Siemens ETU776 - Displaying Measured Values: Currents and Frequency (English); Displaying Current Measurements in English (Example 1); Displaying Frequency Measurements in English (Example 2)

31WL Circuit Breaker Selection and Application Guide
Bell alarm, breaker ready-to-close, auxiliary contacts
Bell alarm
Remote reset Breaker Breaker open/close
coil voltage Form C ready-to-close auxiliary switches
AC DC contacts 1
b contact 2 a + 2 b 4 a + 4 b
None X
X A
X B
X C
X D
X X E
X X F
X X G
X X H
X X I
X X X J
X X X K
24 X L
48 X M
120 125 X N
240 250 X O
24 X X P
48 X X Q
120 125 X X R
240 250 X X S
24 X X T
48 X X U
120 125 X X V
240 250 X X W
24 X X Y
48 X X Z
120 125 X X 1
240 250 X X 2
24 X X X 3
48 X X X 4
120 125 X X X 5
240 250 X X X 6
24 X X X 7
48 X X X 8
120 125 X X X 9
240 250 X X X 0
WL Insulated Case Circuit Breaker
UL 489 Listed Catalog Number
Breaker catalog number
Operation voltage
Status Continuous duty coil
AC DC contact (electrical interlock)
None X
24 A
48 B
120 125 C
240 250 D
24 X E
48 X F
120 125 X G
240 250 X H
24 X J
48 X K
120 125 X L
240 250 X M
24 X X N
48 X X P
120 125 X X R
240 250 X X S
Shunt trip
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