ABB Modures LZ92-1 User Manual

4
- signalling unit AV91 and/or AV94 (1 T) •
- auxiliary supply unit NF92 (3 T), a DC/DC converter for generating the inter-
nal relay supply voltages.
- test socket connector XX91 (option) (3 T) .
- auto-reclosure relay WT91 (option) (4 T).
- pilot wire units ER91 and NR91 (option) (4 Teach).
'rhese instructions apply to the basic versions of the distance relays,
i.e. relays equipped with EW91 and either KI91, KZ91 or KZ91-1 and also
an auxiliary supply unit.
There are two versions of the input transformer and main processing
units available, which have resulted from further technical develop-
ment and which are described in these instructions (see Section 3.12).

ABB Modures LZ92-1 Specifications

General

Brand	ABB
Model	Modures LZ92-1
Category	Relays
Language	English