160 A continuous, 4-pole — line protection for distribution panels
The Siemens SENTRON 3VA1116-3GF46-0AA0 is a 160 A molded case circuit breaker (MCCB) with a 4-pole configuration, designed for line protection in main distribution panels. Its TM240 thermal-magnetic release provides overload and short-circuit protection, with a continuous current rating of 160 A that holds up to 50 °C ambient — at 55 °C it derates to 158 A, and at 70 °C it still carries 150 A, so the thermal curve is manageable for most enclosed panel layouts. Breaking capacity varies by system voltage: 75.6 kA at 240 V, 52.5 kA at 415 V, 32 kA at 440 V, and 11.9 kA at both 500 V and 690 V. That spread tells you the 3VA1116-3GF46-0AA0 is sized for 400 V-class distribution where fault currents are moderate — it is not a high-fault 690 V breaker, but at 240 V it handles serious industrial fault levels.
Mounting and integration — DIN-rail footprint
The breaker measures 101.6 mm wide, 130 mm tall, and 70 mm deep — a standard 4-pole MCCB footprint that snaps onto DIN rail in the panel. Front IP40 protection means it is suited for general indoor distribution boards where tools or fingers might contact the front face but not for washdown zones. No undervoltage release, no communication module, no ground-fault monitoring on this variant — it is a straight thermal-magnetic line protection device, so plan external accessories if those functions are needed downstream.