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Official UK RepresentativeMedium Power Busbar System
GGD is a 160 A to 1000 A medium power busbar trunking system for industrial and commercial power distribution, available in aluminium (GGD-A, up to 1000 A) and copper (GGD-C, up to 800 A) conductor variants, with a one-bolt monoblock joint system and an extensive range of elbow, offset, expansion, feed and tap-off accessories.
Modular medium-power distribution system with extensive feed, elbow, offset, expansion and tap-off options.
| Parameter | 160A | 250A | 315A | 400A | 500A | 630A | 800A | 1000A |
|---|---|---|---|---|---|---|---|---|
| Rated current (In) | 160 A | 250 A | 315 A | 400 A | 500 A | 630 A | 800 A | 1000 A |
| Rated operational voltage (Ue) | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V |
| Insulation voltage (Ui) | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V | 1000 V |
| Frequency (fn) | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz | 50/60 Hz |
| Phase conductor cross-section (SF) | 144 mm² | 144 mm² | 144 mm² | 144 mm² | 500 mm² | 500 mm² | 600 mm² | 700 mm² |
| Neutral conductor cross-section (SN) | 144 mm² | 144 mm² | 144 mm² | 144 mm² | 500 mm² | 500 mm² | 600 mm² | 700 mm² |
| Earth bar cross-section (SH) | 200 mm² | 200 mm² | 200 mm² | 200 mm² | 350 mm² | 350 mm² | 350 mm² | 350 mm² |
| Aluminium housing cross-section (SPE) | 1083 mm² | 1083 mm² | 1083 mm² | 1083 mm² | 1200 mm² | 1200 mm² | 1200 mm² | 1200 mm² |
| Phase short-circuit withstand current, 1s (Icw) | 13 kA | 13 kA | 13 kA | 13 kA | 25 kA | 25 kA | 35 kA | 40 kA |
| Phase peak withstand current (Ipk) | 26 kA | 26 kA | 26 kA | 26 kA | 53 kA | 53 kA | 80 kA | 90 kA |
| Neutral short-circuit withstand current, 1s (Icw) | 8 kA | 8 kA | 8 kA | 8 kA | 15 kA | 15 kA | 22 kA | 24 kA |
| Neutral peak withstand current (Ipk) | 14 kA | 16 kA | 14 kA | 14 kA | 30 kA | 30 kA | 44 kA | 50 kA |
| Phase resistance (R20) | 0.193 mΩ/m | 0.193 mΩ/m | 0.193 mΩ/m | 0.193 mΩ/m | 0.058 mΩ/m | 0.058 mΩ/m | 0.048 mΩ/m | 0.041 mΩ/m |
| Phase resistance (R1) | 0.338 mΩ/m | 0.338 mΩ/m | 0.338 mΩ/m | 0.338 mΩ/m | 0.098 mΩ/m | 0.098 mΩ/m | 0.080 mΩ/m | 0.045 mΩ/m |
| Phase reactance (X1) | 0.094 mΩ/m | 0.094 mΩ/m | 0.094 mΩ/m | 0.094 mΩ/m | 0.014 mΩ/m | 0.014 mΩ/m | 0.010 mΩ/m | 0.007 mΩ/m |
| Phase impedance (Z1) | 0.351 mΩ/m | 0.351 mΩ/m | 0.351 mΩ/m | 0.351 mΩ/m | 0.099 mΩ/m | 0.099 mΩ/m | 0.080 mΩ/m | 0.046 mΩ/m |
| Conductor material | Aluminium (EC Grade) | Aluminium (EC Grade) | Aluminium (EC Grade) | Aluminium (EC Grade) | Aluminium (EC Grade) | Aluminium (EC Grade) | Aluminium (EC Grade) | Aluminium (EC Grade) |
| Protection degree | IP50 | IP50 | IP50 | IP50 | IP50 | IP50 | IP50 | IP50 |
| Standard element length | 4000 mm | 4000 mm | 4000 mm | 4000 mm | 4000 mm | 4000 mm | 4000 mm | 4000 mm |
| Joint tightening torque | 30 Nm | 30 Nm | 30 Nm | 30 Nm | 90 Nm | 90 Nm | 90 Nm | 90 Nm |
GGD-A 201000 / 202000 / 203100 / 204100 / 205000 / 206000 / 208000 / 210000 · GGD-C 201000 / 202000 / 203000 / 204000 / 205000 / 206000 / 208000
4000 mm aluminium-housing busbar element in 3P+N+1/2 PE configuration, available with aluminium (GGD-A, 160–1000 A) or copper (GGD-C, 160–800 A) conductors.
GGD-A 201001 / 202001 / 203101 / 204101 / 205001 / 206001 / 208001 / 210001 · GGD-C 201001 / 202001 / 203001 / 204001 / 205001 / 206001 / 208001
Custom-length element (400–3999 mm) for non-standard runs; X/Y dimensions specified at order.
GGD-A 6135 · GGD-C 6135
Monoblock one-bolt joint set connecting two busbar elements; side and joint covers restore IP55 protection.
GGD-A 200102 / 200106 · GGD-C 200102
90° horizontal direction-change element; custom angles between 88°–179° available to order.
GGD-A 200101 / 200105 · GGD-C 200101
90° horizontal direction-change element; custom angles between 88°–179° available to order.
GGD-A 200104 / 200108 · GGD-C 200104
90° vertical direction-change element; custom angles between 88°–179° available to order.
GGD-A 200103 / 200107 · GGD-C 200103
90° vertical direction-change element; custom angles between 88°–179° available to order.
GGD-A 200111 / 200112 · GGD-C 200104
T-branch element for splitting the busbar run in a third direction.
GGD-A 200109 / 200110 · GGD-C 200109
T-branch element for splitting the busbar run in a third direction.
GGD-A 204009 / 210009 · GGD-C 204009
Absorbs building structural movement; installed at structural expansion points.
GGD-A 204011 / 210011 · GGD-C 204011
Absorbs thermal expansion on long straight runs; recommended approximately every 40 m.
GGD-A 204010 / 210010 · GGD-C 204010
Absorbs thermal expansion on long vertical runs.
GGD-A 200030 / 200031 · GGD-C 200030
Right-hand connection module for feeding the busbar run directly from a distribution panel.
GGD-A 200032 / 200033 · GGD-C 200030
Left-hand connection module for feeding the busbar run directly from a distribution panel.
GGD-A 200021 / 200023 · GGD-C 200021
Right-hand feed unit for supplying the busbar run; switch-fused version available to order.
GGD-A 200020 / 200022 · GGD-C 200020
Left-hand feed unit for supplying the busbar run; switch-fused version available to order.
GGD-A 200024 / 200025 · GGD-C 200024
Feeds the busbar run from a mid-span point; switch-fused version available to order.
GGD-A 200124 / 200128 · GGD-C 200124
Shifts the run onto a parallel horizontal axis; X/Y/Z dimensions specified at order.
GGD-A 200123 / 200127 · GGD-C 200123
Shifts the run onto a parallel horizontal axis; X/Y/Z dimensions specified at order.
GGD-A 200126 / 200130 · GGD-C 200126
Shifts the run onto a parallel vertical axis; X/Y/Z dimensions specified at order.
GGD-A 200125 / 200129 · GGD-C 200126
Shifts the run onto a parallel vertical axis; X/Y/Z dimensions specified at order.
GGD-A RED01 / RED02
Steps down between current ratings (400–1000 A) within the same busbar run.
GGD-A 204006 / 210006 · GGD-C 208006
Fire barrier element for busbar penetrations through fire-rated walls and floors.
GGD 100028 (160–400 A) / 100029 (500–1000 A)
Closes the open end of a feed unit at the end of a run.
GGD 500002
Sticky plug cover for sealing unused plug-in outlet windows to IP55.
GGD 500003
Outlet cover restoring IP55 ingress protection at an open plug-in window.
GGD 010001 / 010004 (160–400 A) · GGD 020001 / 010005 (500–1000 A)
Support hanger for the busbar run; recommended spacing is 1500–2000 mm.
GGD 010002 (160–400 A) / 010003 (500–1000 A)
Spring hanger for vertical risers; one hanger per vertical outlet and per 150 kg of busbar, in addition to standard fixing hangers.
GGD 400631 (25–80 A) / 401251 (25–125 A)
NH fuse-type tap-off box for protected sub-circuit connections from the busbar run.
GGD 401160 / 402500 / 404000 / 406300 (160–630 A)
SPB fuse-type tap-off box for higher-current protected sub-circuit connections.
GGD 400630 (25–40 A) / 400632 (25–80 A) / 401252 (25–125 A)
MCB-type tap-off box for protected sub-circuit connections from the busbar run.
GGD 401253 / 401162 / 402502 / 404002 / 406302 (25–630 A)
MCCB-version tap-off box for higher-current protected sub-circuit connections.
Full product catalogue covering all Gersan busbar trunking systems, including GGD technical data, order codes and dimensional drawings.
PDF · 25.1 MBQuick reference for joining two GGD busbar elements: alignment, one-bolt joint tightening torque and closing the joint covers.
PDFNeed technical information?
Request datasheets, drawings and documentation for your selected busbar system.
SMART AUTOMATION
G-BUS is Gersan's automation and monitoring layer for compatible busbar systems—bringing visibility, control and intelligence to your power distribution network.
Compatible with selected GNL, GL, GGD and GS systems
Uses the busbar itself for data communication—fast installation with lower complexity.
Secure access from anywhere to monitor status, receive alerts and operate with confidence.
Track key electrical parameters, automate switching and schedule operations with ease.
Applications
GGD delivers extensive, high-current power distribution for industrial and commercial facilities that need a wide choice of routing, feed and tap-off accessories.
Reliable, high-current power distribution up to 1000 A for data centre server halls.
Robust power distribution for utility plants and other essential-service facilities.
High-current power distribution for production areas and high-ceiling industrial spaces requiring up to 1000 A capacity.
Adaptable power distribution for offices, retail units and mixed-use commercial interiors.
Continuous power distribution above storage aisles, picking areas and logistics operations.
Robust power distribution for lighting, EV charging and ventilation infrastructure in parking facilities.
Resilient power distribution for wards, plant rooms and clinical support areas.
Power distribution for airports, rail stations and other major transport hubs.
Reliable, high-current power distribution up to 1000 A for data centre server halls.
Engineering support
Share your current requirement, installation environment and project stage with our technical team.
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