Technical Documentation

Download additional technical documentation including the following topics:

• Typical Time/Current Characteristic Curve
• Principal Types of CBE:
  • Thermal Circuit Breakers (TO)
  • Thermal-Magnetic Circuit Breakers (TM)
  • Magnetic Circuit Breakers (MO or HM)
  • High Performance Circuit Breakers
  • Electronic Overcurrent Protection
• Manual Trip / ON-OFF Switches
• Snap-Action Mechanism
• Trip Free Mechanism
• Terminals
• Auxiliary Contacts
• Solderability of Silver-Plated Terminals
• Current Ratings and Time/Current Characteristic Curves
• Ambient Temperature Influence
• Close Mounting of CBEs
• Typical internal resistance values
• ON Duty
• Interrupting Capacity Icn
• Inductive and Resistive Load
• Switching Sequence
• Degrees of Protection of Electrical Equipment According to IEC 60529 / DIN EN 60529
• Preferred Degrees of Protection
• Tolerances in Dimensional Drawings
• Cable Ratings:
  • to DIN EN 60934
  • for road vehicles
  • for aerospace applications
• Representation of Operating Status
• Definition of Make Contact and Break Contact
• Terminal Identification
• Graphical Symbols
  • in accordance with DIN EN 60617/IEC 60617 and ANSI Y32.20/CSA Z99
• Contact Resistance:
  • The physical causes of contact resistance
  • Influence of outside environmental conditions on contact resistance
  • Influence of internal environmental conditions on contact resistance
  • Typical applications for different contact materials
  • Measuring contact resistance