Siemens SENTRON 3WA1 - Page 67

Description
2.3 Protection system
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
65
Characteristic
The characteristic is determined by the short-time-delayed tripping currents I
sd FW
(forward direction) and I
sd REV
(reverse direction) and the adjustable tripping times t
sd FW
and t
sd REV
.
Forward
Reverse