What this MCCB does on the line
The Siemens SENTRON 3VA2140-5JQ36-0AA0 is a 3-pole molded case circuit breaker rated for 40 A continuous current, with an adjustable thermal-magnetic trip range from 16 A to 40 A.
Panel fit and thermal derating
Mounting dimensions are 105 mm wide by 181 mm tall by 86 mm deep. The breaker maintains its full 40 A rating across the entire operating temperature range of -25 °C to 70 °C.
