ABB AC 800M

Appendix A Hardware Units SB821 External Battery – AC 800M Memory Back-up
3BSE 027 941 R301 193
SB821 External Battery – AC 800M Memory Back-up
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The SB821 battery unit is used as an external
power supply to provide extended memory
back-up for the AC 800M Controller. The unit is
DIN-rail mounted and provided with a separate
connecting cable (TK821V020), 2m (2.2yd.) in
length.
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Table 60. SB821 – External battery data
Item Value
Battery Type Low rate lithium,
3.6V, 16Ah
Size ANSI size D
IEC size R20
Lithium content 5.6 g (0.18 oz.)
Back-up-time See data for the PM8xx
unit
Dimensions W 85.6 x D 51 x H 136 mm
(3.4 x 2 x 5.4 in)
Weight 600 g (1.3 lb) (package
with SB821,battery and
TK821V020)
SB821
!
SB821 3.6V Lithium Battery Unit
Note the warning
text on the battery.
X1
B– B+ SH