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66309B-120DC power supply 104-127VAC operation, 50/60Hz 
66309B-220DC power supply 191-233VAC operation, 50/60Hz 
66309B-230DC power supply 209-254VAC operation, 50/60Hz 
66309B-521Add solid state output disconnect relays 
66309B-004High mode default setting 
66309B-8ZJRemoves feet for use in a racked system 
66309B-A6JANSI Z540-1-1994 Calibration 
66309B-UK6Commercial calibration certificate with test data 
66309B-1CMRackmount Kit with blank filler panel 
66309B-AXSRackmount Kit for side by side mounting 
66309B-0072 Extra 5-pin output connectors 

Services and Software Licenses Services

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KeysightCare is available for this product. Learn More

R-51B-001-ZReturn to Keysight Warranty - 3 years. 
R-51B-001-5ZExtended Warranty - Return to Keysight - 5 years 
R-50C-011-3Calibration Plan - Return to Keysight - 3 years 
R-50C-011-5Calibration Plan - Return to Keysight - 5 years 
R-50C-011-MU-3Keysight Calibration + Uncertainties - 3 years 
R-50C-011-MU-5Keysight Calibration + Uncertainties - 5 years 
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