The LV848510 is a 2nd MX opening voltage release from the Schneider Electric MasterPact range, designed as a shunt trip release for MasterPact MTZ2 and MTZ3 drawout circuit breakers. It operates on a 12 VDC supply and is classified under standard control type for control applications.
The voltage release requires a 12 V DC power supply (Un). The threshold tripping voltage is specified as 0.7...1.1 Un on opening — meaning the release will trip when the supply voltage drops to between 8.4 V and 13.2 V DC, which is the operating band for reliable shunt trip actuation. Maximum response time is 60 ms on opening for both MasterPact MTZ2 and MTZ3 frames, so the release clears the trip signal within that window. Holding power consumption is 4.5 W, which governs the continuous load on the control transformer or DC supply feeding the release coil.
Deployment Context
This shunt trip release mounts into the drawout cradle of MasterPact MTZ2 or MTZ3 air circuit breakers. The drawout configuration means the release is installed on the breaker chassis, not the fixed enclosure — relevant for panel builders coordinating the control wiring to the moving breaker carriage. It is a control-circuit component, not a main power path device; its function is remote or automatic tripping via a 12 VDC signal.