What this MCCB carries
The Siemens 3VA2110-5JP36-0AF0 is a 3-pole IEC frame 160 molded-case circuit breaker rated for line protection with an ETU550 electronic trip unit offering LSI (long-time, short-time, instantaneous) protection curves. Its headline breaking capacity is 55 kA at 415 V, placing it in breaking capacity class M — sufficient for high-fault-current industrial distribution panels where upstream transformer capacity drives available fault current above 25 kA. The continuous current rating In is 100 A, with overload protection Ir adjustable from 40 A to 100 A. Short-time pickup Isd spans 0.6 to 10 times In, and instantaneous pickup Ii ranges 1.5 to 12 times In. This range lets the breaker coordinate with downstream feeders and motor starters without nuisance tripping on inrush. Neutral conductor protection is optional via an external current transformer, supporting up to 160% of the phase rating. The breaker ships with one auxiliary switch (changeover H) and one trip alarm switch (changeover) — both factory-fitted, saving a panel-builder wiring step.
Lifecycle and sourcing
For BOM-line commitment, the key ratings to verify against your existing coordination study are the 55 kA interrupting capacity at 415 V and the adjustable LSI settings — these are the parameters that govern selectivity with upstream and downstream devices. Sourced and quoted to order against an RFQ through independent distribution; availability and current pricing confirmed at quote time.