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Terminal Blocks
ISO 9001:2015 Certified

Terminal Blocks

Comprehensive range of terminal blocks for industrial wiring. DIN rail mounted and PCB type terminal blocks with screw and spring-cage connections for secure electrical termination.

Technical Specifications

Current Rating 10A to 150A
Voltage Rating 800V / 1000V
Wire Range 0.14mm² to 70mm²
Connection Type Screw / Spring-cage / Push-in
Housing Material PA66 (UL94 V-0)
Operating Temperature -40°C to +105°C
Mounting 35mm DIN rail / PCB
Standards IEC 60947-7-1, UL 1059

Key Features

  • DIN rail mount (35mm) and PCB mount options
  • Screw-type and spring-cage connection technology
  • Current ratings from 10A to 150A
  • Double-level and multi-level configurations
  • Integrated test points for easy troubleshooting
  • Marker strip compatibility for circuit identification
  • Pluggable variants for quick maintenance
  • Ground and fuse terminal blocks available

Applications

  • PLC and automation system wiring
  • Building management systems
  • Power distribution panels
  • Process control instrumentation
  • Elevator and escalator controls
  • Switchgear assemblies

Terminal Blocks

Unison Connectors offers a comprehensive range of terminal blocks designed for professional electrical installations. Our terminal blocks provide secure, maintenance-friendly wire termination for industrial control systems, building automation, and power distribution applications.

Product Categories

Feed-Through Terminal Blocks

Standard pass-through terminals for point-to-point wiring. Available in single, double, and triple-level configurations to maximize DIN rail space utilization.

Ground Terminal Blocks

Direct DIN rail contact for protective earth connections with distinctive yellow-green marking for easy identification.

Fuse Terminal Blocks

Integrated fuse holder for circuit protection directly at the terminal. Compatible with 5x20mm and 5x25mm fuses.

Disconnect Terminal Blocks

Knife-disconnect mechanism for easy circuit isolation during testing and maintenance without disturbing wiring.

Pluggable Terminal Blocks

Header and plug combination allows quick disconnection of equipment without tools, reducing maintenance downtime.

Connection Technology

  • Screw connection - Time-proven technology with high pull-out force
  • Spring-cage - Vibration-proof, maintenance-free connections
  • Push-in - Direct insertion of solid and ferrule-terminated wires

Accessories

Complete system includes end plates, partition plates, marker strips, jumper bars, test plugs, and mounting clips for professional panel assembly.