100 A MCCB for line protection — active, spec'd, and ready to specify
The Siemens SENTRON 3VA2110-6HM32-0AA0 is a 3-pole molded case circuit breaker rated for 100 A continuous current at 40 °C through 70 °C ambient — no derating needed across that range, which simplifies panel design in warm enclosures. Its interrupting capacity reaches 242 kA at 240 V AC and 187 kA at 415 V/440 V, dropping to 121 kA at 500 V and 3.7 kA at 690 V — the 690 V figure is the one to watch for 690 V line applications; at that voltage the breaker is still usable but the fault current must be coordinated downstream. Rated insulation voltage is 800 V, and maximum power loss is 10 W — low enough for dense panel layouts without forced ventilation. This is a line-protection design (not motor-protection or feeder), so it is sized for cable and busbar protection in distribution boards, switchgear, and sub-distribution panels.
Lifecycle and compliance — active, documented, traceable
Operating temperature range is -25 °C to +70 °C; storage from -40 °C to +80 °C. The 80 °C storage maximum exceeds the operating ceiling, which governs handling during transport and warehouse storage, not running conditions.
Panel fit and integration
Dimensions are 181 mm height, 105 mm width, 86 mm depth — a standard 3-pole MCCB footprint that fits most DIN-rail or direct-mount panel layouts without special adapters. No undervoltage release, no voltage trigger, no trip indicator, and no communication function on this variant — it is a basic line-protection breaker for straightforward distribution duty where remote monitoring or undervoltage lockout is not required.