Siemens SENTRON 3WA1 - Page 332

Accessories
4.9 Interlocking
3WA1 air circuit breaker
330 Equipment Manual, 02/2023, 92310000002-06
General information about the following configuration instructions:
Terms and abbreviations
The following terms are used in the configuration instructions from Chapter Interlocking
of two circuit breakers using a Bowden cable (Page 332) onwards:
• A1: Output information 1
• A2: Output information 2
• E1: Input information 1
• E2: Input information 2
• Q1: Circuit breaker 1
• Q2: Circuit breaker 2
• Q3: Circuit breaker 3
To connect output information 1 of circuit breaker 1 with input information 2 of circuit
breaker 2, for example, this abbreviation is used:
Q1 A1 - Q2 E2
Switching states on the operator panel
The states of the circuit breakers are indicated on the operator panel as follows:
Indication
Meaning
Circuit breaker closed
Circuit breaker open and not ready to close (interlocked)
Circuit breaker open and ready to close (not interlocked)
You will find more information in the operating instructions available on the internet
(https://support.industry.siemens.com/cs/ww/en/view/109792564
).