2. Connecting Mains Power
The power requirements of the MelCOMMS MINI are 100-240VAC, 0.7A, 50/60Hz.
A 6A single gang fused switch must be provided in-line with the mains supply and be in close proximity to the
MelCOMMS MINI enclosure. It must be clearly marked as the disconnecting device. The supply should also be fed via
a 6amp type B circuit breaker in the distribution box.
The construction of the connections of the conductors should be such that, if the cord were to slip in its anchorage,
the protective earth conductor would be the last to take the strain.
Ensure that the mains cable supplying the MelCOMMS MINI is rated to the following specification:
- 1.5mm
2
- 3 core flexible flex blue, brown, yellow/green
-
External diameter 8.0mm
-
BS EN 50525
Recommended cable: CEF Part Code: 3183B1.5W050
This apparatus must be earthed via the 3 way mains terminal block shown in Figure 6 below.
Connect Live (L), Neutral (N) and Earth (E) to the 3 way terminal block located on the right side of the enclosure, as
indicated below.
Figure 6: Mains terminal block connection
The mains cable should be secured to the metal enclosure using the supplied M20 locking gland.
F1
Live (L)
F1 – Fuse
T3.15AH250V
Pre-installed 3.15A
20mm ceramic fuse
Neutral (N)
Earth (E)
