Kbac series.
adjustable frequency drive for 3-phase ac motors
nema 4x / ip65
variable speed / soft-start ac motor drive
with electronic motor overload protection1
washdown and watertight for indoor and outdoor use
rated for 208 – 230 and 400/460 volt 50 (24 pages)
Summary of Contents for KB Electronics KBBC Series
Page 1
Telephone: 954-346-4900; Fax: 954-346-3377 KB Electronics, Inc. www.kbelectronics.com KBBC SERIES OPERATING INSTRUCTIONS FIGURE 1 CONTROL LAYOUT AND GENERAL CONNECTION DIAGRAM Notes: 1. If Key Switch is not used, a connection must be made between the red wire of Connector P1 (Terminal 3) and quick-connect Terminal B+ for the control to operate.
Page 2
12095 NW 39 Street, Coral Springs, FL 33065-2516 "The Right Control for Your Application." Telephone: 954-346-4900; Fax: 954-346-3377 KB Electronics, Inc. www.kbelectronics.com KBBC SERIES OPERATING INSTRUCTIONS TABLE 1 ADJUSTABLE TRIMPOTS Trimpot Range Description Timed Brake Delay (T-BRK): Allows adjustment of the delay time before the brake engages after the control is put into the stop or brake mode.
Page 3
12095 NW 39 Street, Coral Springs, FL 33065-2516 "The Right Control for Your Application." Telephone: 954-346-4900; Fax: 954-346-3377 KB Electronics, Inc. www.kbelectronics.com KBBC SERIES OPERATING INSTRUCTIONS TABLE 4 LED STATUS INDICATORS Control Status Green LED Red LED Flash Rate* Slow...
Page 4
12095 NW 39 Street, Coral Springs, FL 33065-2516 "The Right Control for Your Application." Telephone: 954-346-4900; Fax: 954-346-3377 KB Electronics, Inc. www.kbelectronics.com KBBC SERIES OPERATING INSTRUCTIONS FIGURE 3 SIGNAL INPUT CONNECTION DIAGRAMS (CONNECTOR P1) TABLE 6 WITH JUMPER J1 SETTINGS...
Page 5
RECONDITIONING THE BUS CAPACITORS If this drive has been in storage for over one year it is necessary to recondition the power supply bus capacitors. To recondition the bus capacitors, apply the DC input voltage, with the drive in the Stop Mode, for a minimum of one hour.
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