ABB ACH550-VCR Installation, Operation & Maintenance Manual

ACH550 Installation, Operation and Maintenance Manual 43
ACH550 E-Clipse Bypass
Connection diagrams – Standard E-Clipse Bypass (R8, floor mounted)
ACH550 Standard E-Clipse Bypass units are configured for wiring access from the
top. The following figure shows the Standard E-Clipse Bypass (floor mounted) wiring
connection points.
B4
ACH550 Drive
E-Clipse Bypass
Control Board
Terminals ( x2)
Disconnect Switch
or Circuit Breaker
Ground Lug Bar
Input Power
Terminals
Motor Terminals
Service Switch
(optional)
ACH550
Control Board
Terminals ( x1)

ABB ACH550-VCR Specifications

General

Frequency	50/60 Hz
Output Voltage	0 to Input Voltage
Output Frequency	0 to 500 Hz
Type	Variable Frequency Drive (VFD)
Power Range	0.75 to 400 kW
Communication Protocols	Modbus RTU
Enclosure Type	IP21
Mounting	Wall-mounted
Protection Features	Overvoltage, Undervoltage, Overcurrent, Overtemperature, Short-circuit
Ambient Temperature	-10 to +50 °C
Storage Temperature	-40 to +70 °C
Relative Humidity	5 to 95 % (non-condensing)
Altitude	Up to 1000 m
Control Method	Scalar (V/Hz), Sensorless Vector Control