Terminal Blocks
Terminal Blocks > Magnum® Brand

Magnum® Brand

For over 50 years, the Magnum® name has stood for wire connection custom solutions, superior service, and the most comprehensive selection of barrier-style terminal blocks in the industry.  Originally known as USD -- Underwriters Safety Device -- the brand offering has expanded to:

Terminal Blocks

  • Single Row
  • Double Row
  • Touch-Safe Terminal Strips
  • Filtered
  • Disconnect
  • Quick Connect
  • Rail Mount
  • Base Mount
  • Pluggable PCB Mount Blocks

Euro-Mag® PCB Mount Terminal Blocks

  • Cage Clamp
  • High Current
  • Pluggable
  • Screwless
  • Spring Clamp
  • Two & Three Tier

Power Blocks

  • Barrier
  • Connector/Stud Power Distribution Blocks
  • Dead Front
  • Power Blocks
  • Power Distribution
  • Splicer
  • Power Feed Thru Terminal Blocks
  • Stud Type Junction Blocks

Edge Connectors

Photo Control Receptacle Series

Rail Mount Fuse Holders

The Magnum® brand continues its leadership by introducing more versatile and innovative designs in the terminal block field.


Custom Products

The Magnum brand has been associated with leading design of custom products for the electronics and electrical markets. Once a customer’s product need is identified and defined, an innovative team of design engineers works to develop a custom product that addresses all defined customer requirements.

Telecom Power Panel Connector

Telecom power panel connector


Fast Prototyping

Utilizing in-house Model Shop and state-of-the-art computer technology, Magnum engineers can reduce the time it takes to move from concept to prototype. Functional prototypes can be made available in weeks, not months, to enable our customers to get a jump on their competition.

CAD System

State of the art design technology


Agency Certifications

Magnum engineering also offers complete in-house UL and CSA qualified testing facility. This saves our customers valuable time and money by eliminating the costly expense and red tape involved in gaining agency approvals.

In addition to UL recognitions and CSA certifications, the Magnum product line became the first U.S. barrier style terminal blocks with IEC compliance.

Relay Panel Connector

Protective relay panel connector