Views: 0 Author: Site Editor Publish Time: 2022-07-23 Origin: Site
It has been many years that North America and Europe each have their own Switch testing standard. It is UL1054 in USA and EN61058 in Europe. UL decide to harmonize their standard to the Europe’s by introducing a new standard, UL 61058-1.
The purpose may be that that once the applicant passes the new standard’s testing, the applicant can both have North America’s approvals ( UL and CUL ) and Europe’s approvals ( ENEC and Demko ). The existing standard UL1054 can only be effective until 2015. That means switches that need UL safety mark have to get the new approval according to the new standard before that year.
This part of IEC 61058 applies to switches for appliances. The switches are intended to control electrical appliances and other equipment for household or similar purposes with a rated voltage not exceeding 480 V and a rated current not exceeding 63 A.
Switches for appliances are intended to be operated by
– A person via an actuating member,
– Indirect actuation,
– An actuating sensing unit.
Transmission of a signal between the actuating member or sensing unit and the switch may be connected by optical, acoustic, thermal, electrical or other relevant connection and may include remote controlled units.
This part of IEC 61058 applies to switches for appliances provided with additional control functions governed by the switch provided with electronic circuits and devices that are necessary for the intended and/or correct operation of the switch.
This part of IEC 61058 applies to circuitry when evaluated with a switch and necessary for the switching function.
This part of IEC 61058 applies in general to switches for appliances in conjunction with the following parts:
– Part 1-1: Requirements for mechanical switches, and/or
– Part 1-2: Requirements for electronic switches.
This part of IEC 61058 does not apply to devices covered by:
– IEC 60669 (all parts), Switches for household and similar fixed-electrical installations, and
– IEC 60730 (all parts), Automatic electrical controls.
This part of IEC 61058 does not contain requirements for safety isolating switches ( IEC 60050-811:1991, 811-29-17).
NOTE 1 For switches used in tropical climates, additional requirements may be necessary.
NOTE 2 Attention is drawn to the fact that the end product standards for appliances may contain additional or alternative requirements for switches.
NOTE 3 Throughout this part of IEC 61058, the word "appliance" means "appliance or equipment".
1DV.1 Modification of Clause 1 to add the following to indicate which switches do not apply:
These requirements do not cover switches that are covered by an existing standard such as those constructed so that they can be installed readily in a flush-device box intended to be used in a wiring system that complies with CSA C22.1 and NFPA 70. This part does not apply to switches intended to be covered within the scope of CSA C22.2 No. 111, UL 20, CSA C22.2 No. 4, UL 98, CSA C22.2 No. 205, or UL 773A.
1DV.2 Modification of Clause 1 to add the following note:
NOTE 4 The term "earthing" as used in this standard relates to "bonding."
UL Harmonized Standard Title Page
Table of Contents
SWITCHES FOR APPLIANCES – PART 1: GENERAL REQUIREMENTS
2 Normative References
3 Terms and Definitions
4 General Requirements
5 General Information on Tests
8 Marking and Documentation
9 Protection Against Electric Shock
10 Provision for Earthing
11 Terminals and Terminations
14 Protection Against Ingress of Solid Foreign Objects, Ingress of Water and Humid Conditions
15 Insulation Resistance and Dielectric Strength
18 Mechanical Strength
19 Screws, Current-Carrying Parts and Connections
20 Clearances, Creepage Distances, Solid Insulation and Coatings of Rigid Printed Board Assemblies
21 Fire Hazard
22 Resistance to Rusting
23 Abnormal Operation and Fault Conditions for Switches
24 Components for Switches
25 EMC Requirements
A (normative) Measurement of clearances and creepage distances
B(informative)Diagram for the Dimensioning of Clearances and Creepage Distances
C(normative)Proof Tracking Test
D(informative)Switch Application Guide
E(normative)Relation Between Rated Impulse Withstand Voltage, Rated Voltage and Overvoltage Category
G(normative)Impulse Voltage Test
H(normative)Altitude Correction Factors
I(normative)Types of Coatings for Rigid Printed Board Assemblies
J(normative)Measuring the Insulation Distance of a Coated Printed Board with Type 1 Coating
N(informative)Dimensions of Tabs Forming Part of a Switch
O(informative)Common End Product Standards
DVA(informative) Television rating for switches