Drive Dynamics Ltd
12A Opawa Road,
PO Box 1269,
Christchurch,
New Zealand
Phone (+64 3) 379 9826
Fax (+64 3) 379 9827

Proud to be New Zealand’s only locally owned and operated VSD and soft start specialist

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SD450 series VSD. Complete with V/Hz, sensorless vector, and a re-rating for HVAC applications. This drive offers performance and flexibility. Available from 1.5kW to 90kW, 400VAC three phase.

The SD450 has been designed to fulfil most motor drive applications in all types of industry. The "one drive for all applications" philosophy ensures exceptional performance and ease of integration into any control system. Precise control of speed and torque provide users the opportunity to refine production processes and optimise product quality.

Dimensions and ratings for each model

Click here to view current SD450 sizing table (PDF, 33Kb).

A Drive based on what the Market Demands

• V/Hz control for pump, fan, conveyors and HVAC applications. A 25% re-rating applies for variable torque applications.
• Sensorless vector for applications requiring fast and precise performance or high torque at low speed. Positive displacement pumps, material handling systems, indexing systems benefit from this accurate control.

Control Flexibility

• Set up and commissioning through removable keypad including 2 line 32 character LCD display in plain English, or via serial communications.
• Removable keypad can be used to configure multiple drives.
• Extensive on-board motor and drive protections.
• Comprehensive and programmable range of control inputs and outputs. As standard:
  • 8 digital inputs / 2 analogue inputs.
  • 5 digital outputs / 2 analogue output.
  • High speed 100kHz pulse input.
• Motor PTC/NTC input.
• RS485 Modbus RTU.
• Dual on-board PID control.
• Lead pump control with sleep/wake, pipe fill, duty cycle functions.
• Optional dynamic brake module.
• Wide range of sub-board options.
  • 5m remote mount display kit.
  • Keyboard with onboard potentiometer.
  • DeviceNet interface PCB.
  • Profibus interface PCB.
  • Analogue output expansion.

High Performance and Results

The SD450 provides immediate and exceptional results in most industrial applications. This dynamic and precise control provides the optimum in motor control performance.

• Sensorless vector offers precise speed and torque control to near zero speed.
• Operation to 40 degree C ambient temperature.
• Conformal coating on all internal circuit boards for optimum protection in harsh environments.
• Rugged 200% current overload capacity.
• Enclosed to IP20 protection.
• Temperature controlled heatsink fans.
• Switching frequency to 15kHz ensuring silent motor operation.

Certified and Approved

• Compliant to CE, UL and cUL.
• Compliant to C-Tick
• Designed and manufactured under ISO9001 and ISO14000.

SD450 specifications
Download SD450 brochure and specifications (PDF, 2.51 megabytes).

SD450 manual
If you would like us to post or email you a 3.89-megabyte PDF of the SD450 manual, email us.

(The specifications brochure is a PDF document. You will require Adobe Acrobat Reader to open it. Should you not have this software installed on your computer, you can download it (free) from: www.adobe.com/products/acrobat/readstep2.html)