User's Manual

Combination Starters & Starters for Group Installation
SIRIUS 3RA2 Motor Starters
3RA21 direct-on-line starters
24 V DC
6/15
SIRIUS Innovations Supplement 2011
Illustrations are approximate
6
Rated control supply voltage 24 V DC
With screw connections
• The motor starter protector and contactor are mechanically
and electrically connected by means of the link module.
• Auxiliary switches
1)
on the motor starter protector and the con-
tactor can be easily fitted due to the modular system.
• Integrated auxiliary switches:
- Contactor size S00: 1 NO;
- Contactor size S0: 1 NO + 1 NC
Combination Starter, UL508 Type F
All size S00 and S0 devices can be applied as Combination
Starters with the addition of either of these line side connectors:
3RV29 28-1H, 3RV29 25-5EB or 3RV29 28-1K.
1)
For auxiliary switches see Accessories page 6/21.
2)
Selection depends on the concrete motor full load amps. HP ratings for
reference only.
3)
Use only for mounting starter on 8US Fast Bus busbar systems.
3RA21 10
3RA21 20 3RA21 10 3RA21 20
Direct-on-line
starting
Size UL Data FLA setting
range inverse-
time delayed
overload
release
Consisting of the following
single devices
Assembled starter Weight
approx.
Single-phase
HP ratings
Three-phase
2)
HP ratings
SCCR
at
480 V
Motor
starter
protector
+ Contactor + Link
module
+ Busbar
adapter
3)
Screw terminals
115 V 230 V 200 V 230 V 460 V 575 V Order No.
kA A kg
Selection depends on motor full load amps
3RV20 3RT20 3RA
S00 -- -- -- -- -- -- 65 0.14…0.2 11-0BA10 15-1BB41 1921-1DA00
+ 8US1251-
5DS10
3RA21 10-0B@15-1BB4 0.630
-- -- -- -- -- -- 65 0.18…0.25 11-0CA10
3RA21 10-0C@15-1BB4 0.630
-- -- -- -- -- -- 65 0.22…0.32 11-0DA10
3RA21 10-0D@15-1BB4 0.630
-- -- -- -- -- -- 65 0.28…0.4 11-0EA10
3RA21 10-0E@15-1BB4 0.630
-- -- -- -- -- -- 65 0.35…0.5 11-0FA10
3RA21 10-0F@15-1BB4 0.630
-- -- -- -- -- -- 65 0.45…0.63 11-0GA10
3RA21 10-0G@15-1BB4 0.630
-- -- -- -- -- -- 65 0.55…0.8 11-0HA10
3RA21 10-0H@15-1BB4 0.630
-- -- -- -- -- 1/2 65 0.7… 1 11-0JA10
3RA21 10-0J@15-1BB4 0.630
-- -- -- -- 1/2 1/2 65 0.9… 1.25 11-0KA10
3RA21 10-0K@15-1BB4 0.630
-- 1/10 -- -- 3/4 3/4 65 1.1… 1.6 11-1AA10
3RA21 10-1A@15-1BB4 0.630
-- 1/8 -- -- 3/4 1 65
1.4… 2
11-1BA10
3RA21 10-1B@15-1BB4 0.630
-- 1/6 1/2 1/2 1 1 1/2 65 1.8… 2.5 11-1CA10
3RA21 10-1C@15-1BB4 0.630
1/10 1/4 1/2 3/4 1 1/2 2 65 2.2… 3.2 11-1DA10
3RA21 10-1D@15-1BB4 0.630
1/8 1/3 3/4 3/4 2 3 65 2.8… 4 11-1EA10
3RA21 10-1E@15-1BB4 0.630
1/6 1/2 1 1 3 3 65 3.5… 5 11-1FA10
3RA21 10-1F@15-1BB4 0.630
1/4 1/2 1 1 1/2 3 5 65 4.5… 6.3 11-1GA10
3RA21 10-1G@15-1BB4 0.630
1/3 1 2 2 5 5 65 5.5… 8 11-1HA10 16-1BB41 3RA21 10-1H@16-1BB4 0.630
1/2 1 1/2 2 3 5 7 1/2 65 7… 10 11-1JA10
3RA21 10-1J@16-1BB4 0.630
1/2 2 3 3 7 1/2 10 65 9… 12 11-1KA10 17-1BB41
3RA21 10-1K@17-1BB4 0.630
1 2 3 5 10 -- 65 11… 16 11-4AA10 18-1BB41
3RA21 10-4A@18-1BB4 0.630
S0 1/6 1/2 1 1 3 3 65 3.5… 5 11-1FA10 24-1BB40 2921-1BA00
+ 8US1251-
5NT10
3RA21 20-1F@24-0BB4 0.948
1/4 1/2 1 1 1/2 3 5 65 4.5… 6.3 11-1GA10
3RA21 20-1G@24-0BB4 0.948
1/3 1 2 2 5 5 65 5.5… 8 11-1HA10
3RA21 20-1H@24-0BB4 0.948
1/2 1 1/2 2 3 5 7 1/2 65 7… 10 11-1JA10
3RA21 20-1J@24-0BB4 0.948
1/2 2 3 3 7 1/2 10 65 9… 12.5 11-1KA10
3RA21 20-1K@24-0BB4 0.948
1 2 3 5 10 -- 65 11… 16 21-4AA10 26-1BB40
3RA21 20-4A@26-0BB4 0.948
1 1/2 3 5 5 10 -- 65 14… 20 21-4BA10
3RA21 20-4B@26-0BB4 0.948
1 1/2 3 5 7 1/2 15 -- 50 17… 22 21-4CA10 27-1BB40
3RA21 20-4C@27-0BB4 0.948
2 3 5 7 1/2 15 -- 50 20… 25 21-4DA10
3RA21 20-4D@27-0BB4 0.948
2 5 7 1/2 10 20 -- 50 27… 32 21-4EA10
3RA21 20-4E@27-0BB4 0.948
Add. weight
Order No. supplement for mounting onto standard mounting rail or screw fixing A
Screw fixing with 1 push-in lug each per motor starter is possible
(see "Accessories for Direct-On-Line and Reversing Starters").
Order No. supplement for mounting onto 60 mm busbar for size S00 1 D 0.263
With busbar adapter for size S0 2 D 0.301
© Siemens AG 2011