40 Amp Wylex Plug-in MCB's5013601074559B40

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45 Amp no longer made - Shown

Colour Coded


MCB terminal capacity,
25 mm on all mcb's
Wylex Plug-in MCB's
Rated 40 Amps
General Domestic Consumer Unit use

Wylex Plug-in MCB's detect overcurrents due to both overload and fault currents.
The MCB will operate and interrupt the supply to prevent damage to the installation.
  • Wylex Plug-in Domestic MCBs have a short circuit breaking capacity of 3000A (M3).
  • The current carrying capacity of the cable should always exceed the current rating of the MCB to prevent damage.
  • The operating dolly may be locked in either the ON or OFF position without affecting the ability of the trip mechanism to operate.
  • Direct replacement for Rewireable and HRC Fuse carriers in the Wylex Standard Range
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product photo

WY B40

40 Amp Wylex Plug-in MCB's