SIRIUS 3RV2 motor starter protectors
4.5 Configuration
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
395
4.5.10 Devices for North America (UL/CSA)
4.5.10.1 Approved according to UL 508/CSA C22.2 No. 14
The motor starter protectors in the 3RV2 series are approved for UL/CSA and can be used
conforming to UL 508 and CSA C22.2 No.14 individually or as load feeders in conjunction
with a contactor.
These motor starter protectors can be used as "Manual Motor Controller" for "Group
Installations", as "Manual Motor Controller Suitable for Tap Conductor Protection in Group
Installations", and as "Self-Protected Combination Motor Controller (Type E)".
"Manual motor controller", group installation
3RV2 motor starter protector as "Manual Motor Controller"
Upstream short-circuit protection is always implemented if the motor starter protector is used
as a "Manual Motor Controller". This requires approved fuses (according to UL 248) or a
circuit breaker (according to UL 489/CSA C22.2 No. 5-02). These devices must be
dimensioned according to the National Electrical Code (UL) or Canadian Electrical Code
(CSA) installation regulation respectively.
The file numbers for the approval of the 3RV as a manual motor controller are as follows:
● UL File No. 47705, CCN: NLRV
● CSA Master Contract 165071, Product Class: 3211 05
"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
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