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Features and benefits
4
Breaker assembly view
5
Product overview
6
Draw-out cradle assembly view
7
Electronic trip units (ETUs)
8 - 14
ETU models and features
8
ETU
communication
10
ETU metering function
11
Alarm
parameters
12
Extended
relaying
12
Function overview of the ETU
13 - 14
Factory installed options
15 - 19
Ground fault module
15
Key
lock-out
15
Operation
counter
15
Auxiliary
contacts
15
Breaker status sensor (BSS)
15
Bell alarm contact and reset coil
16
Racking handle key lock
16
Breaker push-button locks
16
Close
coil
16
Spring charging handle lock
17
Rating
plugs
17
Ready-to-close
contact
17
Shunt trip
17
Shunt trip (continuous duty)
17
Status
contact
18
Spring charging motor
18
Undervoltage
release
18
Secondary
disconnect
19
Isolation
shutters
19
PROFIBUS or MODBUS communications
19
Dual key breaker locking
19
Cradle accessories and options
20
Arc chute cover
20
TOC (truck operated contacts)
20
MOC (mechanism operated contacts
20
Accessories
20 - 23
Communication power supplies
21
Handheld test device
21
Breaker display adapter (BDA)
21
Mechanical breaker interlocks
21
Metering current transformer – 3-phase window
22
Metering current transformer – single phase
22
Neutral current sensor – 4-wire residual
23
Breaker door cover
23
Door sealing frame
23
Breaker lifting device
23
Remote breaker racking device
23
Breaker
hoist
23
CubicleBus
modules
24
Digital input module
24
ZSI
module
24
Analog output module
24
Pre-assembled CubicleBus communication cables
24
Fixed-mounted breaker bus connectors
25
Primary lug connector kits
25
WL Catalog Numbering Overview
26
UL 489 Ratings
27 - 28
Ratings for UL 489
27
Ratings for UL 489 (non-automatic)
28
UL 489 assembled breaker catalog number
29 - 33
Interrupting rating, frame size, breaker type
and frame rating
29
Rating
plug
30
Electric trip unit
30
Bell alarm, ready-to-close contacts
31
Shunt
trip
31
Undervoltage
release
32
Charging motor, motor switch, operations counter
32
Close coil, power metering and communications
33
Breaker
locks
33
Miscellaneous
options
33
UL 489 assembled breaker catalog number
(non-automatic)
34 - 37
Breaking capacity, frame size, switch type
and frame rating
34
Ready-to-close auxiliary contacts
34
Shunt
trip
35
Undervoltage
release
35
Charging motor switch and operation counter
36
Close coil communications
36
Switch
locks
37
Miscellaneous
options
37
UL 489 accessories
38
External breaker accessories
38
UL 489 cradle catalog numbers
39 - 40
UL 489 cradle accessories
41
UL 1066 ratings
42 - 43
Ratings for UL 1066
42 - 43
Ratings for UL 1066 (non-automatic)
43
UL 1066 assembled breaker catalog number
44 - 48
Interrupting rating, frame size, breaker type and
frame
rating
44
Rating
plug
45
Electronic trip units
45
Bell alarm, auxiliary contacts
46
Shunt
trip
46
Undervoltage
release
47
Charging
motor
47
Close coil power metering and communications
48
Breaker
locks
48
Miscellaneous
options
48
WL Circuit Breaker
Table of Contents
Содержание ETU745
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