Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
1989830000

1989830000

Weidmuller

TEST-DISCONNECT TERMINAL, PUSH I

600

2051360000

2051360000

Weidmuller

PE TERMINAL, PUSH IN, 4 MM, GRE

500

1896140000

1896140000

Weidmuller

CONN TERM BLK FEED THRU 8-16 AWG

200300

1041960000

1041960000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

96600

1771360000

1771360000

Weidmuller

CONN TERM BLK GROUND 8-22 AWG

113300

1010500000

1010500000

Weidmuller

CONN TERM BLK GROUND 2-12 AWG

95250

1683420000

1683420000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

10852500

1807090000

1807090000

Weidmuller

CONN TERM BLK GROUND 10-26AWG

73

1040800000

1040800000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

573400

7910190000

7910190000

Weidmuller

CONN TERM BLK DISCONN 10-22AWG

28400

1521880000

1521880000

Weidmuller

FEED-THROUGH TERMINAL, PUSH IN,

700

0499560000

0499560000

Weidmuller

CONN TERM BLK FEEDTHRU BGE 1=10

1450

1041620000

1041620000

Weidmuller

CONN TERM BLK GROUND 12-26AWG

48

1024700000

1024700000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

138600

1608600000

1608600000

Weidmuller

CONN TERM BLK ISOLATED 12-30 AWG

97200

1720930000

1720930000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

205

2561960000

2561960000

Weidmuller

W-SERIES, FUSE TERMINAL, RATED C

492500

1011010000

1011010000

Weidmuller

CONN TERM BLK DISCONNECT 8-20AWG

101

0322860000

0322860000

Weidmuller

CONN TERM 10-26AWG 1=BLOCK OF 10

29240

1012300000

1012300000

Weidmuller

CONN TERM BLK DISCONNECT 8-20AWG

52150

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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