MKS HPQ3, Hardware Manual

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MKS Instruments UK Ltd
HPQ3 Hardware Manual – SP101019.101 October 2012
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1.2 Electrical
Power Supply
100 to 120, 200 to 240 VAC rms 47- 63Hz @ 2.1A rms
Installation category (over voltage category) II to IEC664
Fuses Internal, not user replaceable
Insulation Class I to IEC536
1.3 Environmental
Temperature range
0 to 40
0
C, 80%RH non-condensing, operating and storage
Pollution degree 2 to EN61010
Enclosure IP20 to EN60529
1.4 Safety
IP20 to EN60529
The protective earth conductor of the power cord must be connected to the power source
protective earth terminal.
There are no operator replaceable parts within the 24VDC power supply unit or the HPQ3 unit.
1.5 Connectors
The connectors for external circuits are for use only with MKS equipment, or equipment which has
no accessible hazardous live parts.
The external circuits must comply with the requirements of EN61010-1 section 6.6.1.
Ports for connection of accessories do not carry hazardous potentials.
Do not position the 24VDC power supply so that it is difficult to unplug the supply power cord.
Installation Category II comprises mains powered, local level appliances.