Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
1746760000

1746760000

Weidmuller

CONN TERM BLK FEED THRU 6-16 AWG

14

1616500000

1616500000

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

1690

0661160000

0661160000

Weidmuller

CONN TERM BLK GROUND 14-22AWG

176100

0105420000

0105420000

Weidmuller

CONN TERM BLK DISCONNECT 8-26AWG

0

1831280000

1831280000

Weidmuller

CONN TERM BLK DISCONN 12-30AWG

784700

0139160000

0139160000

Weidmuller

CONN TERM BLK FEED THRU 2/0-4AWG

12

1014300000

1014300000

Weidmuller

CONN TERM BLK DISCONNECT 8-20AWG

14500

1833340000

1833340000

Weidmuller

CONN TERM BLK FEED THRU 6-18 AWG

141200

0340720000

0340720000

Weidmuller

CONN TERM BLK DISCONN 10-22AWG

0

2051500000

2051500000

Weidmuller

FEED-THROUGH TERMINAL, PUSH IN,

0

1039600000

1039600000

Weidmuller

CONN TERM BLK FEED THRU 8-26 AWG

1132500

1770390000

1770390000

Weidmuller

CONN TERM BLK GROUND 10-26AWG

462000

8670520000

8670520000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

50100

0443660000

0443660000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

0

1632050000

1632050000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

7933200

1784120000

1784120000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

50100

2551520000

2551520000

Weidmuller

TERM BLOCK, PUSH IN, 35 MM2, 100

4160

1784180000

1784180000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

19750

1027550000

1027550000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

46

1805940000

1805940000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

125400

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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