The Siemens SENTRON 3VA2116-5HL42-0BC0 is a 4-pole molded case circuit breaker rated for 160 A continuous current across the full ambient range from 40 °C to 70 °C — no derating needed up to that ceiling, which simplifies panel thermal budgeting in a crowded enclosure. Breaking capacity hits 187 kA at 240 V AC and stays at 121 kA through 440 V, then drops to 75.6 kA at 500 V and 3.7 kA at 690 V.
Built-in undervoltage release and auxiliary switching
That means it automatically trips when supply voltage drops below a threshold, which is standard for motor feeder protection or emergency-stop chains where you want the breaker open on loss of control power. No communication function on this variant; it's a standalone line-protection device, not a power-monitoring breaker.
Maximum power loss is 28 W at rated current — that's the heat the breaker dissipates into the enclosure. For a multi-breaker panel, sum these losses to size ventilation or forced cooling.