Wylex MCB B20 10kA 3P (3MW)
£35.57 Incl. VAT
Wylex NH Miniature Circuit Breaker is the thermal-magnetic current limiting type, having a compact construction which has been achieved by not only minimising the number of parts but also the number of welded joints and connections. Critical material selection ensures reliability and durability. Typical of this is the choice of silver graphite for the fixed contact. It has an easy to operate handle with a trip-free toggle mechanism – so even when the handle is held in the ‘on’ position the MCB is free to trip. The back-up protection is required only if the prospective short circuit current at the point of installation exceeds the breaking capacity of the MCB. When providing back-up protection consideration must be given to discrimination between the MCB and fuse. · · · B curve trip characteristic (3-5In) · · 10kA to BS EN 60898-1 (15kA to BS EN 60947-2) @ 415V AC · · Triple pole MCB · · Has box terminal, busbar aperture and DIN clip · · Energy limiting Class 3
6 available – delivery in 1–2 days
Description
Technical Specifications Technical Specifications Miniature circuit breaker (MCB) Rated voltage 230 V Rated current 20 A Tripping characteristic (type/curve) B Rated impulse-withstand voltage (Uimp) 4 kV Width in number of modular spacings 3 Number of protected poles 3 Current limiting class 3 Rated short-circuit breaking capacity Icn EN 60898 at 400 V 10 kA Number of poles (total) 3 Rated insulation voltage Ui 400 V Rated short-circuit breaking capacity Icn EN 60898 at 230 V 10 kA Over voltage category 3 Frequency 50 – 50 Hz Connectable conductor cross section multi-wired 0.75 – 25 mm² Ambient temperature during operating -5 – 40 °C Concurrently switching N-neutral No Additional equipment possible No Flush-mounted installation No · Technical Data Sheet – Click to Download
