IF08CZ9 September, 2019
- 15 -
General Specifications (Electrical)
The general (electrical) specifications of the equipment are shown in the following table.
General (Electrical) Specifications
Item Standard
specification
Standard
Optional
Specification
Additional
Optional
Specification
Remarks
Frame Sizes
A4µ, A4, AS4, B4, BS4, & C4
See ratings
table for
specific kVA
ratings
available
Motor driven by this equipment
Squirrel-cage induction motor Synchronous
motor
Main power supply
Input supply
voltage and range
of fluctuation
Rated Voltage
±
10%
Rated Frequency
±
5%
Output voltage
0 ~ Rated Voltage
Control power supply Supply voltage
frequency
Internally supplied 480 V, 60
Hz
Externally supplied
480V, 60 Hz
Main circuit
PWM frequency
2048Hz
Regeneration
system
None
Input
controller/disconnect
A4u, A4, & B4
External
Internal
AS4 External
Others
Overload capacity 100% - continuous
110-115% - 60 sec (Depends
upon frame size and drive
rating)
125%,150%,
175%,200%
225%,250%
The higher OL
ratings require
a reduction in
continuous
capacity
dV/dt filter
No
A4u, A4, & B4 only
Ground protection Yes
Receptacle No
Yes
Motor cooling fan
control
No
Yes
Cabinet space
heater
No
Yes Space
heaters
must be
externally
powered.
Cabinet internal
light
No
Typical operating
sound levels
measured at a
distance of 1m x
1.5m high
LpAm (Operator) 78 dBA
LpAm (Bystander) 78 dBA
LpC (Operator) 79 dBC
Toshiba Reference File #328