MSDB Metal 24 Way
from only £1,690.50 Ex VAT
MSDB Metal 24 Way
Mild steel wall mounting distribution boards for 3 phase systems configurable with either a single incoming bank of triple pole J type slotted tag fuses or with an additional outgoing bank of triple pole J type fuses for mixed developments requiring a split supply greater than 100A
- Multi-tier outgoing fuse ways provide increased space for cabling
- Site configurable for CNE or SNE cable systems
- M12 fixings for incoming connections and internal busbar links
- Pre-drilled removable gland plate fitted with closed cell foam sealing gasket
- Removable double doors to facilitate fitment in shallow riser cupboards
- Accept up to 300mm² 3 or 4 core aluminium or copper conductors
- Optional glanding kit for different cable types e.g. copper screened, aluminium or steel wire armoured
Factory options include:
- Left or right-hand incoming supply
- Single or twin bank of triple pole J type fuse links
- 4 core incoming / outgoing cable kit
- N/E bar located at top or bottom of enclosure to suit top or bottom entry options
Enclosure specification
- Oven-cured epoxy powder coated finish with a minimum thickness of 50 microns
- Standard colouradmiralty grey to BS 381c, shade no 632
- Two stage padlockable double doors enabling independent access to outgoing 100A fuse ways or Distribution Network Operator (DNO) access to incoming J type fuses
- Quick release spring loaded hinge pins permit rapid door removal for improved access
- Overall 250mm depth enables instillation in confined spaces
- Two external M12 earth studs
Internal equipment
- Operator protection IP2XB (all screens, shrouds and fuse handles in place)
- Equipped with BS 7657 100A rated SP outgoing ways (BS 88 30 x 57mm cylindrical cartridge fuses, not supplied)
- Serrated cable bores in 100A outgoing ways accept up to 35mm² solid or stranded conductors
- Neutral and Earth bars fitted with twin hexagon drive M8 cable pinching screws per terminal
- Termination kit for 4 core cable with 95mm² to 300mm² mechanical shear-off connectors specifiable at point of order
- Above terminals will accept solid aluminium or stranded copper conductors, Waveform or SWA type cables (additional kit required for each SWA termination)
- BS 88 J type slotted tag fuses with 92mm fixing centres fitted on incoming phases
- Fully rated neutral and earth bars
- 1J Ex works net weight
IMAGE FOR REPRESENTATION ONLY
Performance data
- Incoming supply 630A max
- Busbar rating 630 A nominal
- Supply voltage 415V a.c.
- Frequency 50-60Hz
- Rated insulation voltage 690V a.c.
- Short circuit withstand strength 18kA for 1 second
Operator protection
- All shrouds and fuse handles in place IP2XB
Operational condition
- All shrouds and fuse handles in place IP2XB
- Operational condition, both doors closed IP3X
- Recommended N/E bar terminal torque 3.5Nm
Conformity to standards
- Third party tested to BS EN 60439-1 (form 4 compliant)
- Complies with draft ENA technical specifications for MSDBs
- IP rating according to BS EN 60529
- Incoming fuses BS 88 J type
- Outgoing fuse ways to BS 7657:1993
Construction
- Enclosure: Zinc coated mild steel 1.2mm thick
- Busbars: Electro-tin plated copper
- Terminal blocks: Brass
- Terminal shields: Transparent polycarbonate
- J type fuse holders: Glass reinforced polybutylene terepthalate (PTB)
- J type fuse bases: Glass reinforced polyamide
Weights (excluding fuses)
24 way
- 1J Ex works net weight: 53kgs
- 2 J Ex works net weight: 69kgs