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BS EN 50434:2014

Current
Current

The latest, up-to-date edition.

Safety of household and similar appliances. Particular requirements for mains operated shredders and chippers
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-30-2014

Publisher

British Standards Institution

Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 General requirements
5 General conditions for the tests
6 Classification
7 Marking and instructions
8 Protection against access to live parts
9 Starting of motor-operated appliances
10 Power input and current
11 Heating
12 Void
13 Leakage current and electric strength at
   operating temperature
14 Transient overvoltages
15 Moisture resistance
16 Leakage current and electric strength
17 Overload protection of transformers and
   associated circuits
18 Endurance
19 Abnormal operations
20 Stability and mechanical hazards
21 Mechanical strength
22 Construction
23 Internal wiring
24 Components
25 Supply connection and external flexible cables
   and cords
26 Terminals for external conductors
27 Provision for earthing
28 Screws and connections
29 Creepage distances, clearances and distances
   through insulation
30 Resistance to heat, fire and tracking
31 Resistance to rusting
32 Radiation, toxicity and similar hazards
Annexes
Annex AA (normative) - Safety signs
Annex BB (informative) - Methods of combining round,
         square and slot shapes <= 50 mm complying
         with safety distance >= 20 mm
Annex CC (normative) - Test enclosure
Annex DD (normative) - Target panels - Specification for
         corrugated fibreboard
Annex EE (informative) - Safety instructions for
         shredders/chippers
Annex FF (normative) - Noise test code - Engineering
         method (Grade 2)
Annex GG (informative) - Example of a material and
         construction fulfilling the requirements
         for an artificial surface
Annex ZZ (informative) - Coverage of Essential
         Requirements of EU Directives
Bibliography

Describes safety requirements and their verification for the design and construction of hand fed, shredders/chippers with integral electric motor, not exceeding 250 V single phase, with or without vacuum assisted collection which are designed to reduce organic material to smaller pieces and are used in a stationary position by an operator standing on the ground.

Replacement: This European Standard specifies safety requirements and their verification for the design and construction of hand fed, shredders/chippers with integral electric motor, not exceeding 250V single phase, with or without vacuum assisted collection which are designed to reduce organic material to smaller pieces and are used in a stationary position by an operator standing on the ground. This standard applies to shredders/chippers with feed intake openings or segments, in this standard referred to as feed safety openings that in total will fit into a square of 250mm x 250mm. NOTE For the requirements for the measurement of the square of 250mm x 250mm are given in clause20.101.1 of this standard. In this European Standard shredders and chippers are referred to collectively as machine(s). This European Standard does not cover requirements for machines powered by combustion engines; NOTE1 Combustion engine driven machines are covered by EN13683 . machines driven by an external power source or by battery power; machines with powered discharge intended to broadcast material or load vehicles; machines with mechanically powered feed intake or attachments; wood chippers for agricultural, lawn and park and forestry use; NOTE2 Wood chippers are covered by EN13525 . machines powered from a 3 phase supply. This European Standard deals with all significant hazards presented by shredders/chippers when they are used as intended and under conditions of misuse which are reasonably foreseeable. EMC and environmental aspects, except noise, have not been considered in this European Standard. This European Standard is not applicable to machines which are manufactured before the date of publication of this document by CENELEC.

Committee
CPL/116
DevelopmentNote
Supersedes 04/30111436 DC. (09/2014)
DocumentType
Standard
Pages
64
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN 50434:2014 Identical

ISO 7010:2011 Graphical symbols Safety colours and safety signs Registered safety signs
ISO 4871:1996 Acoustics — Declaration and verification of noise emission values of machinery and equipment
ISO 3744:2010 Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane
ISO 354:2003 Acoustics — Measurement of sound absorption in a reverberation room
ISO/TR 11688-1:1995 Acoustics Recommended practice for the design of low-noise machinery and equipment Part 1: Planning
ISO 3767-3:2016 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment Symbols for operator controls and other displays Part 3: Symbols for powered lawn and garden equipment
EN ISO 13857:2008 Safety of machinery - Safety distances to prevent hazard zones being reached by upper and lower limbs (ISO 13857:2008)
ISO 12100:2010 Safety of machinery — General principles for design — Risk assessment and risk reduction
EN ISO 11201:2010 Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections (ISO 11201:2010)
EN ISO 354:2003 Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:2003)
ISO 3767-1:2016 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment Symbols for operator controls and other displays Part 1: Common symbols
EN ISO 3744:2010 Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane (ISO 3744:2010)
ISO 13849-2:2012 Safety of machinery — Safety-related parts of control systems — Part 2: Validation
ISO 13857:2008 Safety of machinery Safety distances to prevent hazard zones being reached by upper and lower limbs
ISO 3767-5:2016 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment — Symbols for operator controls and other displays — Part 5: Symbols for manual portable forestry machines
EN ISO 12100:2010 Safety of machinery - General principles for design - Risk assessment and risk reduction (ISO 12100:2010)
EN ISO 13849-2:2012 Safety of machinery - Safety-related parts of control systems - Part 2: Validation (ISO 13849-2:2012)
EN ISO 13849-1:2015 Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2015)
EN ISO 4871:2009 Acoustics - Declaration and verification of noise emission values of machinery and equipment (ISO 4871:1996)
EN ISO 11688-1:2009 Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 1: Planning (ISO/TR 11688-1:1995)
ISO 13849-1:2015 Safety of machinery — Safety-related parts of control systems — Part 1: General principles for design
EN ISO 7010 : 2012 AMD 7 2017 GRAPHICAL SYMBOLS - SAFETY COLOURS AND SAFETY SIGNS - REGISTERED SAFETY SIGNS (ISO 7010:2011/AMD 7:2016)
ISO 11201:2010 Acoustics Noise emitted by machinery and equipment Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections
ISO 11684:1995 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment — Safety signs and hazard pictorials — General principles

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