Westinghouse DB-50 Instruction Book

:
I
LIST
OF
ILLUSTRATIONS
i
Poge
Figure
8
DB
-
50
Outline
Dimensions
and
Mounting
Details
Typical
Wiring
Diagrams
-
Type
DB
-
50
Circuit
Breaker
Cross
-
Sectional
View
of
Type
DB
-
50
Circuit
Breaker
Type
DB
-
50
Spring
Closing
Mechanism
Series
Overcurrent
Tripping
Device
with
Long
Delay
and
Instantaneous
Elements
Series
Overcurrent
Tripping
Device
Showing
the
Assembly
of
Calibration
Case
to
Magnetic
Circuit
Cross
-
Sectional
View
of
Series
Overcurrent
Tripping
Device
with
Long
Delay
and
Instantaneous
Elements
Tripping
Characteristics
of
Standard
Series
Overcurrent
Tripping
Device
with
Long
Delay
and
Instantaneous
Elements
.
Tripping
Characteristics
of
Selective
Series
Overcurrent
Tripping
Device
with
Long
Delay
and
Short
Delay
Elements
Tripping
Characteristics
of
Special
Series
Overcurrent
Tripping
Device
with
Instantaneous
Element
Only
Schematic
Diagram
of
Standard
Series
Overcurrent
Tripping
Device
with
Adjustable
Long
Delay
and
Adjustable
Instantaneous
Elements
.
.
,
Schematic
Diagram
of
Selective
Series
Overcurrent
Tripping
Device
with
Adjustable
Long
Delay
and
Adjustable
Short
Delay
Elements
Schematic
Diagram
of
Special
Series
Overcurrent
Tripping
Device
with
Instantaneous
Element
Only
Instantaneous
Pick
-
Up
Per
cent
of
Coil
Rating
vs
Scale
Settings
Obtained
by
means
of
Standard
Instantaneous
Adjusting
Knob
Closing
Solenoid
-
Construction
Details
Control
Relay
-
Adjustment
and
Construction
Details
Shunt
Trip
Attachment
-
Construction
Details
Undervoltage
Trip
Attachment
-
Construction
Details
Undervoltage
Time
Delay
Attachment
-
Construction
Details
Reverse
Current
Trip
Attachment
-
Construction
Details
Field
Discharge
Switch
-
Construction
Details
Auxiliary
Switch
-
Construction
Details
Alarm
Switch
Attachment
-
Construction
Details
Construction
Details
1
9
2
11
3
12
3
A
4
13
5
13
6
14
7
14
8
15
9
15
10
16
11
18
12
18
13
19
14
20
15
22
16
23
17
25
18
26
26
19
20
27
21
27
22
29
23
Electric
Lockout
Attachment
Key
Lock
or
Key
Interlock
Attachment
-
Construction
Details
Rectifier
Unit
for
A
-
c
Undervoltage
and
A
-
c
Electric
Lockout
Attachments
.
.
30
31
24
32
25
3
Courtesy of NationalSwitchgear.com

Westinghouse DB-50 Specifications

General

Brand	Westinghouse
Model	DB-50
Category	Circuit breakers
Language	English