Description
Product Technical Parameters
| Feature | Specification |
|---|---|
| Brand | Flowserve / Limitorque |
| Model | 64-825-0071-3 |
| Part Number | 64-825-0071-03 |
| Series | Limitorque MX Series (Smart Actuators) |
| Board Type | Main Power Distribution / Motor Control Board |
| Input Voltage | Multi-voltage support (e.g., 230V, 460V, 575V AC) |
| Phase | 3-Phase standard (Single-phase optional) |
| Control Logic | Integrated gate drive for motor switching |
Product Datasheet
| Attribute | Details |
|---|---|
| Dimensions | 21.6 cm x 15.2 cm x 6.4 cm |
| Weight | 0.92 kg (approx. 2.03 lbs) |
| Country of Origin | USA |
| Operating Temp | -30°C to +70°C (-22°F to +158°F) |
| Storage Temp | -40°C to +85°C |
| Humidity | 100% Weatherproof when installed in MX housing |
| Protection | Transient voltage surge suppression (TVSS) |
Application Fields
The 64-825-0071-3 is a vital internal component for Limitorque MX “Smart” actuators. It is extensively used in:
- Oil and Gas Pipeline Valve Control
- Water and Wastewater Treatment Facilities
- Power Generation (Steam and Cooling Water isolation)
- Chemical Processing Plants
- Marine and Shipbuilding Valve Actuation
Product Instructions
- Safety Warning: The MX actuator contains high-voltage components. Ensure all primary power is locked out and tagged out (LOTO) for at least 10 minutes to allow capacitors to discharge before opening the electrical compartment.
- Installation: Align the 64-825-0071-3 board with the internal mounting pillars. Ensure the thermal interface material (if required) is correctly positioned against the aluminum housing for heat dissipation from the power transistors.
- Connector Seating: Connect the heavy-gauge motor leads to the power terminals and the low-voltage ribbon cables to the logic interface. Ensure all “snap-lock” connectors are fully engaged to withstand industrial vibration.
- Initialization: Once the housing is resealed and powered, use the non-intrusive Limitorque setting tool to verify that the board correctly recognizes the motor phase rotation and torque limits.
Product Q&A
Q: Can the 64-825-0071-3 be used in both MX and QX series actuators? A: While they share some architecture, this specific part number is designed for the MX series. Always verify the actuator’s nameplate part number to ensure compatibility with the power board revision.
Q: What are the symptoms of a failing power board? A: Common indicators include “Phase Loss” alarms, the actuator failing to move despite receiving a command, or the local display remaining blank while primary power is present.
Q: Is this board compatible with different voltage ratings? A: Yes, the 64-825-0071-3 is often a “universal” power board within the MX frame size, but it must be configured via jumpers or software to match the specific site voltage (230V vs 460V).
Q: Does this board include the motor contactors? A: In the MX “Smart” series, the 64-825-0071-3 uses solid-state components to manage motor switching, replacing traditional mechanical contactors for higher reliability and precision.
Similar Models Recommendation
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