Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
0380660000

0380660000

Weidmuller

CONN TERM BLK FEED THRU 6-12 AWG

99250

1031400000

1031400000

Weidmuller

CONN TERM BLK FEED THRU 14-26AWG

22502400

0608260000

0608260000

Weidmuller

CONN TERM BLK FEED THRU 2-12 AWG

23180

1831130000

1831130000

Weidmuller

CONN TERM BLK DISCONN 12-30AWG

52200

1011000000

1011000000

Weidmuller

CONN TERM BLK DISCONNECT 8-20AWG

1583600

9158350001

9158350001

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

9100

2561940000

2561940000

Weidmuller

W-SERIES, FUSE TERMINAL, RATED C

5050

1020080000

1020080000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

37

9503350000

9503350000

Weidmuller

CONN TERM BLK DISCONN 12-22AWG

113700

1041680000

1041680000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

252100

1037800000

1037800000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

405

1031480000

1031480000

Weidmuller

CONN TERM BLK FEED THRU 14-26AWG

137

1683650000

1683650000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

35

1012400000

1012400000

Weidmuller

CONN TERM BLK DISCONNECT 8-20AWG

132100

8014670000

8014670000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

252200

2551510000

2551510000

Weidmuller

TERM BLOCK, PUSH IN, 35 MM2, 100

174

9528070000

9528070000

Weidmuller

CONN TERM BLK DL DISCON 12-30AWG

23225

1887210000

1887210000

Weidmuller

CONN TERM BLK DISCONN 10-26AWG

44200

1020160000

1020160000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

5214200

1020260000

1020260000

Weidmuller

CONN TERM BLK FEED THRU 8-26 AWG

185100

Terminal Blocks - Din Rail, Channel

1. Overview

DIN Rail and Channel Terminal Blocks are modular electrical connectors used to secure and transmit electrical signals or power between wires and devices. Designed to mount on standardized DIN rails (EN 50022) or channel rails, these components enable efficient wiring organization in industrial and commercial systems. Their importance lies in simplifying complex electrical installations, enhancing maintainability, and ensuring reliable connectivity in critical infrastructure.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Screw-Type DIN Rail Terminal BlocksUses screw clamping for secure wire connections; supports high current ratingsIndustrial control panels, HVAC systems
Spring-Clamp Terminal BlocksTool-free push-in wiring for fast installation; vibration-resistantAutomation systems, railway signaling
PCB Mount Terminal BlocksDirect printed circuit board integration; compact designTelecom equipment, medical devices
Channel Rail Terminal BlocksDesigned for C-shaped channel rails; modular expandabilityPower distribution cabinets, renewable energy systems

3. Structure and Components

Typical construction includes:

  • Conductive Elements: Copper alloy or brass contacts with tin/silver plating for corrosion resistance
  • Insulation Housing: Flame-retardant thermoplastic (UL 94 V-0 rated)
  • Mounting Mechanism: Snap-in clips for DIN rail (35mm standard) or channel rail compatibility
  • Wire Connection System: Screw terminals (M3-M4), spring clamps, or cage clamps

4. Key Technical Parameters

ParameterTypical RangeImportance
Rated Current10A - 100ADetermines power transmission capacity
Rated Voltage250V - 1000VDefines electrical insulation requirements
Wire Size Compatibility0.14mm - 300mm Matches with conductor dimensions
Insulation Resistance>1000M Ensures safety and signal integrity
Operating Temperature-20 C to +70 CMaterial performance under thermal stress

5. Application Fields

  • Industrial Automation: PLC control cabinets, motor drives
  • Energy Systems: Solar inverters, wind turbine junction boxes
  • Building Infrastructure: Smart lighting control systems
  • Rail Transport: Train power distribution panels

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Phoenix ContactPT 10-1.5/HC SeriesModular design with cross-connection capability
Weidm llerOMNIMATE PCB Terminal BlocksHigh-density PCB connectivity
Schneider ElectricEasy Connect DIN Rail BlocksIP20 protection rating, color-coded wiring
TE ConnectivityDIN-A-MITE SeriesCompact size with 6kV impulse withstand

7. Selection Guidelines

Key considerations:

  • Match current/voltage ratings with system requirements
  • Choose connection type based on maintenance needs (screw for high reliability, spring for quick changes)
  • Verify wire gauge compatibility
  • Consider environmental factors (temperature, vibration, humidity)
  • Check certifications (UL, CSA, IEC 60947)

Case Study: A smart building project selected spring-clamp terminal blocks with 600V rating and IP55 housing to enable rapid maintenance while ensuring safety in electrical rooms.

8. Industry Trends

  • Miniaturization: 30% reduction in standard DIN rail block width (e.g., 6.2mm vs. 8.4mm)
  • Smart Integration: Built-in current sensors and IoT connectivity
  • Material Innovation: Halogen-free flame retardant materials
  • Standardization: Global adoption of IEC 61535 for safe low-voltage connections
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