The Siemens SENTRON 3VA1010-4ED36-0CC0 is a 3-pole molded case circuit breaker (MCCB) rated for line protection, carrying a continuous current Iu of 100 A and a TM210 thermal-magnetic overcurrent release. It holds a 121 kA interrupting capacity at 240 V, 75.6 kA at 415 V, and 52.5 kA at 440 V — numbers that tell the real story: this breaker clears high-fault conditions without cascading upstream, which keeps selectivity intact on a distribution panel feeding motor control centers or sub-distribution boards. The TM210 release is a fixed thermal-magnetic design — no interchangeable trip units, so the 100 A rating is locked. That simplifies ordering but means the breaker is sized to the load, not adjusted in the field. For a 100 A feeder on a 400 V three-phase supply, the 75.6 kA SCCR at 415 V gives ample headroom for most industrial service-entrance or panelboard applications.
Thermal derating and panel fit
The breaker carries its full 100 A from 40 °C through 50 °C ambient. At 55 °C it derates to 96 A, then 94 A at 60 °C, 92 A at 65 °C, and 90 A at 70 °C. If the panel ambient runs above 50 °C — say a tightly packed enclosure near a furnace line — the 96 A at 55 °C figure is the one to design against, not the nameplate 100 A. Dimensions: 76.2 mm wide, 130 mm high, 70 mm deep. That 70 mm depth is shallow enough to fit most standard distribution enclosures without a deep can. The IP40 front protection means it's suited for indoor panel mounting where no water spray is present; keep it behind a locked enclosure door in dusty environments.
Lifecycle and sourcing reality
The integrated auxiliary trip is specified as order code 3VA9608-0BB24 — that's the undervoltage release module that ships with the breaker. If you're replacing an existing 3VA breaker, verify that the auxiliary contact configuration (2 auxiliary switches HQ) matches your control wiring; the HQ designation indicates high-qualified contacts rated for signal-level switching.
Rated insulation voltage Ui is 800 V, which covers 690 V line-to-line systems with margin. The storage temperature range of -40 °C to 80 °C exceeds the operating range of -25 °C to 70 °C — that storage limit governs handling and warehouse conditions, not running duty. Latching endurance is rated at 15 000 operations, a figure that suits the breaker's role as an infrequently switched protective device, not a daily contactor.