Publisher : CEI

CEI EN 50539-11 PDF

Low-voltage surge protective devices - Surge protective devices for specific application including d.c. Part 11: Requirements and tests for SPDs in photovoltaic applications

Document status: [ Withdrawn ]

$105.00
CEI EN 50539-11 PDF

Low-voltage surge protective devices - Surge protective devices for specific application including d.c. Part 11: Requirements and tests for SPDs in photovoltaic applications

Document status: [ Active ]

$95.00
CEI EN 50540 PDF

Conductors for overhead lines - Aluminium Conductors Steel Supported (ACSS)

Document status: [ Active ]

$104.00
CEI EN 50541-1 PDF

Three phase dry-type distribution transformers 50 Hz, from 100 to 3150 kVA, with highest voltage for equipment not exceeding 36 kV Part 1: General requirements

Document status: [ Withdrawn ]

$63.00
CEI EN 50541-2 PDF

Three phase dry-type distribution transformers 50 Hz, from 100 to 3 150 kVA, with highest voltage for equipment not exceeding 36 kV Part 2: Determination of loadability of a transformer loaded with nonsinusoidal current

Document status: [ Withdrawn ]

$14.00
CEI EN 50543 PDF

Electronic portable and transportable apparatus designed to detect and measure carbon dioxide and/or carbon monoxide in indoor ambient air Requirements and test methods

Document status: [ Active ]

$38.00
CEI EN 50545-1/A1 PDF

Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides

Document status: [ Active ]

$13.00
CEI EN 50545-1 PDF

Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides

Document status: [ Active ]

$106.00
CEI EN 50545-1 PDF

Electrical apparatus for the detection and measurement of toxic and combustible gases in car parks and tunnels Part 1: General performance requirements and test methods for the detection and measurement of carbon monoxide and nitrogen oxides

Document status: [ Active ]

$118.00
CEI EN 50546/AC PDF

Railway applications - Rolling Stock - Three phase shore (external) supply system for rail vehicles and its connectors

Document status: [ Active ]