TS 840 TRANSFER SWITCH
PM057 REV 8 10/01/25
10
Thomson Technology
4.1.
PRODUCT MODEL CODE
The type of TS 840 series transfer switch supplied is identified by way of a 21 digit product
code which appears on the equipment rating plate (MODEL) on the door of the transfer
switch, and on the transfer switch drawings. The model code structure and definitions are
as follows:
1
2
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
T S
8 4
1-3. SERIES
12. APPLICATION
18. UTILITY SWITCHING DEVICE
TS - TRANSFER SWITCH
A - STANDARD
K - MOLDED CASE SWITCH (100 - 800 A)
B - SERVICE ENTRANCE
M - MOLDED CASE SWITCH C/W THER-MAG
4 & 5. MODEL
TRIP (100-200A)
84 - 840 SWITCH
13. OPERATION TYPE
N - MOLDED CASE SWITCH C/W ELECTRONIC
1 - OPEN TRANSITION
TRIP (250-800A)
6. POLES
2 - 2 POLE
14 . SAFETY STANDARDS
19. GENERATOR SWITCHING DEVICE
3 - 3 POLE
A - UL 1008
K - MOLDED CASE SWITCH (100 - 800 A)
B - CSA C22.2 NO 178
M - MOLDED CASE SWITCH C/W THER-MAG
7. CONFIGURATION TYPE
TRIP (100-200A)
A - ATS
15 . VOLTAGE
N - MOLDED CASE SWITCH C/W ELECTRONIC
1
f
3 WIRE
TRIP (250-800A)
8 - 11. AMPERAGE
D - 120/240
0100
3
f
4 WIRE
(GROUNDED NEUTRAL)
20. POWER CONNECTIONS
0150
E - 120/208
A - STANDARD
0200
G - 120240 (DELTA)
0250
21. ATS CONNECTION CONFIGURATION
0400
16. CONTROLLER
A - STANDARD
0600
1 - TSC80
0800
17. ENCLOSURE TYPE
D - NEMA3RSD, ASA #61 GREY