1. Nanocrystalline cores for voltage independent RCCBs.
(4)Nanocrystalline cores for type A voltage independent RCCBs.
Magnetic properties of nanocrystalline cores for type A voltage independent RCCBs
I△N
Initial permeability(k)
max. permeability(k)
Remanence(mT)
10-100mA
100-130
120-160
60-150
300mA
80-110
90-140
50-120
500mA
50-70
60-90
30-70
Fig.3 illustrates the static hysteresis loops and magnetization cures of nanocrystalline cores for type A voltage independent RCCBs
a. Hysteresis loop and magnetization cure for type A 10-100mA
b. Hysteresis loop and magnetization cure for type A/AC 300mA
c. Hysteresis loop and magnetization cure for type A/AC 500mA
(5) The testing method of nanocrystalline cores used in voltage independent RCCBs.
a.Test circuit
b.Technical requirements
(6) Specifications of nanocrystalline cores for voltage independent RCCBs
The core types for voltage independent RCCBs
