Terminal Blocks - Specialized

Image Part Number Description / PDF Quantity Rfq
ATBB95

ATBB95

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 130MM BG

0

ATBB70

ATBB70

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 98.0MM BG

0

ATBB35

ATBB35

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 75.0MM BG

0

ATBC35R

ATBC35R

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 75.0MM RED

0

ATBB35Y

ATBB35Y

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 75.0MM YLW

0

ATBC70BU

ATBC70BU

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 98.0MM BLU

0

ATBC70

ATBC70

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 98.0MM BG

0

ATBB35BU

ATBB35BU

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 75.0MM BLU

0

ATBC70BK

ATBC70BK

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 98.0MM BLK

0

ATBC35BU

ATBC35BU

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 75.0MM BLU

0

ATBC95BK

ATBC95BK

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 130MM BLK

0

ATBB95R

ATBB95R

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 130MM RED

0

ATBC95R

ATBC95R

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 130MM RED

0

ATBB95Y

ATBB95Y

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 130MM YLW

0

ATBB70R

ATBB70R

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 98.0MM RED

0

ATBB35BK

ATBB35BK

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 75.0MM BLK

0

ATBB95BU

ATBB95BU

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 130MM BLUE

0

ATBC95

ATBC95

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 130MM BG

0

ATBC70Y

ATBC70Y

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 98.0MM YLW

0

ATBB70BU

ATBB70BU

Socapex (Amphenol Pcd)

TERM BLK BUS BAR 2POS 98.0MM BLU

0

Terminal Blocks - Specialized

1. Overview

Specialized terminal blocks are modular electrical connectors designed for secure and reliable termination of wires in complex systems. These components enable controlled connection/disconnection of circuits while maintaining signal integrity and power stability. Their importance in modern technology spans across industrial automation, energy distribution, transportation systems, and IoT infrastructure, where precise electrical management is critical.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Example
Grounding Terminal BlocksHigh-conductivity materials, dual-level protectionIndustrial machinery grounding
Fuse-Protected BlocksIntegrated circuit protection, visual fault indicationControl panels in chemical plants
Double-Deck Terminal BlocksVertical space optimization, separate level isolationCompact HVAC control systems
High-Voltage BlocksReinforced insulation, creepage distance >8mmRenewable energy inverters

3. Structural and Technical Composition

Typical construction includes:

  • Insulating housing (PA66/Glass fiber reinforced thermoplastic)
  • Conductive elements (Copper alloy/Phosphor bronze)
  • Clamping mechanisms (Screw/nut or spring-cage type)
  • Marking systems (Laser-etched labels, removable inserts)

Advanced designs incorporate vibration-resistant features and multi-layer PCB interfaces.

4. Key Technical Parameters

ParameterTypical ValuesSignificance
Rated Current10-300ADetermines power handling capacity
Dielectric Strength2.5-15kVEnsures insulation reliability
Contact Resistance<10m Impacts thermal performance
Operating Temperature-40 C to +150 CDefines environmental suitability

5. Application Domains

  • Industrial Automation: PLC control cabinets, robotics
  • Energy Systems: Solar inverters, grid-tied storage
  • Transportation: Train control systems, EV charging stations
  • Building Tech: Smart grid interfaces, HVAC controllers

Case Study: Siemens' SIMARIS energy distribution system uses specialized terminal blocks to achieve IP67 protection in underground mining operations.

6. Leading Manufacturers and Products

VendorProduct SeriesTechnical Highlights
Phoenix ContactPTFIX Modular design, 85A rating
Weidm llerSAM seriesTool-free connection, -40 C cold resistance
TE ConnectivityMini CT seriesUL-certified 600V insulation

7. Selection Guidelines

Key considerations:

  • Electrical requirements: Current/voltage margins with 20% safety factor
  • Environmental factors: Temperature, humidity, and vibration profiles
  • Compliance standards: UL/CSA/IEC certifications
  • Installation method: DIN rail vs. panel mounting
  • Future scalability: Modular expandability options

8. Industry Trends Analysis

Current developments include:

  • Miniaturization: 30% size reduction in signal terminal blocks
  • Smart integration: Blocks with built-in current sensors
  • Material innovation: Halogen-free flame retardant polymers
  • Automated assembly: Pre-wired terminal blocks for Industry 4.0

Market forecasts indicate 7.2% CAGR through 2027, driven by renewable energy and automotive testing applications.

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