LAURITZ KNUDSEN / ELECTRICAL & AUTOMATION
Sub-main distribution boards
SMDB enclosures and matching accessories for power distribution.
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01
SMDBs
02
Metering extensions
03
Cabling and corner boxes
MANUFACTURER REFERENCE / August 2026
Details, down to
the catalog number.
Browse the supplied specification pages. Published MRP is a dated manufacturer reference; request a current Nova quote and confirm the tax basis and pack size.
ESP Lauritz Knudsen Price List (1).pdf ↗ · PDF pages 75–76
2 catalog pages
PDF page 75 SMDBs for Power Distribution [8537]
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Extracted reference text; use the original PDF to check column alignment, variants and price units.
SMDBs for Power Distribution [8537]
Metering Extension Box Range Highlights
› Sub Main Distribution Board (SMDB) with MCCB as incomer
and MCCBs as outgoing devices
Corner Box
Corner Box › Conforms to IEC 61439-2
› DEKRA and ASTA certified
› Rating up to 630 A
› Short-time withstand current
» 250A & 400A SMDB - 36 kA 1s
Side Cabling Box Side Cabling Box » 630A SMDB - 50 kA 1s
› Ingress protection - IP 43
› Choice in number of outgoing ways - 4, 8, 12 and 16
› Ready to use, off the shelf solution
› Suitable for range of MCCBs
Corner Box › Metering & cabling extensions are available as accessories
Corner Box
Bottom Cabling Box
SMDB
No of ways Height (H) Width (W) Depth (D)
Description Cat. No. M.R.P. (`)
250A Per Unit (mm) (mm) (mm)
100A
SMDB - TN250D, O/G 100A 4 ways DA20D1044CZZ0 - 4 56450 637 670 208.5
SMDB - TN250D, O/G 100A 8 ways DA20D1084CZZ0 - 8 68655 787 670 208.5
SMDB - TN250D, O/G 100A 12 ways DA20D1124CZZ0 - 12 86355 937 670 208.5
SMDB - TN250D, O/G 100A 16 ways DA20D1164CZZ0 - 16 101490 1087 670 208.5
SMDB - TN400D, O/G 100A 4 ways DA40D1044CZZ0 - 4 63250 937 670 208.5
SMDB - TN400D, O/G 100A 8 ways DA40D1084CZZ0 - 8 72070 1087 670 208.5
SMDB - TN400D, O/G 100A 12 ways DA40D1124CZZ0 - 12 92670 1237 670 208.5
SMDB - TN400D, O/G 100A 16 ways DA40D1164CZZ0 - 16 109225 1387 670 208.5
SMDB - TN630D, O/G 100A 8 ways DA60D1084CZZ0 - 8 119500 1287 870 208.5
SMDB - TN630D, O/G 100A 12 ways DA60D1124CZZ0 - 12 161385 1507 870 208.5
SMDB - TN630D, O/G 100A 16 ways DA60D1164CZZ0 - 16 176900 1507 870 208.5
SMDB - TN630D, O/G 250A 4 ways DA62D1044CZZ0 4 - 116380 1067 870 208.5
SMDB - TN630D, O/G 250A 8 ways DA62D1084CZZ0 8 - 130345 1287 870 208.5
SMDB - TN630D, O/G 250A 12 ways DA62D1124CZZ0 12 - 167590 1507 870 208.5
SMDB - TN630D, O/G 250A 16 ways DA62D1164CZZ0 16 - 187765 1727 870 208.5
SMDB - TN630D, O/G COMBI 4 ways DA6AD1044CZZ0 2 2 114055 1067 870 208.5
SMDB - TN630D, O/G COMBI 8 ways DA6AD1084CZZ0 2 6 124140 1287 870 208.5
SMDB - TN630D, O/G COMBI 12 ways DA6AD1124CZZ0 2 10 164485 1507 870 208.5
SMDB - TN630D, O/G COMBI 16 ways DA6AD1164CZZ0 2 14 181550 1507 870 208.5
Incoming Device [8536] Outgoing Device [8536]
SMDB M.R.P. SMDB M.R.P.
Description Cat. No. (`) Description Cat. No. (`)
Type Type
Per Unit Per Unit
DN1-250C 3 Pole MCCB - 160A CM90638OOMO 21500 DN0-100C 3 Pole MCCB - 20A CM91612OOCOOG 12100
TN250D* DN1-250C 3 Pole MCCB - 200A CM90638OONO 27500 DN0-100C 3 Pole MCCB - 25A CM91612OODOOG 12100
DN1-250C 3 Pole MCCB - 250A CM90638OOPO 32200 DN0-100C 3 Pole MCCB - 32A CM91612OOEOOG 12100
TN250D,
DN3-400D 3 Pole MCCB - 320A CM94005OOQ1OG * TN400D DN0-100C 3 Pole MCCB - 40A CM91612OOFOOG 12100
TN400D
DN3-400D 3 Pole MCCB - 400A CM94005OOR1OG * & DN0-100C 3 Pole MCCB - 50A CM91612OOGOOG 12100
TN630D
DN3-630D 3 Pole MCCB - 500A CM94006OOS1OG 73400 DN0-100C 3 Pole MCCB - 63A CM91612OOHOOG 11700
TN630D
DN3-630D 3 Pole MCCB - 630A CM94006OOT1OG 73400 DN0-100C 3 Pole MCCB - 80A CM91612OOJOOG 11700
Note: DN0-100C 3 Pole MCCB - 100A CM91612OOKOOG 11700
› While ordering SMDB, incoming and outgoing MCCBs have to be ordered DN1-250C 3 Pole MCCB - 160A CM90638OOMO 21500
separately. TN630D DN1-250C 3 Pole MCCB - 200A CM90638OONO 27500
› Prices of MCCBs are not included in SMDB prices. DN1-250C 3 Pole MCCB - 250A CM90638OOPO 32200
* TN250D - Suitable for DN1-250N, DU250 & DU250C MCCB as incomer.
## Price on Request. DN0, DU100D & DU100H MCCBs are suitable as outgoing devices up to 100A
DN1-250N, DU250 & DU250C MCCBs are suitable as outgoing devices up to 250A
Lauritz Knudsen, 15.08.2026 68PDF page 76 SMDB Accessories [8537]
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Extracted reference text; use the original PDF to check column alignment, variants and price units.
SMDB Accessories [8537]
Metering, Bottom Cabling & Corner Box
› Provision of 3 nos of 1-phase ammeter (96*96), 1 nos of 1-phase
voltmeter (96*96) with selector switch and indicating lamps.
SMDB M.R.P.
Description Cat. No. (`)
Type
Per Unit
TN250D & Metering Extension Box CM90439OOPO 8715
TN400D Bottom Cabling Box CM90437OOOO 8170
Metering Extension Box CM91064OOTO 9190
TN630D
Bottom Cabling Box CM91062OOOO 8640
TN250D, TN400D & Corner Box CM91089OOOO 3035
TN630D Mounting base CM70260OOOO 4095
Note:
› Ammeter, voltmeter, selector switch and indicating lights have to be ordered separately.
› Mounting base to be used without bottom cabling box.
Side Cabling Box
No. of Ways Left Right
SMDB
Type M.R.P. (`) M.R.P. (`)
250A 100A Cat. No. Cat. No.
Per Unit Per Unit
- 4 CM91085ODOO 8360 CM91086ODOO 8360
- 8 CM91085OFOO 10795 CM91086OFOO 10795
TN250D
- 12 CM91085OHOO 12935 CM91086OHOO 12935
- 16 CM91085OKOO 15100 CM91086OKOO 15100
- 4 CM91087ODOO 12935 CM91088ODOO 12935
- 8 CM91087OFOO 15100 CM91088OFOO 15100
TN400D
- 12 CM91087OHOO 16540 CM91088OHOO 16540
- 16 CM91087OKOO 18690 CM91088OKOO 18690
- 8 CM91120OOFO 15665 CM91121OOFO 15665
- 12
CM91120OOHO 18250 CM91121OOHO 18250
- 16
4 - CM91120OODO 14040 CM91121OODO 14040
8 - CM91120OOFO 15665 CM91121OOFO 15665
TN630D 12 - CM91120OOHO 18250 CM91121OOHO 18250
16 - CM91120OOKO 19885 CM91121OOKO 19885
2 2 CM91120OODO 14040 CM91121OODO 14040
2 6 CM91120OOFO 15665 CM91121OOFO 15665
2 10
CM91120OOHO 18250 CM91121OOHO 18250
2 14
Lauritz Knudsen, 15.08.2026 69No matching text found. Try a shorter model code or check the original PDF, including illustrated pages.
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