Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
1042400000

1042400000

Weidmuller

CONN TERM BLK FEED THRU 6-16 AWG

75

1020010000

1020010000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

615

2562070000

2562070000

Weidmuller

W-SERIES, FUSE TERMINAL, RATED C

198500

0474560000

0474560000

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

187

1037720000

1037720000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

1275

1814690000

1814690000

Weidmuller

CONN TERM BLK DISCONN 10-22AWG

0

7920900000

7920900000

Weidmuller

CONN TERM BLK DISCONN 12-30AWG

87100

9537450000

9537450000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

222400

1521900000

1521900000

Weidmuller

FEED-THROUGH TERMINAL, PUSH IN,

500

1720830000

1720830000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

27

1024400000

1024400000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

4050

0661360000

0661360000

Weidmuller

CONN TERM BLK GROUND 8-20 AWG

83200

C905382600

C905382600

Weidmuller

CONN TERM BLK FEED THRU 8-22 AWG

0

1806990000

1806990000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

114100

9502600000

9502600000

Weidmuller

CONN TERM BLK FEED THRU 10-22AWG

252275

1028800000

1028800000

Weidmuller

CONN TERM BLK FEED THR 1/0-12AWG

54320

9158340001

9158340001

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

50695

7907400000

7907400000

Weidmuller

CONN TERM BLK GROUND 8-22 AWG

11

7907420000

7907420000

Weidmuller

CONN TERM BLK FEED THRU 8-22 AWG

28

1683640000

1683640000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

114

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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