BAUMULLER 0-77-750-0251C2 Power Printed Circuit Board

Technical Specifications

Model: 0-77-750-0251C2 (also marked 0777500251C2) Brand: BAUMULLER (Baumüller, Germany) Product Type: Servo Drive Power Stage Printed Circuit Board Mounting: Installed inside BAUMULLER b maXX series servo drive housing Operating temperature: 0℃ ~ +60℃ Storage temperature: -20℃ ~ +70℃ Relative humidity: 5%~95%, non-condensing Protection: IP20 (when fully assembled inside drive enclosure)

System compatibility

0-77-750-0251C2 belongs to BAUMULLER b maXX series servo drive power board. It matches corresponding b maXX drive chassis and control boards. Widely used for overhaul of printing machinery, metal forming and plastic extrusion equipment drive systems.

Function

0-77-750-0251C2 is the power stage PCB inside Baumüller servo drive. It converts DC bus voltage into three-phase AC output to drive servo motor. It integrates IGBT power components, current sampling circuits and hardware overcurrent protection. It receives control signals from main control board and outputs motor torque. It is used to replace damaged power boards during drive repair.

Installation

Cut off all high-voltage power of servo drive before disassembly. Open drive casing, discharge DC bus capacitors completely. Remove old power board, install 0-77-750-0251C2, secure mounting screws and reconnect bus, control and motor terminals. Check insulation and voltage levels, test motor operation before formal production.

Interface

DC bus terminal, 3-phase motor output terminals, signal header for control board, temperature detection points for 0-77-750-0251C2 BAUMULLER power board.

Feature

BAUMULLER original power stage circuit board, integrated current sampling, overcurrent / over-temperature protection, compact built-in drive layout, industrial anti-interference design. This legacy spare part used for old BAUMULLER b maXX servo drive power section maintenance and replacement.

Diagnostic

Drive reports overcurrent alarm after replacement: check motor cable short circuit and board current sensor for 0-77-750-0251C2. No motor output: inspect DC bus supply and IGBT circuit integrity. Overheating alarm: verify temperature sensor wiring and cooling fan function. Intermittent torque loss: check solder joints and connector contact.

Product Brief

0-77-750-0251C2 is German BAUMULLER b maXX servo drive power stage PCB. It converts DC bus to three-phase AC power to drive servo motor, classic spare part for legacy BAUMULLER drive system overhaul.

Disclaimer: All parameters are for reference only and shall not be used as the basis for quotation. Goods are scarce, overseas delivery lead time is 3-7 working days. It is only used for equipment maintenance and renovation.