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MODEL 853 FIVE-OUTPUT INSTRUMENTATION POWER SUPPLY

Description

The Model 853 is a five-output linear regulated power supply for applications requiring low ripple and noise. Heatsinks on the rear of the supply provide adequate convection cooling for operation without fans.

Specifications

Input: 105 to 125 VAC 47-440Hz, 3ARMS at full load

Outputs:	5VDC	0 to 1ADC
	±15VDC	0 to 1ADC each
	26VDC	0 to 3ADC
	-24VDC	0 to 0.2ADC

All four supply commons are isolated from each other

Adjustment range:	5VDC	±0.5V
	±15VDC	±1V
	26VDC	±1V
	-24VDC	±1V

Regulation: ±0.15% max over line and load variations

Ripple: 3mVRMS max.

Remote sensing: ±15V outputs only

Overvoltage clamp:	5VDC	6-6.5V
	±15VDC	±18-±19V
	26VDC	29-30V
	-24VDC	27-28V

Overload: Regulation stages have electronic current limiting which activates at between 120% and 150%
of rated output, with current foldback to approximately 50% of rating

Protection: Input power fuse, 5A slow blow

Power monitor: Normally-open relay contacts close when all outputs are present

Auctioneering: When two Model 853 supplies are sourcing a common load in parallel, the unit set for the highest DC output voltage will supply the total
load current

Front panel adjustments: One trimpot per output adjusts output over specified range

Front panel meter: Switch-selectable 0-3A analog ammeter for all outputs

Front panel indicators: One red LED per output indicates supply is operating

Connections: Rear panel MS3102A-20-29P connector for input power, output power, remote sensing connections, and power monitor relay contact

Mechanical: Standard rack mounting 19"W x 5.25"H
x 13"D

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