Portfolio Of The 3Wa1 Circuit Breaker - Siemens SENTRON 3WA1 Manual

• Optimized, low derating values according to IEC 60947-2
• Modular, easy-to-install accessories
• Accessories are designed for the maximum service life of the circuit breaker.
• Support by CAx files, EPLAN macros and Siemens tools simplifies planning and
integration of the circuit breaker into the overall installation.
2.1.2

Portfolio of the 3WA1 circuit breaker

The 3WA1 series comprises the circuit breakers
• 3WA11: Size 1
• 3WA12: Size 2
• 3WA13: Size 3
The series covers breaking capacities up to 150 kA at 500 V AC.
Size 2 covers breaking capacities I
3WA12 DC
up to 220 V DC
up to 300 V DC
up to 600 V DC
up to 1000 V DC
up to 1500 V DC
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
up to 20 kA at 1500 V DC.
cc
3-pole
4-pole
2.1 Overview - applications and portfolio
Breaking capacity class I
D
35 kA
30 kA
25 kA
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Description
cc
E
20 kA
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20 kA
25