Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
2561900000

2561900000

Weidmuller

W-SERIES, FUSE TERMINAL, RATED C

25450

1024780000

1024780000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

144900

0327960000

0327960000

Weidmuller

CONN TERM BLK DISCONN FEED THRU

80

0270320000

0270320000

Weidmuller

CONN TERM BLK FEED THRU YELLOW

29

1905080000

1905080000

Weidmuller

CONN TERM BLK DISCONN 10-30AWG

47250

1020040000

1020040000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

54230400

1964810000

1964810000

Weidmuller

CONN TERM BLK DISCONN 12-30AWG

29

1131750000

1131750000

Weidmuller

ZDLD 2.5-2N/PE/L/L

20

1775580000

1775580000

Weidmuller

CONN TERM BLK FEED THRU 16-30AWG

1001800

0380760000

0380760000

Weidmuller

CONN TERM BLK FEED THRU 2-12 AWG

38

1012200000

1012200000

Weidmuller

CONN TERM BLK DISCONNECT 8-20AWG

50150

0294360000

0294360000

Weidmuller

CONN TERM BLK FEED THRU 12-24AWG

1272800

1022600000

1022600000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

32300

1019700000

1019700000

Weidmuller

CONN TERM BLK GROUND 250MCM-2AWG

10

2051220000

2051220000

Weidmuller

FEED-THROUGH TERMINAL, PUSH IN,

600

0538960000

0538960000

Weidmuller

CONN TERM BLK FEED THRU 12-22AWG

61

1020060000

1020060000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

93900

1019100000

1019100000

Weidmuller

CONN TERM BLK GROUND 6-14 AWG

41300

0303560000

0303560000

Weidmuller

CONN TERM BLK FEED THRU 2-12 AWG

4480

1143020000

1143020000

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

15714100

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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