The Siemens switch disconnector 3VA1 IEC frame 160 4-pole SD100, In=100A without overload protection w/o short-circuit protection clamp connection 3VA1 molded-case circuit breakers as switch disconnector variants in accordance with IEC 60947-3. 3VA molded-case circuit breakers are an important element of SENTRON protective components for industrial and infrastructure applications. The IEC 60947-3-compliant switch disconnector version of the 3VA1 allows you to use a molded-case circuit breaker to disconnect individual plant components safely and reliably. The 3VA molded-case circuit breakers are setting new standards in terms of flexibility and the variety of modular accessories available.

Standardized accessories for several sizes across all series of the 3VA1 and 3VA2 molded-case circuit breakers.
Key features of this version of the 3VA molded-case circuit breaker:
1. Compact design.
2. Available as 3-pole and 4-pole version.
3. Fixed and plug-in installation possible.