Absolute Essential Checklist
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Go through each point and when you have completed it just click the pencil, ticking off your requirements from top to bottom.
Once you have a full set of lightning strikes well done, you've just concreted your LV Requirements.
ElecSpec Compliant.
AEC - Your Full Switchboard Checklist
Incoming ACB & Busbar Current Ratings
- 630A / 800A / 1000A / 1250A / 1600A / 2000A / 2500A / 3200A / 3600A / 4000A / 5000A / 6300A
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Incoming Supplies Incomers & Buscouplers
- Transformer Incomer(s)
- Generators Incomer(s)
- Other Incomer(s)
- Buscoupler(s)
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- N (Single Incomer - Primary)
- N+1 (Dual Incomer – Primary & Secondary)
- 2N (Primary Incomer – Buscoupler – Primary Incomer)
- 2N+1 (Dual Incomers – Primary & Secondary, Buscoupler, Dual Incomers – Primary & Secondary)
- Etc.
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- 36KA
- 50KA
- 70KA
- 100KA
- Please note Busbars & Devices, both need to be rated to the associated Fault Rating
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Switchboard Enclosure Specification
- Enclosure Sheet Metal Thickness
- Fully Welded Enclosure
- Mechanical Strength (Lifting)
- Paint Colour
- Protection against Electric Shock
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- Standard 50mm
- Size as required, typically in 25mm increases
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Cable Access – Front or Front & Rear
- Front Access (Cabling Accessible from the Front)
- Front & Rear Access (Cabling Accessible from the Rear)
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Cable Entry – Top / Bottom / Special
- Top Entry / Bottom Entry
- Top Exit or Bottom Exit / Top & Bottom Exit
- Special, always detail it clearly and precisely
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- There are more Forms but these are the main two, I wouldn't advise you specify anything less
- Form 3b Type 2 (Typically Panelboards, although Form 4 for me is a must)
- Form 4a Type 2 / Form 4b Type 5 / Form 4b Type 6 / Form 4b Type 7
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- IP 31 is pretty standard for indoor use but others can be specified
- If its external you will have to consider enclosures (GRP or Containers)
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- ACB’s
- MCCB’s
- Fuse Switches
- Isolators
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- Non-Auto
- Thermal Magnetic (Schneider, TMD’s)
- Long & Instantaneous Protection (Micrologic – Schneider, ML 2’s)
- Long, Short & Instantaneous (Micrologic – Schneider, ML 5’s)
- Long, Short, Instantaneous & Earth Fault (Micrologic – Schneider, ML 6’s)
- Long, Short, Instantaneous & Earth Leakage (Micrologic – Schneider, ML 7’s)
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- ACB – No Choice, all Fronted Push Buttons
- MCCB – Either Toggle or Door Interlocked Rotary Handle (Essential Read Up we Reckon)
- Fuse Switch – Door Interlocked Rotary Handle
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- Fixed Pattern
- Plugin
- Withdrawable
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- Percentage Amount Spare Capacity
- Copper Connections Only, Plugin Base or Fully Populated
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- Mechanical, Castell / Ronis Interlocks
- Mechanical, Chain (Beldon) Interlocks
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- Electrical, Simple Electrical Control
- Electrical, Break before Make Changeover
- Electrical, Make Before Breaker Changeover (Synchronising)
- Electrical, Load Shedding
- Electrical, PLC – Everything Else
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- Location
- Specification from Basic / Intermediate / Advanced Metering Solutions
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Surge Suppression & Power Factor Correction
- Surge Suppresion, Type 1 & Type 2
- Power Factor Correction - Size & with/without reactors (Detuned / Non Detuned)
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- Inter tripping
- Restricted Earth Fault
- Neutral Earthing Contactors
- Neutral Earth Connection
- Active Harmonic Filtration
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!Design Verification! - DON'T APPROVE A SWITCHBOARD WITHOUT SEEING THESE
- Short Circuit Certification
- Busbar Certification
- Earth Bar Certification
- Temperature Rise
- Switch Room Operational Temperature 40 Degrees C
- Busbar / ACB / MCCB Certification
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