Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
1683410000

1683410000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

35300

1706010000

1706010000

Weidmuller

CONN TERM BLK FEED THRU 12-26AWG

667

1771420000

1771420000

Weidmuller

CONN TERM BLK FEED THRU 8-22 AWG

99

1706090000

1706090000

Weidmuller

CONN TERM BLK GROUND 12-26AWG

67

1029100000

1029100000

Weidmuller

CONN TERM BLK FEED THROUGH BEIGE

89200

0467460000

0467460000

Weidmuller

CONN TERM BLK FEED THRU 10-26AWG

385600

1745240000

1745240000

Weidmuller

CONN TERM BLK FEED THRU 4-14 AWG

13

1016200000

1016200000

Weidmuller

CONN TERM BLK GROUND 12-26AWG

25100

1608580000

1608580000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

1753200

1119820000

1119820000

Weidmuller

CONN TERM BLK DISCONNECT 8-22AWG

44325

1989930000

1989930000

Weidmuller

TEST-DISCONNECT TERMINAL, PUSH I

0

9537490000

9537490000

Weidmuller

CONN TERM BLK FEED THRU 6-16 AWG

1002300

1905120000

1905120000

Weidmuller

CONN TERM BLK GROUND 10-30AWG

531550

1775510000

1775510000

Weidmuller

CONN TERM BLK GROUND 16-30AWG

37

1415470000

1415470000

Weidmuller

WDK 10 PE

9250

2561950000

2561950000

Weidmuller

W-SERIES, FUSE TERMINAL, RATED C

5050

1753290000

1753290000

Weidmuller

CONN TERM BLK FEED THRU 14-26AWG

138200

2561990000

2561990000

Weidmuller

W-SERIES, FUSE TERMINAL, RATED C

50150

0531820000

0531820000

Weidmuller

CONN TERM BLK DISCONNECT 8-20AWG

0

1820930000

1820930000

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

84140

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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