Cost price SEL-487E Transformer Protection Relay
Provides comprehensive protection, metering, monitoring, and automation of power transformer applications with up to five 3-phase restraint current inputs, two 3-phase voltage inputs, and three
Cost price Electrical Mechanical Relay Selection Guide
Offering the global standard in safety. Meeting our customers'' every need with numerous variations. We largely divide relays based on the maximum switching current value. Note: Take note of coil polarity.
Cost price IEEE Guide for Protective Relay Applications to Transmission Lines
The purpose of this guide is to provide a reference for the selection of relay schemes and to assist less experienced protective relaying engineers in applying protection schemes to transmission lines.
Cost price Selector Guides
Selector Guides GE''s unique tool for identifying the best solutions for protection & control across the entire power system
Cost price Electromechanical Relays Selection Guide
The GRF172 Centigrid® relay is a hermetically sealed, armature relay for 2.5GHz RF applications. Its low profile height .330” (8.38 mm) and .100” (2.54 mm) grid spaced terminals make it an ideal choice
Cost price 2017 EMR Selection Guide dd
The Series RF180 relay is a hermetically sealed, magnetic-latching relay featuring extremely low intercontact capacitance for exceptional RF performance over the full UHF spectrum.
Cost price Power System Protective Relays: Principles & Practices
Protective relays and devices have been developed over 100 years ago to provide “lastline”of defense for the electrical systems. They are intended to quickly identify a fault and isolate it so the balance of
Cost price Mechanical Relay Selection Guide
High temperature compatible power relay with Max. Switching Voltage of 800 VAC, Supports normal/reverse polarity DC load switching, Rated carry current of 150 A, Contact gap of 3.6 mm min.
Cost price Relay Selection Guide Overview | PDF | Switch | Relay
It includes tables that summarize the key features, contact configurations, coil voltages, electrical ratings, sizes, terminal types, and approvals for each relay series.
Cost price SELECTION GUIDE
From high frequency relays for antenna switching to power control relays for end-user equipment, TE''s relay products ofer the vast communications market an array of components.
Cost price Basic protection relay knowledge
A fast and selective arc fault mitigation for air-insulated LV & MV switchgear and Relion protection and control relays and sensor technology protect staff and plant facilities for many years.
Cost price Protection relay selection table
Protection relay selection table Please note before using selection table! number = Number of stages, shots, X = Function supported inputs or outputs O = Function available as option
Cost price Practical handbook for relay protection engineers | EEP
The norms of protection of generators, transformers, lines and capacitor banks are also given. The procedures of testing switchgear, instrument transformers and relays are explained in detail.