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コントロールユニット Siemens 3AHのPDF 取扱説明書をオンラインで閲覧またはダウンロードできます。Siemens 3AH 38 ページ。 Vacuum circuit breaker operator module
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Siemens 3AH 取扱説明書

Vacuum Interrupter/Operator Description

Introduction

The Type 3AH vacu u m circuit breaker operator is intended
for application in a d rawout truck for use in medium voltage
metal-clad switchgear. The 3AH circuit breaker conforms
to the requirements of ANSI Standards, including C37.20.2,
C37.04, C37.06, C37.09 and C37.010.
The circuit breaker consist of three vacuum interrupters, a
stored energy operating mechanism, necessary electrical
control s and interlock devices, disconnect devices to
Pole Head ---- --,
Upper Camectbn Pad
Lov.er Connectbn Pad
Pole
Figure 2. Vacuum Circuit Breaker Module
connect the circuit breaker to both primary and control
power and an operator housing. In a typical installation in
a drawout truck, insulating barriers a re located between the
vacuum interrupters and along the sides.
This section describes the operation of each major subas­
sembly as an aid in the operation, instal lation, maintenance
and repair of the circuit breaker.
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