The Siemens 3VA2163-5HL36-0KC0 is a SENTRON molded case circuit breaker rated for continuous 63 A across its full operating temperature range of -25 °C to 70 °C, with no derating needed up to 70 °C. The 3-pole design includes a factory-fitted shunt trip (STL) and two auxiliary switches (HQ), so it arrives ready for remote tripping and status feedback without extra wiring.
This MCCB delivers 187 kA at 240 V, 121 kA at 415 V and 440 V, 75.6 kA at 500 V, and 3.7 kA at 690 V. The steep drop at 690 V is typical for a 63 A frame; if your fault current at 690 V exceeds 3.7 kA, you need a higher-rated frame or a current-limiting upstream device. At 415 V the 121 kA rating covers most industrial service entrances and large sub-distribution boards.
