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SIEMENS SIRIUS 3RW4038-1 Soft Starter, 37 kW, 72 A, 200-460 V AC, 24 V AC/DC Control, Screw Terminals 3RW40381BB04

SIEMENS SIRIUS 3RW4038-1 Soft Starter, 37 kW, 72 A, 200-460 V AC, 24 V AC/DC Control, Screw Terminals 3RW40381BB04
SIEMENS SIRIUS 3RW4038-1 Soft Starter, 37 kW, 72 A, 200-460 V AC, 24 V AC/DC Control, Screw Terminals 3RW40381BB04
R25,626
Motor starting often causes mechanical stress and high inrush currents. The SIEMENS SIRIUS 3RW4038-1 soft starter reduces this by ramping up voltage, protecting both motor and driven equipment.Who is it forMaintenance engineers and panel builders who need reliable starting for three-phase motors up ... Read More
Stock 2 Code 3569613 Brand SIEMENS Model 3RW40381BB04 Warranty 2 Years

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Estimated delivery Wednesday, October 7
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Motor starting often causes mechanical stress and high inrush currents. The SIEMENS SIRIUS 3RW4038-1 soft starter reduces this by ramping up voltage, protecting both motor and driven equipment.

Who is it for

Maintenance engineers and panel builders who need reliable starting for three-phase motors up to 37 kW at 400 V. It suits pumps, fans, compressors, and conveyors where smooth acceleration matters.

Main features

  • Rated power 37 kW at 400 V, 40 °C
  • Rated operational current 72 A
  • Main circuit voltage 200–460 V AC
  • Control supply voltage 24 V AC/DC
  • Integrated bypass contacts reduce heat during run
  • Electronic overload protection built in
  • Voltage ramp starting with adjustable ramp-up time 0–20 s
  • Current limiting adjustable 150–700 % of Ie
  • Screw terminals for main and control circuits
  • Mounting on DIN rail or screw fixing
  • Auxiliary contacts: 1 NO + 1 NC

Specifications

  • Series: SIRIUS 3RW40
  • Product type: Soft starter
  • Number of phases: 3
  • Size designation: S2
  • Degree of protection: IP00
  • Ambient operating temperature: -25 to +60 °C

Tips

For reliable operation, ensure the control voltage is stable and within 24 V AC/DC. The integrated bypass reduces energy consumption during continuous running.

Specifications
Brand
SIEMENS
Category
Soft Starter
EAN
4011209692206
Model
SIRIUS 3RW4038-1
MPN
3RW40381BB04
Product type
Soft Starter
Weight
1300 kg
Price history over the last 6 months
SIEMENS SIRIUS 3RW4038-1 Soft Starter, 37 kW, 72 A, 200-460 V AC, 24 V AC/DC Control, Screw Terminals 3RW40381BB04
Current
R25,626
Lowest
R25,565
Highest
R25,626
Change 24H
+R61   +0%
Week
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Month
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