Terminal Blocks - Din Rail, Channel

Image Part Number Description / PDF Quantity Rfq
ATDF4BU

ATDF4BU

Socapex (Amphenol Pcd)

CONN TERM BLK DISCONN 10-22AWG

0

ATX4BU

ATX4BU

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 10-22AWG

0

ATX25Y

ATX25Y

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 2-14 AWG

0

ASMA4

ASMA4

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 12-22AWG

0

ATD1FL4Y

ATD1FL4Y

Socapex (Amphenol Pcd)

CONN TERM BLK DISCONN 10-22AWG

0

ATX10G

ATX10G

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 6-20 AWG

0

ASMA21Y

ASMA21Y

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 14-22AWG

0

ATSC4R

ATSC4R

Socapex (Amphenol Pcd)

CONN TERM BLK DISCONN 12-22AWG

0

ATX25W

ATX25W

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 2-14 AWG

0

ASBM22G

ASBM22G

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 14-22AWG

0

ATB6BG

ATB6BG

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 8-22 AWG

0

ATX16F

ATX16F

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 4-20 AWG

0

ATDF4Y

ATDF4Y

Socapex (Amphenol Pcd)

CONN TERM BLK DISCONN 10-22AWG

0

ASA2BG

ASA2BG

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 14-22AWG

0

ATM42R

ATM42R

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 10-22AWG

0

ASMA4Y

ASMA4Y

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 12-22AWG

0

ATB25R

ATB25R

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 2-14AWG

0

ASMA42

ASMA42

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 12-22AWG

0

ATTAL2BU

ATTAL2BU

Socapex (Amphenol Pcd)

CONN TERM BLK FEED THRU 12-24AWG

0

ATG6

ATG6

Socapex (Amphenol Pcd)

CONN TERM BLK GROUND 8-22 AWG

0

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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