NORMSERVIS s.r.o.

IEEE C37.20.1a-2020

IEEE Standard for Metal-Enclosed Low-Voltage (1000 V ac and below, 3200 V dc and below) Power Circuit Breaker Switchgear - Amendment 1: Control and Secondary Circuits and Devices, and All Wiring

STANDARD published on 13.5.2020

English -
electronic (protected pdf) - Immediate download (58.00 USD)

English -
Print design (73.00 USD)

The information about the standard:

Designation standards: IEEE C37.20.1a-2020
Note: Change
Publication date standards: 13.5.2020
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: International technical standard
Category: Technical standards IEEE

Annotation of standard text IEEE C37.20.1a-2020 :

Amendment Standard - Active.
The requirements for control, secondary, and logic-level wiring are addressed in this amendment. It covers wire type, ampacity, and methods for protecting wiring across a hinge.

ISBN: 978-1-5044-6555-7, 978-1-5044-6556-4
Number of Pages: 16
Product Code: STD24115, STDPD24115
Keywords: circuit breaker, control, cumulative loading, current transformers, drawout, IEEE C37.20.1, IEEE C37.20.1a, indoor, instrumentation, load current-carrying, metal-enclosed, metering, outdoor, protection, stationary, switchgear
Category: Switchgear