Elecraft KPA500 Fuse Installation User Manual download pdf

Installation

IMPORTANT: Provide at least 2 inches (5 cm) clearance behind the fan and above the amplifier for

proper air flow.

The following text uses braces to refer to numbered elements in the front- and rear-panel illustrations below. For

example, {1} refers to

, the RF OUTPUT connector.

Figure 1. KPA 500 Rear Panel

Mains Voltage Settings

Your KPA500 is supplied with the power cable you ordered; either one using the 115VAC connector common

in the USA or one with the common European (Schuko) plug for 200 VAC.

CAUTION!

Do not connect mains power to your KPA500 or attempt to turn it on before

setting the fuse block switch and internal jumpers to match your supply

voltage as described below; otherwise you may do extensive damage to your

amplifier.

 Check to ensure the fuse block {4} is set for either 115 VAC or 230 VAC to match your mains voltage.

The current voltage setting is shown in the red window. If needed, change the fuse block setting as

follows:

 Position the rocker switch in the (O) position and disconnect the mains cord (if connected). Then

open the door covering the fuse block and then carefully pry the red fuse block out of the holder as

shown below:

1 2

Installation IMPORTANT: Provide at least 2 inches (5 cm) clearance behind the fan and above the amplifier for proper air f

Page 2

 Install the proper fuses in the block. Use 12A fuses for 115V and 6A fuses for 230V. Use normal (fast-blow) size 3AG fus

No comments

Elecraft KPA500 Fuse Installation User Manual