4.6
General Catalogue • Protection Devices
RCCB Add-on Blocks for MCB Devices
NBN, NCN, NDN
Double Pole RCCB Add-On Blocks
Sensitivity
I n /A
Width (35mm)
Cat ref.
lΔn
30mA
63A
2 Mod
BD264
100mA
63A
2 Mod
BE264
300mA
63A
2 Mod
BF264
Time Delayed 100mA
63A
2 Mod
BN264
Time Delayed 300mA
63A
2 Mod
BP264
Description
These products provide earth
fault protection when associated
with the 10kA (types NBN, NCN,
NDN) range of MCBs.
They are designed to be fitted
to the right hand side of 2 and 4
pole MCBs and the completed
unit provides protection against:
• Overload
• Short circuit
• Earth faults
Technical Data
3 Non-Adjustable sensitivities
30, 100 & 300mA
nominal voltage 230 - 400V
protection against nuisance
tripping.
2 pole = 2 Modules
4 pole = 3 Modules
BS EN 61009 Appendix G
Selective (time delay) versions
are available in 100mA & 300mA.
Connection Capacity
• 16mm
2
Flexible
• 25mm
2
Rigid
All devices have a test facility.
Four Pole RCCB Add-On Blocks
Sensitivity
I n /A
Width (52.5mm)
Cat ref.
lΔn
30mA
63A
3 Mod
BD464
100mA
63A
3 Mod
BE464
300mA
63A
3 Mod
BF464
Time Delayed 100mA
63A
3 Mod
BN464
Time Delayed 300mA
63A
3 Mod
BP464
BD264
BD464




