14
10 Packing List
Appendix 1: Basic knowledge of contact resistance
1. What is contact resistance?
The contact resistance is an additional resistance that occurs when
the stationary contact and the movable contact are in contact with
each other.
2. What are the components of the circuit breaker contact
resistance?
It consists of two parts: the shrinkage resistance and the surface
1
、
Host
1
2
、
Special test line (two high current lines 6m, two
high current test clips, two voltage test lines 6m)
1
3
、
Ground wire
1
4
、
5A Fuse
3
5
、
Accessory package
1
6
、
AC220V Power Cord
1
7
、
Instruction manual
1
8
、
Certificate
1
9
、
Inspection report
1
