Line protection breaker with TM210 release
The Siemens SENTRON 3VA1020-2ED36-0AC0 is a 3-pole molded case circuit breaker (MCCB) rated for 20 A continuous current at 40 °C, using a TM210 thermal-magnetic overcurrent release. The TM designation means the release is fixed, not electronic — no adjustable long-time or short-time pickup settings, so it's a straight swap for a panel that already expects that trip curve. Rated insulation voltage is 800 V, and the interrupting capacity runs 52.5 kA at 240 V, dropping to 32 kA at 415 V, 13.6 kA at 440 V, and 7.5 kA at 690 V — enough for most distribution and motor branch circuits in industrial panels.