Racal Instruments 1266, Manual

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1266 Product Specifications A-5 Appendix A
Power Input
Cooling Specifications
This section lists 1266 mainframe cooling specifications, including:
•
Cooling Table
•
Cooling Chart
-24V –1.20V / +0.72V 150mV 150mV
-5.2V –0.26V / +0.156V 50mV 50mV
-2V –0.10V / +0.10V 50mV 50mV
* Specifications apply at the backplane, 0 - 55
o
C.
Voltage Allowed Variation* Ripple/Noise DC Load* Induced Ripple/Noise*
Area Specification Comments
Input Voltage/
Frequency 90 Vac min - 140 Vac max
(47 Hz min - 440 Hz max)
90 Vac min - 264 Vac max
(47 Hz min - 66 Hz max)
Input Voltage 90 Vac to 264 Vac CAT II
280 VA max Automatic Ranging
Inrush Current < 75A @ 264 Vac
< 35A @ 132 Vac Cold start
Power Switch On/Standby
Chassis Ground Tap M4 x 0.7 threaded nut insert On rear of mainframe