Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
1037700000

1037700000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

881500

1028900000

1028900000

Weidmuller

CONN TERM BLK FEED THRU 4-18 AWG

197400

0380480000

0380480000

Weidmuller

CONN TERM BLK FEED THRU 12-22AWG

280400

1017000000

1017000000

Weidmuller

CONN TERM BLK DISCONNECT 8-20AWG

50

1521680000

1521680000

Weidmuller

PE TERMINAL, PUSH IN, 2.5 MM, G

741150

1020500000

1020500000

Weidmuller

CONN TERM BLK FEED THRU 2-12 AWG

268

1690040000

1690040000

Weidmuller

CONN TERM BLK FEED THRU 14-30AWG

69

0340460000

0340460000

Weidmuller

CONN TERM BLK FEED THRU 14-24AWG

6300

1616440000

1616440000

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

365

1547610000

1547610000

Weidmuller

FEED-THROUGH TERMINAL, PUSH IN,

189

1636820000

1636820000

Weidmuller

CONN TERM BLK FEED THRU 8-22 AWG

19250

1779010000

1779010000

Weidmuller

CONN TERM BLK DISCONN 12-26AWG

114700

1717740000

1717740000

Weidmuller

CONN TERM BLK GROUND 2-12 AWG

38

1720950000

1720950000

Weidmuller

CONN TERM BLK GROUND 12-26AWG

175

0268860000

0268860000

Weidmuller

CONN TERM BLK FEED THRU 12-28AWG

319300

1882590000

1882590000

Weidmuller

CONN TERM BLK FEED THRU 10-28AWG

140

1683310000

1683310000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

128800

1683290000

1683290000

Weidmuller

CONN TERM BLK FEED THRU 12-30AWG

239200

1186780000

1186780000

Weidmuller

CONN TERM BLK FEED THRU 6-18 AWG

241550

1966020000

1966020000

Weidmuller

CONN TERM BLK DISCONNECT 4-18AWG

131728

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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