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Technical Data

 

 

Electrical Characteristics

Rated Current: 50 Amps
Rated Voltage: 120/208 3ǾY – 277/480 3ǾY Volts
Frequency: 50/60 Hz
Conditional Short Circuit Rating (Protection device): 16KA
Conductor Resistance Line & Neutral: 1.0 mΩ/ft
Conductor Impedance: 1.5 mΩ/ft

Volt Drops Line & Neutral:
Snake Bus®: 1.0 mV/A/ft
Feed Unit + Coupler: 2.2 mV/A
Tap-Off: 0.73 mV/A
12 AWG: 4.4 mV/A/ft
Coupler: 1.5 mV/A
Interlink: 4.5 mV/A
8 AWG: 1.71 mV/A/ft

Mechanical Data

Number of Copper conductors: 2, 3 or 5
Conduit Cross-sectional Area: Nominal 3.3 AWG
Gridd Power Bus® Casing Copper Equivalent (Where casing is Ground): 3.3 AWG
Cable Termination Capacity: 4 AWG
Tap-Off Cable 20 Amp: 12 AWG
Tap-Off Conduit Sizes: 1/2 Inch UL1
Flexible Interlink Cable 50 Amp: 8 AWG
Flexible Interlink Conduit: 3/4 Inch UL1
Feed Conduit Entry: 2 x 1* Inch
IP Rating: 40
Minimum void depth: (track + tap-off): 2 3/16 Inch

Material Specification

Gridd Power Bus® Casing: Galvanized Steel
Conductors: High Conductivity Copper
FreeAxez Power Bus® Insulators: PBT
Sockets/ Tap-Off Plugs/ Joint Molding: Polycarbonate LSF
Shutter: PBT
Tap-Off/ Interlink Flexible Conduit: Galvanized Steel UL1
Tap-Off Cable: ULI063 Type MTW or THHN
Tap-Off/ Coupler Blade: Brass Silver Plated
Feed Unit Case: Galvanized Steel
Flexible Interlink Cable: ULI028 Type TEW or THHN
Feed/ Flexible Interlink Housing: Galvanized Steel