Home β€Ί Manufacturers β€Ί Siemens β€Ί 3RW4038-1TB05
Siemens

Siemens SIRIUS 3RW4038-1TB05 Soft Starter - 72A, 45kW

Siemens SIRIUS soft starter, 72A, 45kW, with thermistor motor protection.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide πŸŽ– Veteran-Owned
In Stock β€” Ready to Ship
ManufacturerSiemens
Part number3RW4038-1TB05
Part Number 3RW4038-1TB05
Manufacturer Siemens
Series SIRIUS
Type Soft Starter
Get a price for 3RW4038-1TB05
Response within 1 business hour

All orders subject to availability

πŸ›‘
12-month warranty
All units tested
⚑
Same-day dispatch
Order by 2pm CST
🌐
Worldwide delivery
US, EU, Asia, Middle East
πŸŽ–
Veteran-owned
CAGE: 9NK75
Smooth Motor Start/Stop 72A Current Rating 45kW Power Capacity 400-600V AC Operation 24V AC/DC Control Thermistor Motor Protection

The Siemens SIRIUS 3RW4038-1TB05 is a soft starter designed for smooth motor acceleration and deceleration. It is rated for 72 A and supports motor power of 45 kW at 500 V. The operating voltage range is 400-600 V AC, with control voltage options of 24 V AC/DC. This unit includes thermistor motor protection and features screw terminals for connection.

This soft starter is ideal for applications where reducing mechanical stress on machinery during startup is important, such as in conveyor systems, pumps, fans, and compressors. It helps to extend the lifespan of motors and associated equipment.

Stanlo Automation, a veteran-owned surplus parts distributor, ensures you get genuine and reliable industrial components. Secure your Siemens SIRIUS 3RW4038-1TB05 soft starter and other automation needs from a trusted source.

Part Number3RW4038-1TB05
ManufacturerSiemens
SeriesSIRIUS
TypeSoft Starter
Current Rating72 A
Motor Power45 kW (at 500V)
Operating Voltage400-600 V AC
Control Voltage24 V AC/DC
ProtectionThermistor Motor Protection
TerminalsScrew
Conveyor Systems
Pump Control
Fan Control
Compressor Control
Motor Soft Starting
Industrial Machinery
AC Induction Motors 400-600V Power Systems Siemens SIRIUS Motor Management System
Siemens SIRIUS Soft Starter 3RW4038 Siemens 72A Soft Starter SIRIUS Motor Starter
The 3RW4038-1TB05 replaces direct-on-line starters in applications requiring reduced starting torque and current, preventing mechanical shock.
Expert tip
Ensure the internal thermistors are correctly wired to the control circuit of the 3RW4038-1TB05 for effective motor protection monitoring.
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Does the Siemens 3RW4038-1TB05 soft starter include motor overload protection?
Yes, the Siemens SIRIUS 3RW4038-1TB05 soft starter includes thermistor motor protection. This feature helps to safeguard the motor against overheating by monitoring its temperature via integrated PTC thermistors.