Caution
1. Be sure to tighten the terminal screws to the torque specified in the instruction manual.
2. Do not install in areas subject to high temperature, high humidity, dust, corrosive gas, vibrations, and
shocks. To do so may result in malfunction or fire.
3. To get ACB tripped automatically, always clear the source of the malfunction before closing the ACB
again. Failure to do so may result in fire.
4.Terminal screws should be checked and tightened periodically. Failure to do so may result in fire.
5. Use the ACB in 50/60Hz. Failure to do so may result in malfunction or fire.
■ HAZARD OF BODILY INJURY OR EQUIPMENT DAMAGE
1. Only qualified electrical workers with training and experience on high voltage circuits should
perform work described in this set of instructions. These workers must understand the hazards
involved in working with or near high voltage equipment. Such work should be performed only after
reading this complete set of instructions.
2. The successful operation of Susol ACBs depends upon proper handling, installation, operation, and
maintenance. Neglecting fundamental installation and maintenance requirements may lead to
personal injury as well as damage to electrical equipment or other property.
3. Susol ACBs have features designed to prevent unsafe operation, but it is not possible to eliminate
every hazard with these features. Therefore, the person using this device is responsible for
recognizing the potential hazards, for wearing protective safety equipment, and for taking adequate
safety precautions.
4. Do not make any adjustment to the equipment or operate the system with safety features removed.
Contact your local LSIS representative for additional instructions if the Susol ACB does not function
as described in this manual.
5. Before performing visual inspections, tests, or maintenance on this device, disconnect all sources of
electric power. Assume that all circuits are live until they have been completely de-energized, tested,
grounded, and connected. Pay particular attention to the design of the power system. Consider all
sources of power, including the possibility of back feeding.
6. Before replacing covers or closing doors, carefully inspect the bus work area for tools and objects left
inside the equipment. Use care while removing or installing panels so that they do not extend into
energized bus.
7. Before making any electrical connection, take every precaution to see that all connections are de-
energized and grounded.
8. Introducing foreign objects into this equipment can cause a short circuit which can result in severe
damage, personal injury, or death. Short circuits can release large amounts of energy due to a rapid
expansion of super-heated, ionized gases. Products of this instantaneous expansion can quickly
engulf and burn personnel before preventive action can be taken. The short circuit source can cause
additional injuries by propelling personnel or objects several feet from the equipment. Some foreign
objects that can cause short circuits are tools, test leads and instruments not designed for high
voltage circuits, wire, and other conducting or semi conducting materials. Workers must also be
careful to keep clothing and body parts out of the equipment. Failure to observe these precautions
could result in severe personal injury, death, or equipment
Danger
4. 온도 센서
2. Caution
4. 온도 센서
3. Danger
A. Safety Precaution
3
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