40 Amp Wylex MCB - C Curve5013601081984NHXC40

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NHXC mcb's designs are subject to change
MCB's may differ slightly on new purchases and from existing mcb's
but are all interchangeable

MCB terminal capacity,
25 mm on all mcb's
NHXC MCB ( Type C )
Rated 40 Amps
Direct Replacement for Wylex NSC MCB's

Type C devices are capable of supplying the majority of inductive and capacitive loads such as
motors, transformers and tungsten or fluorescent lighting

Surges on energisation, for example with discharge lighting, may well reach 25 times the rated current of the device,
but only for very short duration.
Type B devices will often be adequate, but for more specialised circuits,
Type C may be required. The lighting fitting manufacturer’s recommendations should be observed.
  • Wylex NHXC MCBs have a short circuit breaking capacity of 6000A (M6).
  • 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.
  • When in the off position, a contact gap of 4 mm is achieved.
  • Wylex NHXC MCBs may therefore be used as single pole isolating switches where appropriate.


MCB Selection Data Sheets
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Price (inc VAT)
product photo

40 Amp Wylex MCB - C Curve