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8/17/2019 Boiler Junction Box
1/2
42009699-001
BOILER JUNCTION BOX
FEATURES
Simplified wiring.
One wire per terminal.
Cable clamps.
Strong fire retardant ABS box.
Designed to comply with BS3955 and
its partial replacement – BS EN 60730
and BS EN 61058.
APPLICATION
The Boiler Junction Box allows simplified wiring and IEE
compliance when connecting mains, boiler and pump to the
system. When the mains, boiler and pump are located a
considerable distance from the Base Unit, it allows either two
twin and earth cables or a single three core and earth cable to
be run from the boiler junction box to the Base Unit. This reduces
the number of cable runs required and also the potential for
errors to be introduced in the system wiring.
1.5
S MA
RT F I T
8/17/2019 Boiler Junction Box
2/2
BOILER JUNCTION BOX
Installation
The location should be convenient forinstallation components wiring and bereadily accessible.
If fitted on a wall, the box may bemounted either way up to allow for top orbottom cable entry; the lid is reversibleon the base.
All information for the wiring is providedon a label in the lid.
An optional sub base adaptor is availablefor mini trunking, which comes with fullinstallation instructions.
Ordering Specification
42009699-001Boiler Junction Box
42005749-001Mini trunking sub base adaptor completewith sub base to Boiler Junction Box andfixing screws.
Dimensions
Specification
BOILER JUNCTION BOX
Number of Terminals : 17
Nominal Terminal Capacity : 2 x 1.5mm2
Maximum Current – Terms : 10 amp 230V 50Hz
Maximum Current – PCB : 5 amp 230V 50Hz
Cable Clamp Capacity : 4 x 2.5mm2 twin and E
: (max) per clamp (2 off)
Ambient Temperature Rating : 10˚C to 90˚C
Fixing : 3 fixing holes in base for
: No. 8 woodscrews
MINI TRUNKING SUB BASE ADAPTOR
Mini Trunking Breakouts : 13 breakouts distributed around the four
: sides of the adaptorCable Clamp Capacity : 4 x 2.5mm2 twin and E (max) per clamp
: (2 off) from Boiler Junction Box
Fixing : 3 fixing holes in base for No. 8 woodscrews.
: 3 off 4BA screws provided to fit adaptor to
: Boiler Junction Box
EC Directive : Conforms to 89/336/EEC
A B C D E F
101 30 170 106 93 185
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