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Power Board
Limitorque QX‑1 Power Board (Part No. 68‑825‑0012‑01 Rev1), a critical spare part used in Flowserve Limitorque QX Series quarter‑turn electric actuators.
- Type: Power Supply / Motor Controller PCB
- Model: QX‑1 actuator power board
- Part Number: 68‑825‑0012‑01 Rev1
- System Compatibility: Limitorque QX‑1 actuators (non‑intrusive quarter‑turn series)
- Brand : Limitorque
Product Overview:
The 68‑825‑0012‑01 Rev1 power board is the main power distribution and motor control PCB for Limitorque QX‑1 actuators. It converts incoming AC supply into regulated DC voltages for logic circuits, drives the actuator’s brushless DC motor, and provides protection against overloads and faults. It is essential for actuator operation, diagnostics, and communication.
Specifications (typical for QX power boards):
| Feature | Specification |
|---|---|
| Function | Power supply, motor drive, and protection |
| Input Voltage | 110–240 VAC (single‑phase) or 380–460 VAC (3‑phase, depending on actuator) |
| Output Voltages | 24 VDC logic, auxiliary DC rails |
| Motor Control | Brushless DC motor drive |
| Protection | Over‑voltage, over‑current, surge suppression, thermal shutdown |
| Interface | Connectors to CPU board, motor, feedback modules |
| Operating Temp | −40 °C to +70 °C |
| PCB Coating | Conformal coating for humidity/corrosion resistance |
| Compliance | IEC 60947, IP68 (when installed in actuator housing) |
Dimensions & Weight:
- Size: ~200 × 120 × 40 mm
- Weight: ~400–600 g
Applications:
- Installed in Limitorque QX‑1 actuators
- Provides regulated power and motor drive for:
- Valve open/close control
- Torque and limit protection
- Local/remote operation
- Used in:
- Power generation
- Oil & gas pipelines
- Water treatment plants
- Chemical and petrochemical automation
- Marine and HVAC systems
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