RSE-O online bypass soft starter does not require any other external equipment. One online soft starter can realize all functions such as soft start and operation. The power cables only need to be connected to RST, UVW, a total of 6 cables, and the wiring is simple and convenient.
Product Summary

Specifications
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Parametric |
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Model |
RSE-T3-7-O ~ RSE-T3-55-O |
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Bypass Type |
Online bypass type |
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Voltage |
380V |
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Adaptive motor power (kW) |
7.5/11/15/18.5/22/30/37/45/55 |
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Rated output current (A) |
15/23/30/37/45/60/75/90/110 |
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Dimensions (mm) |
342*200*214 |
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Installation size (mm) |
299*145 |
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Product Overview
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Independent control power supply (220VAC), parameter setting is also possible without power supply (380V) |
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After the bypass contactor is removed, there is no contactor contact limit, and the service life is longer |
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Compatible with external contactors, more flexible to use and suitable for a wider range of applications |
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Can drive non-traditional motor loads such as motor heaters, resistive loads and transformer loads |
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It can perfectly replace solid-state contactors and additionally provide soft start and soft stop functions |
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Supports internal connection of motors, suitable for motors with larger specifications |
Wiring And Terminals

Model Nomenclature

Selection Table
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Model (380V) |
Adaptive motor power ( kW ) |
I out (A) |
Dimensions H*W*D (mm) |
Installation size (mm) |
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H1*W1 |
Aperture |
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RSE-T3-7-O |
7.5 |
15 |
342*200-214 |
299*145 |
M6 |
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RSE-T3-11-O |
11 |
23 |
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RSE-T3-15-O |
15 |
30 |
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RSE-T3-18-O |
18.5 |
37 |
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RSE-T3-22-O |
22 |
45 |
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RSE-T3-30-O |
30 |
60 |
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RSE-T3-37-O |
37 |
75 |
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RSE-T3-45-O |
45 |
90 |
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RSE-T3-55-O |
55 |
110 |
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RSE-T3-75-O |
75 |
150 |
443*243*248 |
392*180 |
M8 |
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RSE-T3-90-O |
90 |
180 |
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RSE-T3-110-O |
115 |
230 |
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RSE-T3-132-O |
132 |
264 |
574*348*248 |
493*280 |
M10 |
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RSE-T3-160-O |
160 |
320 |
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RSE-T3-185-O |
185 |
370 |
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RSE-T3-200-O |
200 |
400 |
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RSE-T3-250-O |
250 |
500 |
600*430*283 |
519*340 |
M10 |
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RSE-T3-280-O |
280 |
560 |
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RSE-T3-320-O |
320 |
640 |
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Performance & Configuration
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Electrical characteristics |
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Rated control power supply |
Single-phase 220VAC±15%, 50/60Hz |
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Rated power supply voltage |
Three-phase 380V~480V (-10%~+15%) |
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Rated power supply frequency |
50Hz or 60Hz |
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Number of controlled phases |
3 |
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Applicable motor |
Squirrel cage three-phase induction motor/asynchronous motor |
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Starting frequency |
Depends on the load conditions. It is recommended to start and stop no more than 10 times per hour under normal conditions and 6 times per hour under heavy load |
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Starting mode |
Voltage ramp, current ramp, current limit, inching, voltage ramp + current limit, sudden jump + voltage ramp |
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Stop mode |
Free stop, soft stop |
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Protection function |
Phase loss protection, overcurrent protection, overload protection, current imbalance protection, overheating protection, start timeout protection, undervoltage/overvoltage protection, start over frequency protection, high current protection, thyristor breakdown protection, power reverse sequence protection, wiring error protection, etc. |
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Environmental characteristics |
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Operating temperature |
-10℃ ~ 40℃ (40℃ ~ 60℃ need to reduce capacity) |
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Storage temperature |
-25℃ ~ 70℃ |
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Relative humidity |
95% no condensation or dripping |
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Altitude |
Below 1000m (1000~3000m need to reduce capacity) |
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Cooling method |
Forced air cooling |
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Installation method |
Wall-mounted |
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Other |
No flammable, explosive, or corrosive gases, no conductive dust or metal powder |
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Standards and Certification |
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Implementation standards |
GB/T14048.6 |
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Certification |
CCC |

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