Effective May 2010
2C14990H02
05/10 AWA1230-2460
Vertical adapters 800/1600A on fixed
IZM low voltage circuit breakers
warning
(1) Only qualified electrical persOnnel shOuld
be permitted tO wOrk On the equipment.
(2) always de-energize primary and
secOndary circuits if a circuit breaker
cannOt be remOved tO a safe wOrk lOcatiOn.
(3) all circuit breakers shOuld be switched
tO the Off pOsitiOn and mechanism springs
discharged.
failure tO fOllOw these steps fOr all
prOcedures described in this instructiOn
leaflet cOuld result in death, bOdily injury,
Or prOperty damage.
warning
the instructiOns cOntained in this awa and On
prOduct labels have tO be fOllOwed. Observe
the five safety rules:
– discOnnecting
– ensure that devices cannOt be
accidentally restarted
– verify isOlatiOn frOm the supply
– earthing and shOrt-circuiting
– cOvering Or prOviding barriers tO
adjacent live parts
discOnnect the equipment frOm the supply.
use Only authOrized spare parts in the repair
Of the equipment. the specified maintenance
intervals as well as the instructiOns fOr
repair and exchange must be strictly adhered
tO prevent injury tO persOnnel and damage tO
the switchbOard.
Section 1: General information
The vertical adapter bolts directly to the rear
primary terminal pads. This adapter will
not accommodate cable adapters, only bus
connections. A three-pole breaker will use a set
of six adapters (eight for four-pole). All required
mounting hardware is provided. Torque all bolts
to 37–43 ft-lbs (50–58 Nm).
Section 2: Installation of
vertical adapters
To install the vertical adapters, proceed with the
following two steps:
Step 1:
Assemble as shown with the hardware
provided. Assembly to a load conductor is
demonstrated.
Figure 1. Step 1
Load
Conductor
M10 x 45
Hex Bolt
Conical Spring
Washer
Flat Washer
Vertical Adapter
Flat Washer
M10 Hex Nut
