Unidrive DFS Free-Standing Drives

100 HP to 1,250 HP
460 V | 575 V
UL Type 12 (NEMA 12), UL Type 3R (NEMA 3R)

      

Unidrive DFS Freestanding Drives

For many drive users, designing and building a high power drive enclosure requires extensive in house engineering expertise and time that they do not have.

  •  Pre-engineered, Highly Configurable
  •  Industry Best Lead-times
  •  Ready-to-ship units available
  •  Easy to Service, Compact Design
  •  Pair with Nidec’s leading motor technologies
    Induction Motors | Permanent Magnet Motors

           ACCU-Torq® AC severe duty motors       

Control Techniques' Unidrive DFS (Drive Free Standing) is a pre-assembled, ready to install drive enclosure system designed for use in high power applications to deliver optimum motor control and energy efficiency. These enclosed drive solutions are available in both UL Type 12 / NEMA 12 enclosures, and UL Type 3R / NEMA 3R enclosures.

Unidrive DFS Highlights:

No extra engineering required!

✓ Easy to integrate Rittal enclosures that include as standard: NEMA12 roof-vented, circuit breaker (35kA MCCB), fuses (UL), line & sharing chokes, and cabling (UL).

✓ Broad suite of option packages to meet various demanding applications & environments

✓ Increased safety against arc-flash with provisioning for isolator sequestering

✓ Compact design minimizes footprint

✓ Serviceable design, allowing fast & easy access to key components, including drive modules mounted on rail-system for safe, easy servicing

 

Easy to configure, ready to ship

  •  Simple to quote and order thru local Control Techniques partners.
  •  Factory stocked complete systems to support emergency shipments.
  •  Rapid lead-times, in as little as:
    •  1-5 days up to 450 HP
    •  5-10 days up to 1,250 HP
    (Dependent on options & quantities)
 
 

Specifications & Options

Enclosure rating

NEMA1 (Totally Enclosed, Filtered)
NEMA12 (IP54)

Environmental

35°C (95°F) Standard or 45°C (113°F) Ambient Temperature Rating
(Drive rating of 40°C (104°F) and 50°C (122°F) respectively)
Anti-condensation Heaters

Supply

Molded Case Circuit Breaker (MCCB) 35 kA*
Molded Case Circuit Breaker 65 kA*
Molded Case Circuit Breaker 100 kA*
MCCB Shunt Trip 110 V
MCCB Under Voltage Trip 110 V
MCCB Auxiliary Contacts
Harmonic Filters
Input Contactor
Incomer Bay (DFS1 Only - Isolated MCCB & Fuses, supports top or bottom cable supply)

Door Controls

Remote Mounted Keypad (Standard)
Start & Stop Pushbuttons
Running & Power-On Lamps
Fault/Reset Pushbutton & Lamp
Auto/Manual Selector Switch
Speed Potentiometer
Ethernet/110Vac Outlet
Emergency Stop (Standard or w/ relay)
Power / Energy Meter
180 degree hinged doors
Locks: Barrel Type (Standard), Key, or Padlockable
HMI

Motor

dV/dt Protection
Brake Control
Motor Blower Starter

Enclosure Configuration Options

MOV protection for use on un-earthed supplies
Remove internal EMC filter for use on un-earthed supplies
24 Vdc External Supply (maintains control of drive with isolator open)
Additional terminal rail for customer control connections
110Vac Control Interface (24 Vdc Standard)
Interior Lighting
4” Plinth-base (Standard), 8” Plinth-base (Optional)
Additional Enclosure Bay with backplate (15.75”)

Freight & Packaging

Expedited Shipping
Additional Crating Options

 
 

 

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