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Chapter 4 — Power supplies
Introduction
Features
Dimensions and weight
Power Supply features
Voltage
This chapter describes the Meridian 1 Option 11C Compact NTMW11AC
Power Supply unit and the operation of the Power Fail Transfer Unit (PFTU).
The NTMW11 Power Supply measure approximately 12.5 in. (305 mm)
high, 5 in. (127 mm) wide and 10 in. (245 mm) deep, and weighs
approximately 12 lb (5.5 kg).
The NTMW11 Power Supply has the following features:
•
A current limiting circuit which limits the surge of current on the input
line when the system is first switched on.
•
Generation of a system line transfer signal.
•
Differential mode and common mode EMI filtering of input.
The NTMW11 Power Supply provides +5.1, +8.5, +15, -15V, -150V, -52V
and filtered -48V.
There is a 1.0 second start-up delay on the +5V rail.
Meridian 1 Option 11C Compact
Page 39 of 136
Technical Reference Guide
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