THOMSON TS 880 User Manual

TS 880 TRANSFER SWITCH
PM064 REV 8 10/01/25 Thomson Technology
TABLE OF CONTENTS
1. PRODUCT REVISION HISTORY 1
2. EQUIPMENT STORAGE 1
2.1. ENVIRONMENTAL CONDITIONS 1
2.1.1. EQUIPMENT STORAGE 2
2.1.2. EQUIPMENT OPERATING 2
3. NOTES TO INSTALLER 2
3.1. UPSTREAM CIRCUIT PROTECTIVE DEVICES/ELECTRICAL CONNECTIONS 2
3.2. TRANSFER SWITCHES WITH INTEGRAL OVER CURRENT PROTECTION 3
3.3. TRANSFER SWITCHES WITH MULTI-TAP VOLTAGE CAPABILITY 3
3.4. SYSTEM PHASING-HIGH LEG DELTA SYSTEMS 4
3.5. REMOTE START CONTACT FIELD WIRING 5
3.6. DIELECTRIC TESTING 6
3.7. MOUNTING OF ENCLOSED TRANSFER SWITCHES 6
4. GENERAL DESCRIPTION 9
4.1. PRODUCT MODEL CODE 10
4.2. TYPICAL COMMISSIONING PROCEDURES 11
5. GENERAL THEORY OF OPERATION 11
5.1. STANDARD AUTOMATIC TRANSFER SWITCH 11
5.1.1. NORMAL SEQUENCE OF OPERATION - OPEN TRANSITION 11
5.1.2. NORMAL SEQUENCE OF OPERATION - CLOSED TRANSITION 12
5.2. SERVICE ENTRANCE AUTOMATIC TRANSFER SWITCH 16
5.2.1. NORMAL OPERATION 16
5.2.2. OVER CURRENT TRIP 17
5.2.3. SERVICE DISCONNECT PROCEDURE 17
5.2.4. ADDITIONAL PROCEDURES 19
5.3. TEST MODES 21

THOMSON TS 880 Specifications

General

Brand	THOMSON
Model	TS 880
Category	Switch
Language	English