Ltb circuit breker

Live Tank Circuit Breakers Buyer’s Guide

Table of contents

Page

Products

Introduction Explanations Puffer, Auto-Puffer™ Design features and advantages: LTB circuit breaker family HPL circuit breaker family BLK operating mechanism BLG operating mechanism FSA1 operating mechanism MD Motor Drive operating mechanism

3 4 18

21 24 27 32 36 40

Technical information

Technical catalogues LTB circuit breaker family HPL circuit breaker family BLK operating mechanism BLG operating mechanism FSA1 operating mechanism MD Motor Drive operating mechanism Optional for special applications: Composite Insulators Controlled Switching Monitoring Seismic withstand capability Quality control and testing Inquiry data 108 110 116 120 122 124 46 66 81 89 97 106

2 Product information | ABB Live Tank Circuit Breakers — Buyer´s Guide

Exceeding Customer Expectations — ABB Live Tank Circuit Breakers
ABB has over a century of experience in developing, testing and manufacturing high voltage circuit breakers. Through the years, our circuit breakers have acquired a reputation for high reliability and long life in all climates and in all parts of the world. ABB is currently introducing the future technology for high voltage circuit breakers. Our design work with constant improvements and simplification of our products have resulted in; 550 kV circuit breakers without grading capacitors; the Motor Drive with a servo motor system that accurately controls and monitors the contact operation and the LTB D circuit breakers with FSA1 that provide fast and simple installation at site. Our development program is strongly focused on providing added value for our customers. Our apparatus are manufactured in a workshop where we continuously are working with improvements regarding quality, work environment, environment and safety.

Product range

Type

Maximum rated voltage (kV)

Maximum rated current (A) 3150 4000 4000 4000 4000 4000 4000

Maximum rated breaking current