What is the BS number for a main switch?
BS EN 60947-3.. switches, disconnectors, switch disconnectors and fuse combination units.
What BS number is a MCB?
3. – Circuit breakers, miniature and moulded case types to BS EN 60898.
What is the BS number for a double pole main switch?
BS EN 60947-3
Double Pole Switch Disconnector. Complies with BS EN 60947-3.
What is the current rating of a main switch?
Current Rating of a Switch in Amperes: Safe maximum: switches, plugs, breakers, connectors, wires etc have a safe max amps. Maximum Current: A 15 Amps switch maximum current rating is 15 Amps i.e. it can be installed on circuit having maximum 15A load current.
What are BS EN numbers?
The display of a British Standard number (eg: BS 1234), on for instance a consumer product, shows that the manufacturer claims to have made the product in accordance with the British Standard. Sometimes BS will be accompanied by the letters EN and/or ISO.
What is a BS 60947-3?
What is BS EN 60947-3:2021 about? This is Part 3 in a multi-part series of European standards on low-voltage switchgear and controlgear. BS EN 60947-3:2021 sets out the requirements that apply to switches, disconnectors, switch-disconnectors and fuse-combination units.
What is the BS number?
What is a BS 4293?
BS4293 is the old BS standard for an RCD. The Crabtree C50 RCBOs are marked BS4293 so that has overload protection.
How do you find the rating of a switch?
Switches are rated according to their electrical characteristics. The rating of a switch is determined by such factors as contact size, contact material, and contact spacing. There are two basic parts to a switch rating-the current and voltage rating. For example, a switch may be rated at 250 volts dc, 10 amperes.
How do BS EN numbers work?
BS:EN. An EN number is the number given to a product to signify the standard to which that particular product has been manufactured. The EN number is an 8 digit code. Each digit represents the rating of a particular feature of the product.
What are BS and ISO standards?
BS EN ISO – all refer to organisations which initiate, publish and maintain standards. Standards are documents which specify requirements for processes, equipment, workmanship and parameters. Standards are often used as the basis for contracts between businesses.