Siemens circuit breaker 3VA1 IEC Frame 400 breaking capacity class M Icu=55 kA @ 415 V 4-pole, line protection TM240, ATAM, In=400 A overload protection Ir=280 A…400 A short-circuit protection Ii=5…10 x In N conductor unprotected nut keeper kit.
Key Specifications:
This Siemens circuit breaker is a 4-pole, 400 A MCCB designed for line protection. It features a TM240 adjustable thermal-magnetic trip unit with LI protection (Overload and Instantaneous Short-Circuit). Key specifications include:
Poles: 4-pole
Rated Current (In): 400 A
Trip Unit: TM240 thermal-magnetic, adjustable (LI protection)
Overload Protection (Ir): Adjustable from 280 A to 400 A
Short-Circuit Protection (Ii): Adjustable from 5xIn to 10xIn
Breaking Capacity (Icu): 55 kA @ 415 V AC
Neutral Conductor: Unprotected N conductor
Connection Type: Front terminal with nut keeper kit
Mounting: Fixed
Dimensions (W x H x D): 184 mm x 248 mm x 110 mm
Weight: 6.275 kg
