BK Precision 9115-AT User Manual download pdf (Page 21)

Connection of this power supply to an AC power

source should be made by a qualified electrician or

other qualified personnel. Incorrect wiring may

damage the power supply or cause a fire hazard

Fuse Requirements

An AC input fuse is necessary when powering the instrument. Refer to the table below for the

fuse requirements.

Model

Fuse Description

All Models

15AT / 250V (6 x 32 mm slow blow ceramic tube fuse)

Table 2.1 – AC Input Fuse Table

Fuse Replacement

Follow the steps below to replace or check the fuse.

1. Locate the fuse box in the rear panel, next to the AC input receptacle.

2. Use a flat blade screwdriver and turn the fuse capsule counter-clockwise. There is an

internal spring that will push it out after turning a few times.

3. Pull out the glass tube fuse inside to check and replace as necessary.

4. Insert the fuse capsule in the same location and use the flat blade screwdriver to turn

clockwise.

5. The fuse capsule will now be locked and secured.

2.2 Output Connections

The main DC output terminal is a screw type terminal located in the rear panel. Figure 9 below

illustrates the size and dimensions of the terminal. To loosen, use hex key #4 size screwdriver.

Note: The screws on the terminals can be completely removed to allow for ring type adapters

(must be greater than 6mm in diameter).

Before connecting wires to the output terminals, turn OFF the power

supply to avoid damage to the instrument and the device under test

(DUT). For safety, load wires must have a wire gauge size large enough

to prevent overheating when the power supply operates at maximum

short circuit output current. It will also prevent large voltage drops

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BK Precision 9115-AT User Manual Page 21