2.1.5 Electrical Installation

2.1.5.1 Power Connections

Warning: Do not connect ac power to your meter until you have completed all output connections. This meter must only be installed by a specially trained electrician with corresponding qualifications. Failure to follow all instructions and warnings may result in injury!

Connect the main power connections as shown below.

Use copper conductors only for power connections

Figure 2.7 Main Power Connections Table 2.3 Fuse Requirement (See Specifications Section)

FUSE

Connector

Output Type

For 115Vac

For 230Vac

DC

FUSE 1

Power

N/A

100 mA(T)

100 mA(T)

100 mA(T)

FUSE 2

Power

N/A

N/A

N/A

400 mA(T)

For the low voltage power option, in order to maintain the same degree of protection as the standard high voltage input power units (90 - 240 Vac), always use a Safety Agency Approved DC or AC source with the same Overvoltage Category and pollution degree as the standard AC unit (90 - 240 Vac).

The Safety European Standard EN61010-1 for measurement, control, and laboratory equipment requires that fuses must be specified based on IEC127. This standard specifies for a Time-lag fuse, the letter code “T”. The above recommended fuses are of the type IEC127-2-sheet III. Be aware that there are significant differences between the requirements listed in the UL 248-14/CSA 248.14 and the IEC 127 fuse standards. As a result, no single fuse can carry all approval listings. A 1.0 Amp IEC fuse is approximately equivalent to a 1.4 Amp UL/CSA fuse. It is advised to consult the manufacturer’s data sheets for a cross-reference.

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Omega Speaker Systems wi Series manual Electrical Installation Power Connections

wi Series specifications

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