Mge-ups-systems S3 Manual do Utilizador descarregar pdf (Página 21)

Three alarm relays are provided. 1) UTILITY FAILURE, 2)

MINOR alarm, 3) MAJOR alarm. All relays are identical,

however the UTILITY and MINOR relays are wired as a

SPDT units, whereas the MAJOR alarm relay is a DPDT unit.

Relays are energized under normal operating condition. De-

energizing of the relays results in an ALARM signal as shown

in ﬁgure 1-2. Relay contact rating is 2 amperes maximum for

120/240VAC, 25 to 125VDC with a switched load of 50 Watts.

Connection diagram is clearly labeled on the rear panel for

these alarm relays. See Figure 1-2.

Figure : Remote Alarm Connection Diagram

1- 2

1.6.3 Remote Alarm

Indication

86-153061-00 1 — 9Introduction

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Mge-ups-systems S3 Manual do Utilizador Página 21