Specifications

Power-Zone
®
4
97
11/2005
© 2005 Schneider Electric All Rights Reserved
A
accessory terminals 17
application
circuit breaker
7–8
seismic
8
voltage systems
9
applications
high altitude
68
seismic
68
arc chutes
27
Arc Flash
34
automatic transfer
systems
67
auxiliary
connection wiring
18
sections
21
switches
28
auxiliary instrument
compartment
circuit monitor display
21
control components
21
control power
transformers
21
meters
21
potential
transformers
21
relays
21
B
bus compartment
current transformers
20
ground bus
20
horizontal cross bus
20
main bus
20
neutral bus
20
neutral ground
sensor
20
vertical bus risers
20
C
cable compartment
barriers
19
cable installation
19
cable lugs
19
cable terminations
19
copper load bars
19
load bars
19
mechanical lugs
19
mounting holes
19
terminal connections
19
capability
circuit breaker
24
cell keying
28
charge/discharge
indicator
27
circuit breaker
accessories
28
arc chute chamber
27
arc chutes
27
automatic transfer
systems
67
capability
24
features and benefits
6, 22
inspection
27
key interlocking
28,
41
operation
26
parts
25
ratings
8, 38–40
standards
8
transformer ratings
54
two-step stored
energy
mechanism
27
types
24
circuit breaker
compartment
control and
communication
s wiring
18
cradle
23
four-position racking
26
horizontal wireway
23
vertical wireway
23
circuit monitor display
21, 33
conduit entrance
control conduits
17
dimensions
76–82
top plate
17
contact wear indicator
27
control and
communications
wiring
conduit entrances
17
electrical accessories
18
features and benefits
17
horizontal wireway
17
terminal blocks
18
top plate
17
vertical wireway
17
control components
21
control power
transformers
21
control wiring
18
copper load bars
19
cradle
23
current transformers
20
curves, trip unit
43–51
D
Delta systems
grounded
61
high resistance
grounding
66
ungrounded
61
diagrams
alarm and cradle
contacts
70
power, trip unit, and
remote
operation
72
dimensions
bottom conduit,
auxiliary
76–
78
bottom conduit, main-
tie-feeder
79–
82
front elevation, 3 bay
representation
89
front elevation, 5 bay
representation
88
front elevation,
auxiliary
83,
86
front elevation, feeder
84–86
front elevation, main
and tie
83–84,
86
top conduit, auxiliary
76–78
top conduit, main-tie-
feeder
79–82
E
enclosures
NEMA type 1
15
NEMA type 3R
16
F
four-position racking 26
front compartment
13
front elevation
dimensions
83,
86–89
function
Micrologic
8
Powerlogic
8
through-the-door
7
G
ground bus 20
ground fault
modified differential
64
protection
61–62
sensing
63
H
horizontal cross bus 20
horizontal wireway
17
K
key interlocking 28, 41
key locks
21, 28
L
lifter bar 22
load bars
19
lugs
cable
19
mechanical
19
M
main bus 20
Masterpact® NW circuit
breakers, see
circuit breaker
mechanical lugs
19
metering
8
Micrologic® trip units, see
trip units
N
NEMA enclosures
type 1
15
type 3R
16
neutral bus
20
neutral ground sensor
20
O
open/close indicator 27
opening and closing coils
28
operations counter
27
P
padlocks 21, 28
Powerlogic
8
POWERLOGIC® system
data communications
32
features and benefits
31
system
communication
s
32
system management
31
see also trip units
Powerlogic® system
circuit monitor display
21, 33
circuit monitors
33
Power-Zone® 4
switchgear, see
switchgear
R
ratings
circuit breaker
8, 38–
40
switchgear
8, 38
transformer
54
trip units
41
rear cable compartment,
see cable
compartment
S
secondary
disconnecting
contacts
18,
27
disconnecting
terminals
18
terminal block
18
sensor plug
28
shunt trip unit
28
shutters
28
specifications, suggested
92–95
spring charging motor
27–28
standards
circuit breaker
8
switchgear
8
switchgear
accessories
28
auxiliary instrument
compartment
21
auxiliary sections
21
bus compartment
20
cable compartment
19
control and
communication
s wiring
17
features and benefits
6
four-position racking
26
front compartment
13
moving and handling
options
21
ratings
8, 38
specifications,
suggested
92–
95
standards
8
structure
13