4. General overview
The SafeGear
®
Controller is a magnetically actuated and latched controller
capable of a very high number of operations due to its robust design.
Controller’s ratings are 400 A and 720 A and NEMA Class E2. It conforms
to latest international standards such as UL 347, ICS3 part 2.
Controller Features
· Fuse status indicator
· Position indicator
· Operation counter
· Controller status
· Local trip on the front side
· Blown Fuse Mechanism
· Extraction truck
5. Normal Service Conditions
Normal operation conditions
Minimum ambient temperature -5°C
Maximum ambient temperature 40°C
Maximum 24 hours ambient relative humidity 85% Non-condensing
Normal operational altitude above sea level 1000m
Normal non-corrosive and non-contaminated atmosphere
Table 2
If the contactor is to be used in conditions other than those specied above, please consult the factory.
Controller Weight Approximate
Controller 400 A 720 A
Maximum Weight approximate - lbs (kg) 375 (170) 750 (240)
Table 3
The table shows approximated values for controller weight with 500VA CPT.
Storage
Place the equipment on the shipping base. Store all equipment indoors in a well-ventilated area. The location where the contactor is to be installed should be free
from dust, corrosive gas and moisture. When it is to be used in a chemical plant or in outdoor applications, take necessary precautions against corrosion, water
seepage and condensation.
The storage building should have a well-drained paved oor. The temperature should be between 23°F (-5°C) and 104°F (40°C). The air should be dry (50%
maximum humidity).
Fig. 1 SafeGear
®
MCC Controller
SafeGear
®
Motor Control Center Controller Installation, Operation and Maintenance Manual 4