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download between 0-24 hoursReleased: 2019-08-16
IEC 62912-2:2019
Railway applications - Direct current signalling monostable relays - Part 2: Spring type relays
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| Standard number: | IEC 62912-2:2019 |
| Released: | 2019-08-16 |
| Edition: | 1 |
| ICS: | 45.060.01 |
| Pages (English): | 24 |
| ISBN (English): | 9782832272022 |
DESCRIPTION
IEC 62912-2:2019
IEC 62912-2:2019 gives requirements for direct current relays intended for safety-related applications in railway signalling installations.
This document is applicable to non-proved signalling monostable relays of the spring type, whose return force is generated by elasticity of spring.
The return force can be provided either from a separate spring and/or from the contact springs themselves.