Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
2051290000

2051290000

Weidmuller

FEED-THROUGH TERMINAL, PUSH IN,

0

1886590000

1886590000

Weidmuller

CONN TERM BLK DISCONN 12-30AWG

421450

2552090000

2552090000

Weidmuller

TERM BLOCK, PUSH IN, 35 MM2, 100

4630

1783820000

1783820000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

78

1037300000

1037300000

Weidmuller

CONN TERM BLK GROUND 2/0-6AWG

620

1022300000

1022300000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

1050100

1020310000

1020310000

Weidmuller

CONN TERM BLK FEED THRU 6-18 AWG

74

1221340000

1221340000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

0

1966050000

1966050000

Weidmuller

CONN TERM BLK DISCONNECT 4-18AWG

0

1772070000

1772070000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

104100

0128360000

0128360000

Weidmuller

CONN TERM BLK FEED THRU 10-22AWG

1192800

1020190000

1020190000

Weidmuller

WDU 4 YELLOW/BLACK

100200

1820560000

1820560000

Weidmuller

CONN TERM BLK FEED THRU 250 MCM

5

1284160000

1284160000

Weidmuller

CONN TERM BLK FEED THROUGH BEIGE

128500

1730940000

1730940000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

1501100

0380420000

0380420000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

72

1771380000

1771380000

Weidmuller

CONN TERM BLK FEED THRU 8-22 AWG

2050

1023400000

1023400000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

33175

1616400000

1616400000

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

31

1521690000

1521690000

Weidmuller

FEED-THROUGH TERMINAL, PUSH IN,

1001900

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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