LTi Motion – PM‑M25.1DVA10 – PitchMaster II Servo Controller, 25 A (17 kVA)
The PM‑M25.1DVA10 (Moog / LTi Motion, P/N 181‑00851) is a high-performance PitchMaster II servo controller designed for precision pitch and azimuth motor control in wind turbines. Delivering 17 kVA power at 25 A, this rugged, fan-cooled unit mounts vertically and includes an onboard brake resistor and power electronics designed for demanding environmental conditions.
Key Features:
Model / P/N: PM‑M25.1DVA10 (Moog / LTi Motion), also referenced as 181‑00851
Rated Power: 17 kVA, continuous current 25 A, compatible with 400 V AC three-phase input
Cooling: Vertical ventilation through heatsink and fan; rated for –30 °C to +70 °C ambient
Brake Resistor: Integrated 30 Ω, 200 W unit included
Connectivity & Mounting: Robust terminal layout for motor, encoder, brake, DC bus; typically mounted in turbine nacelles
Application-Specific Design: Built for wind-turbine pitch systems (PitchMaster II family); sold both as spare part (e.g. 181‑00842 variant) and refurbished via specialist sellers