160 A, 4-pole SENTRON MCCB for line protection
The Siemens SENTRON 3VA1116-5GF42-0AA0 is a 4-pole molded case circuit breaker rated for 160 A continuous at 40 °C, with a TM240 thermal-magnetic overcurrent release designed for line protection duty. It carries a maximum interrupting rating of 187 kA at 240 V, stepping down to 121 kA at 415 V, 75.6 kA at 440 V, and 17 kA at both 500 V and 690 V — a selectivity curve that covers most industrial distribution voltages without needing a frame size bump. The 160 A rating holds flat from 40 °C through 50 °C, then derates to 158 A at 55 °C, 155 A at 60 °C, 153 A at 65 °C, and 150 A at 70 °C. That means in a warm switchroom or enclosed panel you lose only 10 A at the top of the ambient range — the thermal design has headroom built in. Rated insulation voltage is 800 V, and the front face carries IP40 protection — fine for a clean indoor panel, but not for washdown zones. Maximum power loss at rated load is 38 W, which matters for ventilation planning in a dense cabinet.
Lifecycle and compliance posture
The part carries no undervoltage release, no communication function, and no ground-fault monitoring version — it is a straight line-protection MCCB with a TM240 release. If your specification requires a shunt trip, electronic trip unit, or Modbus interface, this is not the variant.
Panel fit and mounting
Dimensions are 130 mm height, 101.6 mm width, 70 mm depth — a 4-pole MCCB that fits standard Siemens SENTRON mounting bases and busbar systems. The 101.6 mm width (4 inches) matches the typical 4-pole MCCB footprint for panel cutouts and busbar pitch. Operating temperature range is -25 °C to 70 °C; storage range is -40 °C to 80 °C. The storage minimum matters if the breaker sits in an unheated warehouse before installation.
Sourcing and availability
This is a current-production Siemens SENTRON MCCB. It is sourced and quoted to order against an RFQ through independent distribution channels; availability and current pricing are confirmed at quote time.