SMB350 User’s Manual
Page 4
Safety Precautions
Please read these safety instructions before using this equipment.
For safety purposes, please observe the following when unwrapping and installing the
package
：
1. When opening the package, check that the contents have not been damaged during
transit.
2. Check to make sure that the product model and the labeling on the outside of the
packaging are consistent.
3. This product is designed and suitable for most electrical power panels.
4. Do not install this product at the openings of ventilation ducts or near heat sources.
5. Make sure that the actual wiring conforms to the wiring diagram designated in this
manual.
6. Guard against dust and water damage.
7. Make sure all power sources to be connected to the product have been shut off
before installing.
8. If the equipment is used in a manner not specified by manufacturer, the protection
provided by the equipment may be impaired.
This symbol means double insulation.
This symbol means to beware of electric shock, turn off all adjacent
sources of high voltage during installation.
This symbol means there is risk of danger.
The SMB350 is a sensitive electrical equipment, care should be taken so that the
maximum benefit and performance can be derived from the device.
Before cleaning or performing any maintenance on the SMB350, disconnect the
device from its auxiliary power source. The input voltage and current should be either
turned off or disconnected.
