Siemens SIEM circuit breaker

Circuit breaker 3VA6 UL Frame 250, switching capacity class M, 35 kA at 480 V, 4-pole, system protection ETU856, LSI, In=100 A, overload protection Ir=40 A...100 A, short-circuit protection Isd=0.6...10x In, Ii=1.5...12x In, adjustable neutral conductor protection (OFF, up to 160%), earth fault alarm message via EFB300 or COM without connection.

The compact circuit breaker 3VA6 with ETU 8 series for system protection has UL approval. The 3VA UL compact circuit breakers from Siemens are an essential part of the SENTRON protection components for industrial applications as well as for infrastructure applications. They provide effective system and starter protection through safe disconnection in case of overload and short circuit. The 3VA UL sets standards in flexibility and modular accessory variety.

Additionally, the 3VA UL compact circuit breaker offers the best conditions for globally exporting machinery and switchgear manufacturers. Besides the IEC standard, both series 3VA5 and 3VA6 also meet the UL standard. All functionalities can thus be used worldwide for systems.

This variant of the 3VA compact circuit breaker is characterized mainly by:
1. Compact design.
2. Available as a variant for system protection.
3. Available in 3- and 4-pole versions.
4. Four switching capacity classes from 55 kA to 150 kA at 480 V.
5. Depending on the size: rated current 40 A to 600 A.
6. Installation in fixed installation, plug-in technology, and slide-in technology is possible.
7. The series features an electronic overload relay.
8. Equipped with an integrated display for measurement value indication.
9. Integrated measurement function and optional communication connection via Modbus TCP, Modbus RTU, PROFINET, and PROFIBUS.
10. Modular and easy-to-install internal accessories with a variety of functions.