ABB's ACS350 General Machinery Drive features UL Type 4X (IP66) protection

ABB's frequency converter is designed for machine applications that require a high level of protection. Because no special enclosures and cabinets are required, the closed design speeds installation, saves money and gets the drives into operation quickly. The ACS350 General Machinery Drive — with UL Type 4X (IP66) protection — is offered in a 0.5 to 10 Hp (0.37 to 7.5 kw) range.

The design and materials used in the drive’s construction comply with current National Sanitary Foundation (NSF) standards. The drive’s design does not provide any nesting places for bacterial, and all components are protected from ingress of water. The control panel is designed for use in humid environments and is protected against infiltration of dust by a plastic window; the fan is integrated into the housing of the unit. This design does not have an external fan, which reduces the chance for failure in harsh environments.

The die-cast aluminum chassis is painted white and is manufactured with a cover made of fiberglass-reinforced polycarbonate. The enclosure has rounded edges for easy cleaning, and the surface shape is designed so that water drains off and away quickly. The heat sink ribs are constructed in a vertical design so that they are freely accessible. The housing is adhered to the chassis with a specially shaped seal that defends the drive against dirt deposits. Units can be wall mounted in close proximity to processing machines and within easy reach of operating personnel.

The ACS350 UL Type 4X (IP66) offers an optional integral disconnect switch when there is a need to isolate the motor and enable a safe working environment for maintenance and servicing. Features include: 

  • FlashDrop technology
  • Eight state sequence programming (PLC-like functions)
  • Control panel for easy start up and assistance
  • High-speed communications, including Modbus TCP, Ethernet IP, DeviceNet, Profibus-DP, CANopen
  • Cabinet-compatible hardware
  • EMC filter
  • Built-in brake chopper

The drives have comprehensive control connections — there are two bipolar analog and five digital inputs (of which one can be configured for pulse train), and one analog, one relay and one digital output. The drives feature a totally new generation of Fieldbus, with small, enclosed, plug-in adapters that offer high-speed communications. The drives feature embedded Modbus RTU, including several small, enclosed, plug-in Fieldbus adapters that offer high-speed communications.

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