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Single-Phase Circuit Protection
Trusted protection.
Sharper
value.
Competitive pricing without compromising the quality electricians rely on — better value across Lewden's core circuit protection.
Core range
PRICING
PROMOTION
PROMOTION
until 31st Dec 2026
Better ££ value
Single Phase Circuit Protection
Next-day Delivery
Core lines widely available
More room
Faster, cleaner installs
1946
Best in class, ever since
RCBO
RCBO-B16-30-SPA
Compact Unidirectional RCBOs (un-switched neutral)
RCBO
RCBO-B16-30-1PNA
Compact Unidirectional RCBOs (switched neutral)
RCBO
RCBO-B16-30-1PNAB
Compact Bidirectional RCBOs (switched neutral)
AFDD
AFDD-B16-30
AFDD RCBOs
Consumer Unit
PRO-R06W-R1S
CU 6way Main Switch T2 SPD Round KOs
Consumer Unit
PRO-R08W-R1S
CU 8way Main Switch T2 SPD Round KOs
Consumer Unit
PRO-R10W-R1S
CU 10way Main Switch T2 SPD Round KOs
Consumer Unit
PRO-R14W-R1S
CU 14way Main Switch T2 SPD Round KOs
Consumer Unit
PRO-R19W-R1S
CU 19way Main Switch T2 SPD Round KOs
WHY LEWDEN
The value you already expect -
now sharper.
Reliability
Products that protect margins and reduce callbacks.
Availability
Next-day delivery at your preferred wholesaler or at your doorstep if bought online.
Installer-focused
Extra room in the board and compact modules for easy wiring and faster fit.
Confidence
Best in class since 1946 - trusted protection, no compromise.