676 / 759
mkelectric.co.uk
676
FLOOR SYSTEMS
RAISED
Interact Underfloor
Technical
Standards and Approvals
Underfloor 63A – complies with BS EN 61534:2011
Manufactured within ISO 9000-9002 environment.
TECHNICAL SPECIFICATION
ELECTRICAL SPECIFICATION
63A
Rated Current
63
A
Rated Voltage
480
V
Frequency
50/60
Hz
Conditional Short Circuit Rating
16
kA
Resistance per Copper Conductor
(At ambient temperature 20
º
C)
1.3
m
Ω
/m
Impedance per Copper Conductor
(At ambient temperature 20
º
C)
1.3
m
Ω
/m
VOLT DROPS (FULL LOAD, CONCENTRATED AT ONE END) (LINE + NEUTRAL)
Powertrack
2.9
mV/A/m
Feed Unit
0.6
mV/A
Tap-off Connection
1.6
mV/A
+ 4mm² Cable
10
mV/A/m
+ 2.5mm² Cable
18
mV/A/m
Joint
0.6
mV/A
Flexible interlink Unit
0.8
mV/A
+ 10mm² Cable
4.0
mV/A/m
EARTH FAULT LOOP IMPEDANCE
Line Conductor
1.5
m
Ω
/m
EARTH
– Case
1.0
m
Ω
/m
– Copper
1.5
m
Ω
/m
– Copper + Case
0.75
m
Ω
/m
Feed Unit (Line + Earth)
0.6
m
Ω
Tap-off Connection (Line + Earth)
3.1
m
Ω
+ 4mm² Cable R1 + R2
10
m
Ω
/m
+ 2.5mm² Cable R1 + R2
18
m
Ω
/m
Joint (Line + Earth)
0.6
m
Ω
Flexible Interlink Unit (Line + Earth)
0.8
m
Ω
+ 10mm² Cable R1 + R2
3.7
m
Ω
/m
MECHANICAL DATA
63A
Max. No. of Copper Conductors
5
Conductor Cross Section Area (Nominal)
14.4
mm²
Powertrack Casing Copper Equivalent
(Where Casing is Protective Earth)
14.5
mm²
Cable Termination Capacity
16
mm²
Tap-off Cable 32A
4.0
mm²
Tap-off Cable 13A
2.5
mm²
Tap-off Conduit Sizes
16/20
Ømm
Flexible Interlink Cable
10
mm²
Flexible Interlink Conduit
25
Ømm
Integral Feed Conduit Entry
1 x 25
Ømm
Feed Conduit Entry
2 x 25
Ømm
IP Rating
4X
MATERIALS SPECIFICATION
Powertrack Casing, Feeds and Brackets
Galvanised Steel
Conductors
High Conductivity
Copper
Dust cover
Powertrack Insulators
63A – Polyamide and
polyester
Polycarbonate Sockets
/ Tap-off
Plug / Joint
Mouldings
Polycarbonate
Shutter
Acetal
Tap-off/Interlink Flexible Conduit
Galvanised Steel
Tap-off Cable (Singles in Conduit)
LSF cable to BS 7211
(PVC Cable to BS 6004
available on request)
Tap-off Cable (Multi-core)
Multi-core cable to BS
6500 & BS 7211 LSF
cable standard (PVC
cable available on
request)
TAP-OFF PINS
– Line, Neutral & Copper Earth
Copper and
Phosphorous Bronze,
tin plated
– Casing Earth
Brass, tin plated
Flexible Interlink Cable
10mm
²
cable to BS 6231
3m tap off is actually 2.7/2.8m fully stretched, shortened by 0.1 - 0.2m of
slack to ensure it remains flexible when wired to a module.
Interact Underfloor Power