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General Information 12
Safety Considerations
This power supply is a Safety Class 1 instrument, which means it has a protective earth terminal. That terminal must be
connected to earth ground through a power source equipped with a 3-wire ground receptacle. Refer to the Safety Summary
page at the beginning of this guide for general safety information. Before installation or operation, check the power supply
and review this guide for safety warnings and instructions. Safety warnings for specific procedures are located at
appropriate places in the guide. warning
Instrument Identification
The power supply is identified by a unique serial number that provides the following information:
US = The letter indicates the country of manufacture, where US = USA; MY = Malaysia.
33430177 = The first four digits indicate the year and week of manufacture or last significant design change. Add 1960 to
the first two digits to determine the year. For example, 32=1992, 33=1993, etc. The third and forth digits
specify the week of the year (43 = the 43rd week). The last four digits is the number assigned to each unit.
Options
Option Description Used with Agilent Series
664xA 665xA 667xA 668xA 669xA
100
Input power 87-106 Vac, with power cord x x
120
Input power 104-127 Vac, with power cord x x
220
Input power 191-233 Vac, with power cord x x
240
Input power 209-250 Vac, with power cord x x
200
Input power 174-220 Vac, without power cord x
230
Input power 191-250 Vac, without power cord x
208
Input power 180-235 Vac, 3-phase, without power cord x x
400
Input power 360-440 Vac, 3-phase, without power cord x x
601
Output connector kit required for bench applications x x
602
Bus bar spacers for paralleling power supplies x x
831
Power cord, 12 AWG, UL listed, CSA certified, without plug x
832
Power cord, 4mm
2
, harmonized, without plug x
834
Power cord, 10 AWG, UL listed, CSA certified, without plug x
842
Power cord, 4mm
2
, harmonized, with IEC309 32A/220V plug x
843
Power cord, 12 AWG, UL listed, CSA certified, with JIS
C8303 25A/250V plug
x
844
Power cord, 10 AWG, UL listed, CSA certified, with NEMA
L6-30P-30A/250V locking plug
x
861
Power cord, 10 AWG, 4-wire, 300V, 25A, 90°C, UL listed,
CSA certified, without plug
x
Power cord, 8 AWG, 4-wire, 300 V, 35A, 90°C, UL listed,
CSA certified, without plug
x
862
Power cord, 2.5mm
2
, 4-wire, 450V, 20A, 70°C, harmonized,
without plug
x x