Westinghouse DB-75 User Manual

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v
’
i
TABLE
OF
CONTENTS
RECEIVING
,
HANDLING
AND
STORING
Page
7
Part
One
7
Inspection
Storing
.
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7
INSTALLATION
Pages
8
-
11
Past
Two
8
Connections
Enclosures
.
.
8
MAINTENANCE
Pages
12
-
24
Part
Three
14
Pole
Unit
Contacts
Maintenance
of
Contacts
.
Operating
Mechanism
Closing
Solenoid
.
Overcurrent
Tripping
Device
Description
.
Construction
Installation
and Removal
Adjustment
of
Trip
Screw
Operation
Standard
Overcurrent
Tripping
Device
Selective
Overcurrent
Tripping
Device
Instantaneous
Overcurrent
Tripping
Device
(
Single
Element
)
Time
-
Current
Characteristics
Calibration
^
Maintenance
X
Control
Relay
Inspection
Maintenance
Shunt
Trip
Attachment
Inspection
Maintenance
Undervoltage
Trip
Attachment
Undervoltage
Time
Delay
Attachment
Inspection
Maintenance
.
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.
.
Auxiliary
Switch
Inspection
Maintenance
14
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17
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18
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18
18
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19
20
20
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24
24
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24
24
26
26
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Courtesy of NationalSwitchgear.com

Westinghouse DB-75 Specifications

General

Brand	Westinghouse
Model	DB-75
Category	Circuit breakers
Language	English