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Siemens 3RW4036-1BB04
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 3RW4036-1BB04 SIRIUS Soft Starter is a crucial component for the regulated activation of three-phase asynchronous motors across diverse industrial settings. As part of the respected SIRIUS 3RW40 series, this soft starter is engineered to lessen mechanical strain on machinery and minimize electrical system disruptions during motor acceleration. It supports motors up to 22 kW at 400 V, managing a robust 45 A current at an ambient temperature of 40°C. Its broad operational voltage span of 200-480 V AC, combined with a 24 V AC/DC control power, allows for integration into various power systems. The inclusion of screw terminals guarantees secure and dependable electrical connections, thereby boosting the overall stability and endurance of your operational setup. By enabling a smooth and gradual start, the 3RW4036-1BB04 substantially prolongs the operational life of your motors and associated equipment, lowering upkeep expenses and enhancing efficiency.Key Features Optimized Motor Protection: Tailored for motors up to 22 kW (30 HP) at 400 V, ensuring regulated acceleration and deceleration. High Current Capacity: Reliably functions with a 45 A current at 40°C ambient temperature, with a 42 A rating at 50°C. Extensive Operational Voltage: Compatible with 200-480 V AC systems, offering wide flexibility in application. Integrated Bypass Contactor: Boosts energy efficiency by reducing power loss and heat generation during continuous use. Current Limit Adjustment: Enables precise setting of the peak starting current to avert overloads and safeguard valuable machinery. Two-Phase Control: Provides exceptionally smooth motor acceleration and deceleration for superior results. Remote Reset Capability: Simplifies troubleshooting and recovery by allowing remote resetting after fault conditions. Technical SpecificationsThe Siemens 3RW4036-1BB04 soft starter boasts robust technical specifications for reliable industrial performance: Product Category: Soft Starter Part Number: 3RW4036-1BB04 Motor Power Rating: 22 kW at 400 V Rated Operational Current: 45 A at 40°C; 42 A at 50°C Operational Voltage Range: 200-480 V AC Control Supply Voltage: 24 V AC/DC Connection Type: Robust Screw Terminals Dimensions (W x H x D): Approximately 167 mm x 197 mm x 71 mm Weight: Approximately 1.294 kg Mounting: Designed for wall mounting in a clean environment or within a protective control cabinet Ambient Temperature Range: Operable between -25°C to +60°C Degree of Protection: IP20, providing protection against solid objects larger than 12.5mm ApplicationsThe flexibility and advanced attributes of the Siemens 3RW4036-1BB04 make it perfect for a broad spectrum of industrial uses: Industrial Automation: Guarantees smooth and regulated motor startup in automated production lines, significantly extending equipment life and reducing wear. HVAC and Refrigeration: Facilitates gentle starting of large fans, compressors, and pumps, minimizing electrical surges and mechanical shock, leading to quieter operation and enhanced system reliability. Pumping and Fluid Systems: Prevents damaging water hammer effects and pressure surges by providing controlled acceleration and deceleration of pumps, protecting pipework and increasing system longevity. Material Handling and Conveyors: Reduces startup torque and mechanical stress on conveyor belts, hoists, and other material handling machinery, preventing product damage and improving operational safety. Woodworking and Machine Tools: Offers precise motor control for saws, lathes, and milling machines, ensuring smooth operation and reducing the risk of material damage during startup. Why Choose This Model?The gentle startup process significantly reduces mechanical stress on motors and connected machinery, extending their operational life and minimizing maintenance requirements.Order NowReady to enhance your industrial motor control? Order the Siemens 3RW4036-1BB04 SIRIUS Soft Starter today and experience reliable, efficient, and prolonged equipment performance. Contact Palm Parts Solution for pricing and availability.FAQWhat is the primary function of the Siemens 3RW4036-1BB04 soft starter?Its primary function is to provide a controlled and smooth startup for three-phase asynchronous motors, reducing mechanical stress and electrical disturbances during acceleration.What motor power rating is this soft starter designed for?It is designed for motors up to 22 kW at 400 V.What is the operational voltage range for the 3RW4036-1BB04?This soft starter is compatible with operational voltages ranging from 200-480 V AC.Does the Siemens 3RW4036-1BB04 include an integrated bypass contactor?Yes, it features an integrated bypass contactor to improve energy efficiency.What type of connections does this soft starter use?It utilizes robust screw terminals for secure and reliable electrical connections.
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Siemens 3RW4036-1BB04
Overview
This is a genuine Siemens component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
The Siemens 3RW4036-1BB04 soft starter boasts robust technical specifications for reliable industrial performance:
- Product Category: Soft Starter
- Part Number: 3RW4036-1BB04
- Motor Power Rating: 22 kW at 400 V
- Rated Operational Current: 45 A at 40°C; 42 A at 50°C
- Operational Voltage Range: 200-480 V AC
- Control Supply Voltage: 24 V AC/DC
- Connection Type: Robust Screw Terminals
- Dimensions (W x H x D): Approximately 167 mm x 197 mm x 71 mm
- Weight: Approximately 1.294 kg
- Mounting: Designed for wall mounting in a clean environment or within a protective control cabinet
- Ambient Temperature Range: Operable between -25°C to +60°C
- Degree of Protection: IP20, providing protection against solid objects larger than 12.5mm
Applications
The flexibility and advanced attributes of the Siemens 3RW4036-1BB04 make it perfect for a broad spectrum of industrial uses:
- Industrial Automation: Guarantees smooth and regulated motor startup in automated production lines, significantly extending equipment life and reducing wear.
- HVAC and Refrigeration: Facilitates gentle starting of large fans, compressors, and pumps, minimizing electrical surges and mechanical shock, leading to quieter operation and enhanced system reliability.
- Pumping and Fluid Systems: Prevents damaging water hammer effects and pressure surges by providing controlled acceleration and deceleration of pumps, protecting pipework and increasing system longevity.
- Material Handling and Conveyors: Reduces startup torque and mechanical stress on conveyor belts, hoists, and other material handling machinery, preventing product damage and improving operational safety.
- Woodworking and Machine Tools: Offers precise motor control for saws, lathes, and milling machines, ensuring smooth operation and reducing the risk of material damage during startup.
Why Choose the 3RW4036-1BB04?
The gentle startup process significantly reduces mechanical stress on motors and connected machinery, extending their operational life and minimizing maintenance requirements.
Availability & Shipping
- ▸In stock: 3RW4036-1BB04 ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 3RW4036-1BB04 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.