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2 - General Information
20
Safety Considerations
This electronic load is a Safety Class 1 instrument, which means it has a protective earth terminal. That terminal
must be connected to earth ground through power source equipped with a ground receptacle. Refer to the Safety
Summary page at the beginning of this guide for general safety information. Before installation or operation,
check the electronic load and review this guide for safety warnings and instructions. Safety warnings for
specific procedures are located at appropriate places in the Guide.
Options and Accessories
Table 2-1 Options
Option Description
800 One rack mount kit for two N3301A half-rack units side by side*.
Consists of: Lock-link kit (p/n 5061-9694) and Flange kit (p/n 5062-9215)
908 One rack mount kit*.
Consists of: Flange kit for N3300A (order 2 p/n 5063-9212)
Flange kit for N3301A (p/n 5062-3960)
909 One rack mount kit with handles for N3300A* (order 2 p/n 5063-9219).
UJ1 8mm input screw terminal connectors (see chapters 2 and 3)
*Support rails (p/n E3663AC) are required.
Table 2-2 Accessories
GPIB cables
1.0 meter (3.3 ft)
2.0 meters (6.6 ft)
4.0 meters (13.2 ft)
0.5 meters (1.6 ft)
Agilent Part Number
10833A
10833B
10833C
10833D
RS-232 cable
(9-pin F to 9-pin F, 2.5 meter, null modem/printer cable with one
9-pin M to 25 pin F adapter)
34398A
RS-232 adapter kit (contains 4 adapters)
9-pin M to 25-pin M for pc or printer
9-pin M to 25-pin M for pc or printer
9-pin M to 25-pin M for modem
9-pin M to 9-pin M for modem
34399A
Description
The N3300A is a DC Electronic Load Mainframe used for design, manufacturing, and evaluation of dc power
supplies, batteries, and power components. Other applications include use as a power circuit breaker or crowbar,
high current function or pulse generator, fuel-cell and photovoltaic cell test, and de-energizing superconducting
magnets.
The mainframe contains six slots for load modules. Load modules occupy either 1 or 2 slots depending on the
power rating of the module. The mainframe can dissipate up to 300 watts per slot, to a total of 1800 watts for a
fully loaded mainframe. Each individual module has its own channel number and contains its own input
connector. The mainframe contains a processor, GPIB connector, RS-232 connector and interface circuits,
trigger circuits, front-panel keypad and display, and other circuits common to all the load modules.