PLUG 4N0999 - Caterpillar

Grounding conductor for field wiring
Bonding point for internal bonding of equipment parts to ground
Caution. Refer to manual for more information.
Risk of electrical shock
Input
Output
Bypass input switch
DC current
Alternating current
Phase
Positive
Negative
Neutral
Caution - See service manual
No Service
Read service manual
Telecommunication connection
Not a connection - Not a connection for a telecommunication network.
High leakage current - Earth connection essential before connecting the supply.
Lithium battery - Danger of explosion if the battery is incorrectly replaced. Replace the battery with the same type of battery or replace the battery with an equivalent battery. Dispose of the batteries according to the manufactures instructions.
The heat sink or the bracket is not grounded. - Test before touching.
Safety extra low voltage connections only.
Wait for 5 minutes before disconnecting all power sources before removing any covers or panels.
Illustration 1 g00785184
Bypass Input
Illustration 2 g00785185
The system is designed for services that have a three wire grounded wire configuration.
Illustration 3 g00785207
The system is designed for services that have a delta configuration.
Illustration 4 g00785208
The system is designed for services that are impedance grounded.
Illustration 5 g00785210
The system is designed for with services that have a 4-wire grounded wire configuration.
Illustration 6 g00785212
The UPS receives power from multiple sources.
Illustration 7 g00785215
Maintenance bypass switch
Illustration 8 g02442538
Warning bypass switch shut off
Illustration 9 g00785216
Input isolation switch
Illustration 10 g00785218
Output isolation switch
Illustration 11 g02442139
MMU modules are connected in parallel. Voltage may be present at the output of this module when the input power has been removed.
Illustration 12 g02442496
MMU disconnect switch
Illustration 13 g02442560
MMU modules are connected in parallel. Deenergize input and output switches prior to servicing.
Illustration 14 g00785222
"On" symbol
Illustration 15 g00785223
"Off" symbol