The LV839315 is a Schneider Electric MasterPact MTZ3 drawout circuit breaker, 3-pole, rated 3200 A at 104 °F (40 °C), with breaking capacity code. The unit ships without a Micrologic trip unit but includes ArcBlok arc-flash mitigation technology.
Breaking performance and fault handling
This breaker delivers 200 kA Icu at 254 V AC 60 Hz and 508 V AC 60 Hz, 130 kA Icu at 635 V AC 60 Hz, all per ANSI C37.50. At 50 Hz, the corresponding values are 200 kA at 254 V, 150 kA at 508 V, and 100 kA at 635 V. The rated short-time withstand current (Icw) is 100 kA for 0.5 s. Integral instantaneous protection is set at 243...297 kA. Maximum breaking time is 9 ms; maximum closing response time is 70 ms.
Physical configuration and mounting
Drawout mounting on base plate rails. Overall dimensions: width 31.07 in (789.1 mm), height 18.8 in (478.1 mm), depth 16.8 in (426.8 mm). Connection pitch is 9.06 in (230 mm). The breaker is supplied as a single unit.