MK Electric Catalogue No. 49

696 / 759

696
OVERHEAD
SYSTEMS
Interact Overhead
Technical
Interact Overhead Power
Standards and Approvals
Manufactured within ISO 9000 environment.
TECHNICAL SPECIFICATION
ELECTRICAL CHARACTERISTICS OVERHEAD
Rated Current 40 A
Rated Voltage 480 V
Frequency 50/60 Hz
Conditional Short Circuit Rating 16 kA
Resistance per Copper Conductor
(At ambient temperature 20ºC) 1.3 mΩ/m
Impedance per Copper Conductor
(At ambient temperature 20ºC)
1.3 mΩ/m
VOLT DROPS (FULL LOAD, CONCENTRATED AT ONE END)
Powertrack (Line + Neutral) 2.9 mV/A/m
Feed Unit 0.3 mV/A
Tap-off Connection 1.6 mV/A
+ 2.5mm² Cable 18 mV/A/m
Joint 0.3 mV/A
Flexible Interlink Unit 0.8 mV/A
+ 6mm² Cable 7.0 mV/A/m
MECHANICAL DATA
Max. No. of Copper Conductors 5
Conductor Cross Section Area Nominal 14.4 mm²
Powertrack Casing Copper Equivalent
(Where Casing is Protective Earth)
12.0 mm²
Cable Termination Capacity 10 mm²
Tap-off Cable 2.5 mm²
Flexible Interlink Cable 6 mm²
Flexible Interlink Conduit 25 Ømm
Feed Conduit Entry 20 Ømm
IP Rating 2X
MATERIALS SPECIFICATION
Powertrack Casing, Feeds and Brackets Galvanised Steel
Conductors High Conductivity Copper
Powertrack Insulators
40A Polyamide and
Polyester
Sockets/Tap-off Plug/Joint Mouldings Polycarbonate
Interlink Flexible Conduit Galvanised Steel
Tap-off Cable
Multi-core Cable to BS 6500
and BS 7211. LSF Cable
standard.
TAP-OFF PINS
– Line, Neutral & Copper Earth Copper and Phosphorous
Bronze, tin plated
– Casing Earth Brass, tin plated
Flexible Interlink Cable Tri-Rated to BS 6231