Description

Siemens Reyrolle 7PG11 Auxiliary Tripping Relays

The range comprises electro-mechanical relays for a range of auxiliary and tripping functions. Various combinations of coils, contacts, operation indicator flags can be specified. Options are also available for operate and reset modes. Siemens Reyrolle 7PG11 Auxiliary Tripping Relays – general auxiliary functions? repeats, indications, scheme logic FR relays.

Features

Type AR relays are a range of electro-mechanical relays with up to 8 contacts and complying with IEC 61850. They can be supplied in most combinations of contact, flag and reset arrangements. The relays are identified by a series of numbers and letters which define important relay features. The following comments are provided as a guide to the various features of type AR relays.

Functions

The relays are identified by a series of numbers and letters which define important relay features.

• AR – 1
  Up to 8 self reset contacts, in any combination of normally open or normally closed as required.
• AR – 2
  Up to 8 self reset contacts, in any combination of normally open or normally closed as required.
• AR – 3
  Electrical and hand set contacts supplied with a contact reset mechanism in the relay case cover.
• AR – 4
  Hand and self reset contacts, can be supplied with 2 hand reset contacts and a maximum of 4 self reset contacts. All the contacts may be either normally open or normally closed.
• AR – 6
  Electrical reset contacts with optional self-reset flag.
• AR? 3 & 6
  Reset coils are short time rated, we recommend that reset circuits include a normally open (cut-off) contact.

The comprehensive range of Reyrolle products provides the total protection requirements of distribution markets and industrial applications – ranging from overcurrent protection via transformer protection and voltage control to a full spectrum of auxiliary and trip relays. The portfolio includes many famous products such as “Argus, “Duobias”, “Solkor”, “Rho, etc. Through successive generations, Reyrolle numerical products have been developed to increase value to system operators. Discover the portfolio!