DC2-70G | Reliance Electric 115/230 VAC Drive with a NEMA 12k Enclosure

Description 

The DC2-70G drive, manufactured by Reliance Electric Rockwell, features a line voltage of 115/230 VAC or 50/60 Hz and is housed within a NEMA 12k enclosure with operator control. With a motor horsepower ranging from ¼ to 2 HP, this drive offers start/stop and speed input capability for normal applications, regulated by armature voltage or motor-mounted D-C tachometer. 

The DC2-70G drive is highly adjustable, catering to various user needs. Its features include potentiometer motor speed adjustment, separately adjustable maximum and minimum speeds, independently adjustable rates, adjustable current limit, and adjustable IR drop compensation. Employing full wave and half-control power conversion with a back diode ensures efficient power conversion, optimal armature waveforms, and cooler motor operation across extensive operating speed ranges. 

Within the DC2 series drives, additional features include a voltage regulator, AC input voltage jumper, s-curve acceleration jumper, minimum speed disable jumper, tach scaling jumper, and voltage/tach feedback jumper. Tachometer requirements entail either 7 VDC or 20.8 VDC per 1000 RPM design. The series also incorporates a power cube containing all power semiconductors for enhanced reliability and streamlined maintenance. 

Technical Specifications 

Information About DC2-70G

The DC2-70G drive, manufactured by Reliance Electric Rockwell, features a line voltage of 115/230 VAC or 50/60 Hz and is enclosed in a NEMA 12k enclosure with operator control. This drive is available with motor horsepower ranging from 1/4 to 2 HP. 

Equipped with start/stop and speed input capability for standard applications, the DC2-70G drive is governed by armature voltage regulation or motor-mounted D-C tachometer. Offering extensive adjustability, it can be customized to meet specific user requirements. Adjustable features include potentiometer motor speed adjustment, separately adjustable maximum and minimum speeds, independently adjustable rates, adjustable current limit, and adjustable IR drop compensation. 

The DC2-70G drive employs full wave and half-control power conversion with a back diode to enhance power conversion efficiency, maintain optimal armature waveforms, and ensure efficient motor operation across a wide range of operating speeds. 

Additionally, the DC2 series drives incorporate various features such as a voltage regulator, AC input voltage jumper, s-curve acceleration jumper, minimum speed disable jumper, tach scaling jumper, and voltage/tach feedback jumper. Tachometer requirements for these drives are specified at either 7 VDC or 20.8 VDC per 1000 RPM design. 

Manufacturer information

Reliance Electric, a pioneering electrical equipment manufacturer, was founded in 1904. Acquired by Rockwell Automation, it specialized in motors, drives, and industrial automation solutions. Known for innovation, Reliance played a key role in advancing industrial technology.

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