Live Electrical CB340D 3 Pole 40A D Curve 10kA MCB
The Live Electrical CB340D 3 Pole 40A D Curve 10kA MCB is a bi-directional miniature circuit breaker designed for three-phase AC distribution systems. With a 40A current rating and 10kA breaking capacity, it provides overcurrent and short-circuit protection for suitable commercial and industrial electrical installations.
Features and applications
The CB340D features a D curve tripping characteristic, making it suitable for selected applications involving high starting currents, such as industrial motors, transformers and other equipment with significant inrush demand. Its thermal-magnetic operating mechanism provides overload and short-circuit protection, subject to correct circuit design and protective device selection.
Designed for installation on a standard 35mm DIN rail, this three-pole MCB occupies 54mm of distribution board space. Its IP20 construction and 230/400V AC operating rating make it suitable for use within compatible electrical distribution equipment.
Technical specifications – Live Electrical CB340D 3 Pole 40A D Curve 10kA MCB
- Manufacturer: Live Electrical
- Part number: CB340D
- Rated current: 40A
- Number of poles: 3
- Tripping characteristic: Curve D
- Rated breaking capacity: 10kA
- Rated operational voltage: 230/400V AC
- Rated frequency: 50/60Hz
- Standard: BS IEC/EN 60898
- Ingress protection: IP20
- Mounting: 35mm DIN rail
- Width: 54mm
- Maximum cable terminal capacity: 16mm²
Explore Live Electrical distribution equipment
Planning a three-phase installation? Explore our Live Electrical TPN distribution boards for suitable distribution equipment, or browse the wider Live Electrical product range for additional circuit protection devices and installation accessories.
