2.2. Safety Information
Before installation:
Read this manual completely and gather all information available on the product. Make sure it is fully understood.
Check that your application does not exceed the safe operating specifications for the product.
SAFETY DURING INSTALLATION
The product must be installed and operated by qualified service personnel and installed into an
apparatus cabinet or similar, where access is restricted to service personnel only.
During installation, ensure a protective earthing conductor is first connected to the protective
earthing terminal (only valid for metallic housings). Westermo recommends a cross-sectional
area of at least 4 mm
2
.
Upon removal of the product, ensure that the protective earthing conductor is disconnected
last.
HAZARDOUS VOLTAGE
Do not open an energised product. Hazardous voltage may occur when connected to a power
supply.
PROTECTIVE FUSE
The power supply wiring must be sufficiently fused.
It must be possible to disconnect manually from the power supply. Ensure compliance to
national installation regulations.
This product has no internal fuse and should be connected via an external fuse for protection.
POWER SUPPLY CONNECTION
There are safety regulations governing the power source that can be used in conjunction with
the product. Refer to chapter Interface Specifications.
REDUCE THE RISK OF FIRE
To reduce the risk of fire, use only telecommunication line cords with a cable diameter of
AWG 26 or larger. Regarding power cable dimensions, see chapter Interface Specifications.
Merlin 4400 Series
5
