Description; Features - GE Power Break II Installation Instructions Manual

Description

Types SSD and SHD Power Break II draw-out circuit
breakers are used in types SPS and SPH substructures,
with appropriate catalog numbers
Draw·out construction permits
feeder, allows rapid replacement of a circuit breaker,
and facilitates inspection and maintenance
draw-out breaker with
entire switch board.
Draw-Out Breaker
SSD08X2##
SHD08X2##
SSD16X2##
SHD16X2##
SSD20X220
SHD20X220
SSD25X###
SHD25X###
SSD30X3##
SHD30X3##
SSD40X4##
SHD40X4##
Note: In the b reaker catalog number. replace
for MicroVersaTrip Plusm or MicroVersaTrip PM™ Trip
Units or with "D" for Power+TM Trip Units
1.
Table Catalog numbers of draw-out breakers and corresponding
substructures.

Features

The features described below are illustrated in Figures
1,2,and 3.
Primary Disconnects. Primary
multiple-finger primary
breaker is in the connected position.
Secondary Disconnects.
through the secondary disconnects in the test and
connected positions only. All accessories terminate at
dedicated positions regardless of the combination of
accessories installed.
Rollers. The rollers on the sides of the breaker ride on
retractable rails in the draw.aut substructure for easy
installation and removal.
Draw-Out Mechanism. A racking
trally mounted screw through a chain drive into a
fixed nut in the substructure. A special speed wrench i s
supplied with an integral 1;'2-inch square-drive socket
to aid in installation and removal.
listed in Table
activation of a n e w
of the
no need to de-energize
Substructure
SPSDOSOB
SPHDOS08
SPSDOS16
SPHDOS16
SPSDOS20
SPHDOS20
SPSDOS25
SPHDOS25
SPSDOS30
SPHDOS30
SPSDOS40
SPHDOS40
"X"
with
"
power is fed through
disconnects
when
Control power is provided
shaft powers a cen­
Power Break® II Circuit Breakers
1.
the
R
Disconnects
1.
Figure Rear view of the Power Break® II draw-out circuit breaker.
B
"
Draw-Out Padlock
Accessory
the
Cat. No. TDOPC
2
Figure Left side of the breaker, showing the padlock accessory and
f
Racking Sha t
prevents engagement of the wrench when the breaker
contacts are closed.
Draw-Out Position Switch. This switch is wired back into
the breaker
trip unit.
Units can communicate the breaker position (test or
connected)
Communication Network.
Draw-Out Breaker Installation
Inte rlo ck
Me cha nis m
racking shaft lockout plate.
Wrench Lockout P late.
MicroVersaTrip
on the POWER
This interlock
PMn1 Trip
LEADERn1