AS 2481-1981
Withdrawn
All-or-nothing electrical relays (instantaneous and timing relays)
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
English
01-01-1981
06-30-2017
Specifies all-or-nothing relays that have contacts in their output circuits (the term includes relays with specified time, but not measuring relays). Includes definitions of more than 90 terms, specifies standard values for parameters and influence quantities, and covers performance in terms of accuracy, temperature rise, mechanical durability and contact life. Appendices explain the concepts and provide guidance.
| Committee |
EL-028
|
| DocumentType |
Standard
|
| ISBN |
0 7262 2306 9
|
| Pages |
59
|
| PublisherName |
Standards Australia
|
| Status |
Withdrawn
|
| Supersedes |
| AS 3947.5.1-1995 | Low-voltage switchgear and controlgear Control circuit devices and switching elements - Electromechanical control circuit devices |
| AS 3947.5.2-1995 | Low-voltage switchgear and controlgear Control circuit devices and switching elements - Proximity switches |
| AS 4428.0-1997 | Fire detection, warning, control and intercom systems - Control and indicating equipment General requirements and test methods (Reconfirmed 2016) |
| AS 2067-1984 | Switchgear assemblies and ancillary equipment for alternating voltages above 1 kV |
| AS 1243-1982 | Voltage transformers for measurement and protection |
| AS 2362.9-1990 | Automatic fire detection and alarm systems - Methods of test for actuating devices - High frequency disturbance test |
| AS 3947.4.1-1995 | Low-voltage switchgear and controlgear Contactors and motor-starters - Electromechanical contactors and motor-starters |
| AS 3190-1994 | Approval and test specification - Residual current devices (current-operated earth-leakage devices) |
| AS 2220.1-1989 | Emergency warning and intercommunication systems in buildings Equipment design and manufacture |
| AS 2362.8-1990 | Automatic fire detection and alarm systems - Methods of test for actuating devices - Impulse voltage withstand test |
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