Siemens SIEM circuit breaker

Circuit breaker 3VA5 UL frame 125, switching capacity class H, 50 kA at 277 V, single-pole, system protection TM210, FTFM, In=70 A, overload protection Ir=70 A fixed setting, short-circuit protection Ii=10 x In, UL 489 SB (Naval), 50 °C without connection. Compact circuit breaker 3VA5 for system protection, 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 the event 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. Depending on the size: 1-, 2- (3-pole housing design) and 3-pole versions. 4. Depending on the size: switching capacity from 25 kA to 100 kA at 480 V for 3-pole breakers and 25 kA to 50 kA at 277 V for single-pole breakers. 5. The series features a thermal-magnetic overload relay. 6. Modular and easy-to-install internal accessories with a wide range of functions. 7. Consistent accessory platform across all 3VA UL compact circuit breakers.