CIRCUTOR QNA500 series - Manual (Page 21)

POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual 21 / 111
5.8.- CONNECTING POWER SUPPLY
The MULTIFIT system is powered with the M-BASE module. This power supply also powers all other
interconnected modules.
M-BASE power supply is powered with a connector with three terminals for power supply and
grounding purposes.
The equipment must be connected to a power circuit protected with gl-type
fuses, in compliance with IEC 269, or M-type, from 0.5 to 1A / 600 V (UL listed).
It must be fitted with a circuit breaker switch or equivalent device, in order to
be able to disconnect the device from the power supply. The power circuit and
voltage measurement circuits are connected with a cable with a minimum
cross-section of 1 mm
2 . (AWG 17). The current transformer's secondary
connection line must have a minimum cross-section of 2mm 2 . (AWG 14) and
withstand a minimum of 60ºC.