89
Installation
Line Fusing and Wire Size
You must incorporate over current protection for the incoming AC power with the minimum
rating shown here. Control Techniques recommends Bussman type: KTK-R, RK1or
equivalent.
* This is at 20% derated drive output only current as required when using single-phase AC power.
Epsilon Only
This inrush current specification assumes the drive has been powered off for at least eight
minutes at 40ºC (104ºF) ambient or five minutes at 25ºC (77ºF) ambient. If this amount
of time has not elapsed since power off, the inrush current will be higher.
Input Power Connections
Epsilon Only
Power must be "Off" for a minimum of 6 minutes for the Epsilon 205 and 3 minutes for
the Epsilon 202/203 drives before unplugging the power connection, to ensure the bus
voltage has decreased to a safe level (below 50 VDC).
Drive Model External AC Line Fuse
Recommended Minimum AC/PE Line Wire
Gauge
EN-204 KTK-R 15 Amp 1Ø 14 AWG
EN-208 RK1 20 Amp 1Ø 12 AWG
EN-214 RK1 20 Amp 3Ø 12 AWG
Eb-202 KTK-R 6 Amp 16 AWG
Eb-203 KTK-R 8 Amp 16 AWG
Eb-205 KTK-R 12 Amp 16 AWG
Drive Model
Input Voltage
(VAC)
Frequency
(Hz)
Input Current
(Amps RMS) at
full drive output
current
Inrush Current (Amps)
1st Cycle 2nd Cycle
1 Ø 3 Ø
EN-204 90 - 264 / 1 Ø
47 - 63
9.5 A - 140 (8ms) 50 (8 ms)
EN-208 90 - 264 / 1 Ø 19 A - 140 (8ms) 50 (8 ms)
EN-214 90 - 264 / 1 - 3 Ø 20 A* 14 A 100 (5 ms) 3 Ø 40 (5 ms) 3 Ø
Eb-202
90 - 264 / 1 Ø 47 - 63
4.3
140 (5 ms)
20 (2 ms)
Eb-203 6.5
Eb-205 10.8 30 (2ms)
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