VAC5-D45A Okuma
Wake Industrial LLC is not an authorized distributor of this product.
The VAC5-D45A spindle drive features a rated current of 45A and operates at an AC voltage of 400V. Manufactured by Okuma, it belongs to the VAC Spindle Drives series with a utilization category of AC-3 and protection rated at IP20. This model supports both DIN rail and screw mounting.
Internal Product Review
The Okuma VAC5‑D45A spindle drive is a robust 45kVA AC unit. It features a 200A main breaker and dual internal fans in a shielded chassis. It supports resolver and encoder feedback, analog/optical I/O, and built‑in thermal and over‑current protection. The drive is designed for integration via MRDY and alarm terminals. It is ideal for high‑precision CNC machining and milling applications.
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Product Description:
The VAC5-D45A is a Spindle drive by Okuma designed for industrial automation control systems. This spindle drive runs on a 200V class power supply. It supports a 3-phase system. The drive accepts input voltages from 180V to 220V AC. The operational frequency of the drive is 50/60 Hz. A built-in 200A main circuit breaker provides primary circuit protection to the drive.
The VAC5-D45A spindle drive delivers a variable output voltage up to the input level. It is rated at approximately 45 kVA capacity. The drive includes a 5A fuse for motor safety and a 0.5A fuse for the control circuit. The power connections are made through N1 and P1 input terminals. The U, V, and W terminals, however, provide the spindle motor output. Spindle drive is designed with a variety of control and interface options to be used to enable integration. It has terminals dedicated to MRDY, alarm signals, and motor winding control. Resolver and encoder ports of VAC5-D45A spindle allow precise motor feedback input. The external cooling is supported by a fan connector in case it is needed. The drive handles both analog and optical communication interfaces. Parameter setup can be customized using onboard configuration switches.
The VAC5-D45A spindle includes multiple safety and mechanical features. It offers overcurrent and short-circuit protection of the system. The thermal monitoring prevents motor overload and detects high operating temperatures. The unit provides detection of overvoltage and undervoltage on power input lines. Diagnostic is built-in to check the resolver, encoder, IGBTs, and the fan status. The drive is enclosed in a shielded metal chassis for safety and durability. It is designed for panel-type mounting using screw points on the housing. It has two internal fans to handle cooling with dust-filtered airflow channels.
