EngLib USM > @i* Standard > British Standard >

BS EN 61812-1:1997 Specified time relays for industrial use - Part 1. Requirements and tests

Description Printed version of this is available at library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail. Abstract This part of IEC 1812 applies to specified time relays, such as time delay relays, in accordance with definitions as laid down in IEC 50(446), for use in industrial applications (e.g. control, automation, signal and industrial equipment). The term “relay” as used in this standard comprises all types of relays, other than measuring relays, with specified time function. Depending on the field of application of these relays (e.g. for electricity generation, transmission and distribution), further standards may be applicable.

Primary Item Type: British Standard Identifiers: ISBN 0 580 27401 2 ICS 29.120.70 Relays Language: English Subject Keywords: Time-delay relays; Surges (electrical); Identification methods; Impact testing; Strength of materials; Rated power; Humidity; Electromagnetic compatibility; Ratings; Endurance testing; Accuracy; Mechanical testing; Protected electrical equipment; Leakage paths; Relays; Fire resistance; Vibration testing; Industrial; Marking; Electrical protection equipment; Electrical equipment; Electrical testing First presented to the public: 3/27/2026 Original Publication Date: 6/15/1997 Previously Published By: British Standards Institution Place Of Publication: London, United Kingdom Citation: Extents: Number of Pages - 30 License Grantor / Date Granted:   / ( View License ) Date Deposited 2026-03-27 16:55:57.998 Submitter: Engku Shahidil Engku Ab Rahman

All Versions

• Help | 
• About | 
• Privacy Policy