW CLAMP 1POS GREEN

0

1250710000

1250710000

Weidmuller

WGK 50 VP SW

0

1937120000

1937120000

Weidmuller

TERM BLK SCREW CLAMP 1POS GREEN

0

1936910000

1936910000

Weidmuller

TERM BLK SCREW CLAMP 1POS GRAY

0

1936790000

1936790000

Weidmuller

TERM BLK SCREW CLAMP 1POS GREEN

0

1635800000

1635800000

Weidmuller

TERM BLK HEADER 8POS BLACK

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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