AMNYTT amnytt.no 1/2021 | Page 71

Contents
1 . Why device circuit breakers ?
1.1 Benefits and advantages of device circuit breakers
1.2 Differences between miniature circuit breakers and device circuit breakers
1.3 What is a fault ? 1.4 System availability
2 . Differences between the technologies 2.1 Thermal circuit breakers 2.2 Thermomagnetic circuit breakers 2.3 Electronic circuit breakers
2.4 Which type of circuit breaker is recommended and when should it be used ?
3 . Extended functions
3.1
Remote control and signaling
functions
3.2
Nominal currents – Fixed or
adjustable
3.3
Adapted backup fuses
3.4
With or without current limiting
3.5
Electrical isolation
4 . Influencing factors in the application
5 . Communication
5.1
System transparency
5.2
IO-Link
6 . Challenges in applications
7 . Standards and approvals
7.1
European standards
7.2
American standards
7.3
Approvals for shipping
7.4
EU declaration of conformity
7.5
NEC Class 2
8 . Safe system operation with products from Phoenix Contact
9 . Glossary
PhoENix CoNtACt 3