Product specifications

SB821 External Battery – AC 800M Memory Back-up Appendix A Hardware Units

392 3BSE036351-510 A

SB821 External Battery – AC 800M Memory Back-up

Description

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),

2 m (2.2 yd.) in length.

SB821

SB821 3.6V Lithium Battery Unit

Note the warning

text on the battery.

B– B+ SH