Parker 690+0150/460/CBN | Repair & Stock

Parker 690+0150/460/CBN | 150 HP 460V VFD

The Parker 690+0150/460/CBN is a heavy-duty 150 HP variable frequency drive, designed for 460V input in a chassis-style frame. With a braking switch onboard and no system board, this model is ideal for industrial applications requiring reliable motor control and deceleration without integrated communication boards.

• Power Rating: 150 HP (Frame F)
• Input Voltage: 460V AC ±10%
• Enclosure: Chassis (IP20)
• Braking Option: Braking switch included (B)
• System Board: Not present (N)

What Makes This Drive Configuration Unique?

This drive is perfect for conveyor systems, chillers, compressors, or pumping stations that require high torque, integrated braking, and open-style panel integration. Its simple architecture reduces complexity while maintaining robust deceleration performance.

Common Issues Resolved by Flexa Systems

• 🛠️ DC Bus Overvoltage – Often results from abrupt deceleration or misconfigured braking settings.
• 🛠️ Input Undervoltage – Can stem from weak power infrastructure or phase loss.
• 🛠️ Overcurrent Events – Due to shock loads, oversized motors, or poor torque control.
• 🛠️ Thermal Shutdowns – Drive overheats because of restricted airflow or high ambient temps.
• 🛠️ Stall Faults – Occur if current limit is too low or acceleration is too aggressive.
• 🛠️ Brake Resistor Trips – From frequent emergency stops or mismatched brake sizing.
• 🛠️ Brake Switch Errors – Common in high-inertia environments with frequent cycle demands.
• 🛠️ Communication Timeout – System boards not present here, but network-related COMMS may still fail externally.
• 🛠️ STO Circuit Not Detected – Applies only if retrofitted externally; we can diagnose these too.
• 🛠️ Power Control Sync Issues – Internal handshake disruptions between control and IGBT section.
• 🛠️ Speed Feedback Drift – Linked to encoder failure or signal noise.
• 🛠️ Instant Current Surge – Current exceeds trip limit under load or bad tuning.
• 🛠️ 24V Rail Fail – Often caused by IO overloads or external short circuits.
• 🛠️ Phase Input Loss – Single-phase loss leads to internal trip detection.
• 🛠️ DESAT Fault – Instantaneous overcurrent inside the IGBT power stage.
• 🛠️ Excess Ripple Alarm – Could be capacitor degradation or missing input phase.
• 🛠️ Brake Short Detection – Resistor or brake wiring faults can cause trip.
• 🛠️ Overspeed Cutoff – Feedback loop fails or encoder jumps unexpectedly.
• 🛠️ Analog Input Mismatch – Scaling or sensor mode errors (voltage vs. current).
• 🛠️ Low-Speed Boost Issues – Current draw spikes due to misconfigured startup torque.
• 🛠️ Overtemp on Motor – Happens with blocked cooling, overloaded motors, or bad thermistors.

Flexa Systems: Trusted Repair and Stocking Partner

Flexa Systems proudly services and stocks Parker 690+0150/460/CBN VFDs. From diagnostics and full refurbishments to field-tested replacements, we help keep your operation running. Every drive is inspected, tested, and supported by technicians who understand component-level issues and long-term reliability.

Important Notes

• This listing is specific to part number 690+0150/460/CBN.
• Inventory and pricing may vary depending on condition and options.
• Nationwide shipping from our Texas warehouse — fast turnaround, U.S.-wide service.