Brochures and Data Sheets

ATS Switchboards
An automatic transfer switchboard is a switch-
board containing two or more automatic transfer
switches in a common line-up. The switchboard
shown in figure 5 contains two ASCO 962, 2000
ampere, automatic transfer bypass-isolation
switches with circuit breakers on the normal and
load side of each switch. An ammeter and volt-
meter are also located on the load side of each
switch.
Product Features
• Connects multiple automatic transfer switches
together in a common switchboard.
• Optional normal and/or emergency circuit
breakers for overcurrent protection.
• Optional distribution circuit breakers of the size and
type to meet customer load requirements.
• Optional instrument meters for normal,
emergency, or load for local monitoring.
• Designs can be provided with a UL 891 Label
containing up through a 10,000 ampere main bus.
• Utilizes ASCO 940, 962, 434, 436 and ASCO's new
7000 series automatic transfer switches.
Page 5
Source #1
ATS/BP #1
ATS/BP #2
Source #2
Load
Load
Circuit
Breaker
Circuit
Breaker
Circuit
Breaker
Circuit
Breaker
43
A
43
V
43
A
43
V
Fig. 5 Automatic transfer switchboard.
Fig. 6 One line diagram of the automatic transfer switchboard shown in figure 5.
V - Voltmeter
A - Ammeter
43 - Selector Switch
ATS/BP - Automatic Transfer and
Bypass-Isolation Switch