Siemens SIRIUS 3RT Series System Manual page 471

"Manual motor controller suitable for tap conductor protection in group installations" (up to 32 A)
3RV20 motor starter protector as "Manual Motor Controller Suitable for Tap Conductor Protection in
Group Installations"
The "Manual Motor Controller Suitable for Tap Conductor Protection in Group Installations"
application is only applicable in the case of UL.
The CSA does not recognize this approval! Upstream short-circuit protection is always
implemented if the motor starter protector is used as a "Manual Motor Controller Suitable for
Tap Conductor Protection in Group Installations". This requires approved fuses (according to
UL 248) or a circuit breaker (according to UL 489).
These devices must be dimensioned according to the National Electrical Code installation
regulation.
3RV20 motor starter protectors are approved as "Manual Motor Controller Suitable for Tap
Conductor Protection in Group Installations" under the following file number:
● UL File No. 47705, CCN: NLRV
Motor starter protector
Type
Size S00
3RV20 11
FLA
12.5 A; 600 V
Size S0
3RV20 21
FLA
32 A, 480 V
hp-rating= power in horse power (maximum motor power).
1)
FLA= Full Load Amps/motor full-load current
2)
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
V
max. 16 A; 480 V 115
2)
200
230
460
575/600
max. 115
2)
200
230
460
575/600
SIRIUS 3RV2 motor starter protectors
4.10 Technical data
hp-rating for FLA
1) 2)
max.
1-phase 3-phase
1 2
2 3
2 5
-- 10
-- 10
2 5
3 7 1/2
5 10
-- 20
-- --
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