China LCRV6-E Built-in Bypass Soft Starter - Top Suppliers & Factory Product with Cloud Function and Mobile Control
Product Overview
LCRV6-E Built-in bypass soft starter itself contains a bypass contactor, when we designed it. It will through the relay control the running of the inside dc contactor to replace the thyristor that has completed the start-up task, and offer full voltage for the normal operation of the motor to cut down the heat loss of thyristor, when the motor comes to the rated speed.
Advantages
The installation and wiring of the motor soft starter are simple, and it requires very little space in the cabinet.
Disadvantages & Limitations
The price is relatively high, proper ventilation and heat dissipation in the cabinet must be considered, and it can only match with a single motor.
Specification of LCRV6-E Built-in Bypass Soft Starter
| No. | Specification | Package Weight (kg) | Size Information (mm) |
|---|---|---|---|
| 1 | I-V6-22E | 5.4 |
Frame I Product: 285*150*195 Installation: 255*135 Package: 335*195*235 Carton: 4pcs/ctn Frame II Product: 370*210*245 Installation: 325*150 Package: 455*260*300 Carton: 2pcs/ctn Frame III Product: 450*260*255 Installation: 475*228 Package: 590*315*350 Carton: 1pc/ctn Frame IV Product: 525*300*275 Installation: 550*266 Package: 685*345*385 Carton: 1pc/ctn Frame V Product: 570*400*295 Installation: 595*352 Package: 760*450*40 Carton: 1pc/ctn Opening dimensions of panel: H112*W88 |
| 2 | I-V6-30E | 5.4 | |
| 3 | I-V6-37E | 5.4 | |
| 4 | I-V6-45E | 5.4 | |
| 5 | I-V6-55E | 5.5 | |
| 6 | I-V6-75E | 5.7 | |
| 7 | II-V6-90E | 9.5 | |
| 8 | II-V6-115E | 10.35 | |
| 9 | II-V6-132E | 22.8 | |
| 10 | III-V6-160E | 22.8 | |
| 11 | III-V6-185E | 22.8 | |
| 12 | III-V6-200E | 22.8 | |
| 13 | III-V6-220E | 22.8 | |
| 14 | IV-V6-250E | 33.1 | |
| 15 | IV-V6-280E | 33.1 | |
| 16 | IV-V6-320E | 33.1 | |
| 17 | IV-V6-350E | 33.1 | |
| 18 | V-V6-400E | 50 | |
| 19 | V-V6-450E | 50 | |
| 20 | V-V6-500E | 50 |
Frequently Asked Questions (FAQ)
Q1: How does the built-in bypass contactor in the LCRV6-E function?
The LCRV6-E controls the internal DC contactor via a relay to replace the thyristor once the motor reaches its rated speed. This supplies full voltage for normal operation and minimizes the heat loss of the thyristor.
Q2: What are the main benefits of using the LCRV6-E soft starter?
The primary advantages are its simple installation and wiring process, along with its compact design which requires minimal cabinet space.
Q3: What cabinet environment factors should be considered for installation?
Due to the heat dissipation needs of the unit, you must properly plan and consider the ventilation and heat dissipation conditions inside the cabinet during installation.
Q4: Can one LCRV6-E soft starter control multiple motors?
No, the LCRV6-E motor soft starter is designed and configured to match with only a single motor for operation.
Q5: How many different frame sizes are available for the LCRV6-E series?
The LCRV6-E series is available in five distinct frame sizes (Frame I to Frame V) to accommodate different specifications, package weights, and product dimensions.



















