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Hazardous Area
Thermo Fisher Scientific
No other connection may be made to this terminal.
Figure 5–1. MAINS IN terminal (safe area system)
Power is connected directly to terminals in the flameproof enclosure
Systems
(which contains the power isolation device). The entry port in this
box is M25 (an adapter to 3/4" NPT is also supplied).
Warning! The cable / conduit entry gland used must be Exd
certified in order to maintain the flameproof integrity of the
enclosure. Incoming cables must be rated for >80˚C.
Live (hot) and neutral conductors are to be connected to the MAINS
IN terminals labelled 1 and 2 respectively. The earth conductor
MUST be attached to the internal or external Primary Earth,
identified by the symbol:
No other connection may be made to these terminals.
Mains IN
Figure 5–2. MAINS IN terminal (hazardous area systems)
.
Primary Earth (internal)
Prima PRO & Sentinel PRO Mass Spectrometers User Guide
Installation & Interconnection
Cable Connections
Signal
connections
5-3
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