Instruction manual – AP901 Arc Protection Unit
14 (39
)
A1017B
3.5.1
S
CHEME SELECT DIP
-
SWITCH SETTINGS
This chapter describes the available schemes that are configured using the Scheme Select
1…4 dip-switches.
Logic scheme 0
The AP901 logic scheme 0 can be not only applied as stand-alone arc protection unit, but also
widely used as non-selective outgoing feeder compartment protection. Depend on this
scheme, user can select either light only mode or arc light + overcurrent mode to trip all circuit
breakers. The detailed instruction is described in “AP SAS ™ Standard Arc Schemes -
Instruction booklet”.
Figure 3-2: AP901 logic scheme 0
