3RA2921-1AA00
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| Заказной номер | Вес | PG | Описание продукта | Цена |
| 3RA2921-1AA00 | 0.001 | 41B | СОЕДИНИТЕЛЬНЫЙ МОДУЛЬ. ВИНТ.. ЭЛЕКТР. И МЕХ. СОЕДИНЕНИЕ. ДЛЯ 3RV2.21 И 3RT2.2.. ПРИМЕНЕНИЕ ДЛЯ АС-ЦЕПЕЙ | 6.9 |
Accessories for "Self-Protected Combination Motor Controllers (Type E)" according to UL 508
The 3RV20 motor starter protectors are approved according to UL 508 as "Self-Protected Combination Motor Controllers (Type E)".
This requires increased clearance and creepage distances (1 inch and 2 inches respectively) at the input side of the device, which are achieved by mounting terminal blocks. The 3RV29 28-1H terminal block is simply screwed onto the basic unit.
SIRIUS 3RV29 28-1H terminal blocks
Another way to obtain the increased clearance and creepage distances for Type E is to mount the 3RV29 28-1K phase barriers.
Special three-phase feeder terminals are required for constructing "Type E Starters" with an insulated three-phase busbar system(see "Busbar Accessories").
Note:
According to CSA, these terminal blocks and the phase barriers can be omitted when the device is used as a "Self-Protected Combination Motor Controller" (Type E).
Link modules
Feeders can be easily assembled from single devices with the help of the link modules. The following table shows the different combination options for devices with screw or spring-type terminals.
|
Combination device |
3RV2 motor starter protectors |
3RT2 contactors; 3RW30, 3RW40 soft starters; 3RF34 solid-state contactors |
Link modules |
|
|---|---|---|---|---|
|
Size |
Size |
Screw terminals |
Spring-type terminals |
|
|
Link modules for connecting switching devices to 3RV2 motor starter protectors1) |
||||
|
3RT2 contactors with AC or DC coil |
S00 |
S00 |
3RA19 21-1DA00 |
3RA29 11-2AA00 |
|
S0 |
S00 |
-- |
||
|
3RT2 contactors with AC coil |
S0 |
S0 |
3RA29 21-1AA00 |
3RA29 21-2AA00 |
|
S00 |
S0 |
-- |
||
|
3RT2 contactors with DC coil |
S0 |
S0 |
3RA29 21-1BA00 |
3RA29 21-2AA00 |
|
S00 |
S0 |
-- |
||
|
3RW30 soft starters |
S00 |
S00 |
3RA29 21-1BA00 |
3RA29 11-2GA00 |
|
S0 |
S00 |
-- |
||
|
3RW30/3RW40 soft starters |
S0 |
S0 |
3RA29 21-1BA00 |
3RA29 21-2GA00 |
|
S00 |
S0 |
-- |
||
|
3RF34 solid-state contactors |
S00/S0 |
S00 |
3RA29 21-1BA00 |
-- |
|
Hybrid link modules for connecting contactors with spring-type terminals to 3RV2 motor starter protectors with screw terminals1) |
||||
|
3RT2 contactors with AC or DC coil |
S00 |
S00 |
3RA29 11-2FA00 |
-- |
|
3RT2 contactors with AC or DC coil |
S0 |
S0 |
3RA29 21-2FA00 |
-- |
Note:
Link modules and hybrid link modules up to max. 32 A can be used.
1) The link modules and the hybrid link modules cannot be used for the 3RV2. 21-4PA1., 3RV2. 21-4FA1., 3RV27 and 3RV28 circuit breakers.