300-301 / 319
26
Board Arrangements
(all with 100A main switch)
References
Total Ways Benefits / Considerations
Main Switch with RCBO’s On All Circuits
1 x 100A switch, 4 to 20 outgoing ways
VC110
VC110G
VC114
VC114G
VC116
VC116G
For other types see page 1.2 of
the Hager General Catalogue
4 to 20
Selecting RCBO’s for every outgoing
circuit meets all regulations
Split Load Twin RCCB plus Dedicated RCBO
(6A RCBO for Smoke detector / Alarm circuit)
2 x 63A RCCB, 1 x 6A RCBO 5/4/1 Split load
2 x 63A RCCB, 1 x 6A RCBO 7/6/1 Split load
2 x 80A RCCB, 1 x 6A RCBO 5/4/1 Split load
2 x 80A RCCB, 1 x 6A RCBO 7/6/1 Split load
VC754R VC754RG
VC776R VC776RG
VC854R VC854RG
VC876R VC876RG
10
14
10
14
This arrangement provides a
dedicated RCBO for the smoke
detector circuit
Split Load 3 RCCB Board
2 x 80A RCCB, 1 x 40A RCCB 5/5/2 Split load
VC8552
VC8552G
12
This arrangement provides a RCD
for the smoke detector circuit which
could also supply other circuits e.g.
lighting
Split Load Twin RCCB
2 x 63A RCCB 5/5 Split load
2 x 63A RCCB 6/6 Split load
2 x 80A RCCB 5/5 Split load
2 x 80A RCCB 6/6 Split load
2 x 80A RCCB Configurable
VC755H1 VC755H1G
VC766H1 VC766H1G
VC855H VC855HG
VC866H VC866HG
VC816C VC816CG
10
12
10
12
16
One option is for the smoke
detector not to be supplied from the
same RCD as socket outlets
Split Load Twin RCCB plus unprotected circuit
2 x 80A RCCB 5/4/1 Split load
2 x 80A RCCB 7/6/1 Split load
VC854U VC854UG
VC876U VC876UG
10
14
If the smoke alarm circuit is not to
be protected by an RCD it must be
installed using a method from (i) to (iv)
of regulation 522.6.