Westinghouse DB-50 Instruction Book

<
TABLE
OF
CONTENTS
Page
Description
Port
I
—
Receiving
,
Handling
,
and
Storing
6
Inspection
.
Storing
.
.
6
Part
II
—
Installation
7
Connections
Part
III
—
Maintenance
10
Pole
Unit
Contacts
Maintenance
of
Contacts
Operating
Mechanism
Closing
Spring
Mechanism
*
Closing
Solenoid
Overcurxent
Tripping
Device
Installation
and
Removal
Construction
Time
-
Current
Classification
Operation
Time
Current
Characteristics
Adjustment
of
Calibration
Settings
Maintenance
Control
Relay
-
Shunt
Trip
Attachment
Undervoltage
Trip
Attachment
.
Undervoltage
Time
Delay
Attachment
Reverse
Current
Trip
Attachment
.
.
.
Field
Discharge
Switch
.
.
.
.
Auxiliary
Switch
Alarm
Switch
Attachment
Electric
Lockout
Attachment
Key
Lock
Attachment
Key
Interlock
Attachment
Rectifier
Unit
for
A
-
c
Undervoltage
and
A
-
c
Electric
Lockout
Attachments
10
10
10
i
10
10
11
13
15
15
17
17
19
21
21
22
23
24
24
24
24
28
28
28
28
29
i
2
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Westinghouse DB-50 Specifications

General

Brand	Westinghouse
Model	DB-50
Category	Circuit breakers
Language	English