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T ECHN I CAL DATA
C I RCU I T P ROT ECT I ON
183
STARBREAKER CONSUMER UNIT APPLICATIONS
l
MAIN SWITCH
l
This type of unit allows for the use of both MCBs & RCBOs throughout.
MAIN SWITCH
l
N L
N
N
MAINSWITCH
SPLIT LOAD
l
A familiar arrangement allows the use of MCBs & RCBOs immediately
following the Main Switch and MCBs following the Split Load RCCB.
N
N L
N
N
MAINSWITCH
N
N
SPLIT
LOAD
RCCB
HIGH INTEGRITY
l
A modern pattern which sees MCBs used between two RCCBs but retaining
provision for a small number of independent MCB or RCBO circuits following
the Main Switch.
N
N L
N
MAINSWITCH
L
N
N
L N
N
RCCB
N
N
SPLIT
LOAD
RCCB
DUAL RCD
l
This unit utilizes MCBs throughout divided between two RCCBs. Circuit
independance or separate electrical protection cannot be achieved here.
N
N L
N
MAINSWITCH
L
N
L N
N
RCCB
N
N
SPLIT
LOAD
RCCB
TWO BANK
l
Two bank consumer units provide the facility to offer a wide range of
configurations for applications which demand increased numbers of circuits.
Continuity of supply between top and bottom banks (where required) can be
achieved by utilizing the Main Switch with the additional terminal (
100/2MT
)
N
N L
L
MAINSWITCH
N
N L
N
N
N L
L
MAINSWITCH
N
L N
N
RCCB
N
N
N L
L
MAINSWITCH
L N
N
RCCB
N
N
SPLIT
LOAD
RCCB
SPLIT LOAD
l
DUAL RCCB
l