Siemens UL 489 - Frame and Trip Unit Designation

2 – 2
2.3 Frame designation
(1) Type of circuit breaker (WL)
(2) Siemens interrupting class
(3) Frame size
(4) Draw-out or fixed mounted circuit breaker
(5) No. of poles
(6) Maximum rated continuous current
2.4 Trip unit designation
(1) Type
(2) Catalog number
(3) Can be used in the following types of circuit breakers
(4) Regulatory approvals on a separate label
WLS2D316
(1) (2) (3) (4) (5) (6)
N450101000001
WLN., WLS., WLH., WLL., WLF., WLM.
0132-01
(1)
(2)
(3)
(4)