Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
1683260000

1683260000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

614600

2551530000

2551530000

Weidmuller

TERM BLOCK, PUSH IN, 35 MM2, 100

4640

1743180000

1743180000

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

50

7904180000

7904180000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

10350

1041920000

1041920000

Weidmuller

CONN TERM BLK GROUND 10-26AWG

106

C905264600

C905264600

Weidmuller

CONN TERM BLK FEED THRU 3-20 AWG

308200

1768330000

1768330000

Weidmuller

CONN TERM BLK FEED THRU 4-14 AWG

7

1905130000

1905130000

Weidmuller

CONN TERM BLK GROUND 10-30AWG

112

1020280000

1020280000

Weidmuller

CONN TERM BLK FEED THRU 8-26 AWG

0

1020300000

1020300000

Weidmuller

CONN TERM BLK FEED THRU 6-16 AWG

108018500

1771390000

1771390000

Weidmuller

CONN TERM BLK FEED THRU 8-22 AWG

25

1689990000

1689990000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

310500

8731640000

8731640000

Weidmuller

CONN TERM BLK DISCONN 12-30AWG

901100

1521780000

1521780000

Weidmuller

FEED-THROUGH TERMINAL, PUSH IN,

4800

1798460000

1798460000

Weidmuller

CONN TERM BLK GROUND 18-26AWG

115200

1753280000

1753280000

Weidmuller

CONN TERM BLK FEED THRU 14-26AWG

220

7914370000

7914370000

Weidmuller

CONN TERM BLK DISCONN 10-26AWG

39175

1924470000

1924470000

Weidmuller

CONN TERM BLK GROUND 12-30AWG

91200

1925740000

1925740000

Weidmuller

CONN TERM BLK ISOLATED 12-26 AWG

10

1714970000

1714970000

Weidmuller

CONN TERM BLK FEED THRU ISOLATED

78

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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