NBN EN 60255-3 : 1998

SECTION 1 - GENERAL
1 Scope and object
2 Definitions
SECTION 2 - REQUIREMENTS
3 Standard values
4 Accuracy
5 Overshoot time
SECTION 3 - TEST METHODS
6 Accuracy tests
7 Test conditions for the measurement of overshoot
Annex ZA Normative references to international publications
with their corresponding European publications

Applies to electrical measuring relays and protection equipment with a single input energizing quantity, where the operating time is independent or dependent on this quantity. Intended to state the particular requirements for these relays. Does not include thermal relays defined in IEC 60255-8(1990).