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52120A
Users Manual
1-14
Output Terminals
There are two sets of output terminals on the Product. They are not referenced to ground.
Each of the four terminals can be connected to a signal source with a maximum voltage
of 850 V pk (600 V rms). Table 1-7 shows the maximum voltage and current that can be
safely applied to the output terminals.
Table 1-7. Maximum Voltage and Current on Output Terminals
Output Current
Terminal
Maximum Voltage
Input HI and LO
Maximum Current
Input HI to Lo
Maximum Voltage
HI or LO to Earth
2 A and 20 A
7 V pk
30 A pk
600 Vrms, 850 Vpk
120 A
7 V pk
170 A pk
600 Vrms, 850 Vpk
XW
Warning
To prevent possible electrical shock, fire, or personal injury:
•
Use extreme caution around the output terminals. Lethal
voltages may be present.
•
Make sure the Product is in standby mode and external
circuits are not energized before you connect or disconnect
cables between the Product and the circuit under test.
•
Do not turn on voltage circuits unless the cables between
the Product and circuit are connected or disconnected at
both ends of the cable.
•
Do not connect a connector or terminal, other than the
mains input connector to line power.
Product Connection Cables
Five signal cables are shipped with the Product. All are rated for 600 V. Two
interchangeable low current cables, with 4 mm plugs, are used on the Product inputs or
on the 2A or 20A outputs. Three heavy-duty cables, with 6 mm plugs, are used only on
the 120A outputs. The short black cable loops Hi and Lo output terminals for clamp
meter tests to a maximum of 120 A. The long red and black cables connect the high
current outputs of the Product to the load.
To prevent an accidental disconnect, the heavy-duty cables have snap-in connectors. To
operate the snap-in feature, push the connector in to the socket until the rubber insulation
touches the Product and you hear a soft click. This locks the connector in the socket. To
remove the connector, push in fully, then remove it. To bypass the snap-in mechanism,
push the connector fully in to the socket. It is not necessary to push in on the connector to
remove it when the snap-in mechanism is bypassed.
XW
Warning
To prevent electrical shock or personal injury, use only cables
supplied with the Product to connect the output current
terminals to the load. Before you touch an exposed connector,
make sure external voltage is isolated.
Summary of Contents for 52120A
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