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KB Electronics KBRG-255
Regen DC Speed Control, 180vdc, 5HP
$1,100.00
 
General Information

- The KB Electronics KBRG-255 is a full-wave regenerative drive capable of operating DC PM or Shunt motors in a bidirectional mode

- Its 4-quadrant operation provides forward and reverse torque in both speed directions, thereby allowing the control to maintain constant speed with overhauling loads and provide rapid instant reversing and contolled braking

- Because of its excellent controllability and response time, the KBRG-255 can replace servos in many applications

- The control is factory set for armature feedback which provides up to 1% load regulation over a motor base speed of 50:1

- One of the KBRG-255's most important features is its array of LED's which indicate indicate the mode of operation the drive is in, and also serve as a diagnostic tool

- Additionally, KB's exclusive Auto Inhibit® circuit provides safe, smooth starting during rapid cycling of the AC line

- The overspeed protect circuit prevents failure of the power bridge in extreme overhauling conditions

Standard Features

- Enable Circuit
- Two (2) or Three (3) Wire Start/Stop
- Overload Shutdown with timed CL
- External Relay Contacts
- Function Indicator Lamps: Power On, Current Limit, Forward Enable, Reverse Enable
- Protection: Control Curcuit Fusing, MOV Transient Protection, Auto Inhibit®, Rapid Response Current Limit Curcuit, Regen Overspeed Protection

Typical Applications

- Conveyors
- Indexers
- Packaging Machinery
- Textile Equipment
- Positioners
- Feeders
- Converting Machinery
- Web Control

Technical Information
Specifications

- AC Line Input Voltage (VAC ±15%, 50/60Hz) - 230
- Arm Voltage Range at 230VAC Line (VDC) - 0-±180
- Field voltage at 230VAC Line (VAC) - 200/100
- Max Load Capacity (% for 1 minute)
- Ambient Temperature Range (°C) - 0-50(1)
- Speed Range (Ratio) - 50:1
- Arm Feedback Load Regulation (% Base Speed) - ±1
- Tach Feedback Load Regulation (% Set Speed) - ±1
- Line Regulation (% Base Speed) - ±0.5
- FWD and REV Accel Range (Sec.) - 0.1 - 15
- Dead Band Range (% Base Speed) - 0-±3
- Offset Range (% Base Speed) - 0-±5
- Max Speed Trimpot Range - (% Base Speed) - 70-110
- IR Comp Range at 230 VAC Line (VDC) - 0-30
- FWD and REV CL Range (% Range Setting ) - 0-150
- Timed CL Range (Sec.) - 1-15
- Voltage Following Input Range (VDC) - 0-±10
- Voltage Following Linearity (% Base Speed) - ±5

Electrical Ratings

- KB Part Number - 8821
- AC Line Voltage (VAC) ± 10% 50/60Hz - 230
- Motor Voltage (VDC) - 0-180
- Max. AC Load Current (RMS Amps) - 38
- Max. DC Load Current (DC Amps) - 26
- Maximum Horsepower HP. (Kw) - 5, (3.75)

Mechanical Specifications     Inches/mm




Connection Diagram



 

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