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Siemens SIRIUS 3RT Size S0, 3RT2 Contactor, 24 V dc Coil, 3-Pole, 32 A, 15 kW, 2NO + 2NC, 400 V ac
- RS Stock No.:
- 203-2613
- Mfr. Part No.:
- 3RT2027-1BB44
- Brand:
- Siemens
Subtotal (1 unit)*
£168.02
(exc. VAT)
£201.62
(inc. VAT)
FREE delivery for orders over £50.00
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- Shipping from 19 November 2025
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Units | Per unit |
|---|---|
| 1 + | £168.02 |
*price indicative
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- RS Stock No.:
- 203-2613
- Mfr. Part No.:
- 3RT2027-1BB44
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Coil Voltage | 24 V dc | |
| Number of Poles | 3 | |
| Contact Voltage Rating | 400 V ac | |
| Contact Current Rating | 32 A | |
| Power Rating | 15 kW | |
| Series | Size S0, 3RT2 | |
| Range | SIRIUS 3RT | |
| Function | Reversing | |
| Normal State Configuration | 2NO + 2NC | |
| Number Of Auxiliary Contacts | 4 | |
| Auxiliary Contact Configuration | 2NO + 2NC | |
| Terminal Type | Screw | |
| Length | 85mm | |
| Width | 45mm | |
| Depth | 151mm | |
| Better World Product | Yes | |
| Better World Claim | Low carbon manufacture | |
| Control Voltage | 24 V dc | |
| Load Voltage | 400V ac | |
| Mounting Style | DIN Rail | |
| Minimum Operating Temperature | -25°C | |
| Load Current | 32A | |
| Maximum Operating Temperature | +60°C | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Coil Voltage 24 V dc | ||
Number of Poles 3 | ||
Contact Voltage Rating 400 V ac | ||
Contact Current Rating 32 A | ||
Power Rating 15 kW | ||
Series Size S0, 3RT2 | ||
Range SIRIUS 3RT | ||
Function Reversing | ||
Normal State Configuration 2NO + 2NC | ||
Number Of Auxiliary Contacts 4 | ||
Auxiliary Contact Configuration 2NO + 2NC | ||
Terminal Type Screw | ||
Length 85mm | ||
Width 45mm | ||
Depth 151mm | ||
Better World Product Yes | ||
Better World Claim Low carbon manufacture | ||
Control Voltage 24 V dc | ||
Load Voltage 400V ac | ||
Mounting Style DIN Rail | ||
Minimum Operating Temperature -25°C | ||
Load Current 32A | ||
Maximum Operating Temperature +60°C | ||
- COO (Country of Origin):
- DE
Siemens size S0, 3RT2 Series Contactor, 24V DC Coil Voltage, 32A Contact Current Rating - 3RT2027-1BB44
This contactor is designed for power control in automation systems. This contactor operates at a coil voltage of 24V DC and supports a contact current rating of 32A. With dimensions of 85mm x 45mm x 151mm, it is suitable for DIN rail mounting, making it an ideal component for compact electrical installations.
Features & Benefits
• Offers a reversing function for enhanced versatility
• Rated for 15kW power handling at 400V AC
• Equipped with four auxiliary contacts for additional control options
• Features screw terminal connections for reliable wiring
• Rated for 15kW power handling at 400V AC
• Equipped with four auxiliary contacts for additional control options
• Features screw terminal connections for reliable wiring
Applications
• Utilised in industrial automation for motor control
• Used in HVAC systems for reliable control of fans and pumps
• Used in conveyor systems within manufacturing settings
• Perfect for electrical installations requiring a space-saving design
• Used in HVAC systems for reliable control of fans and pumps
• Used in conveyor systems within manufacturing settings
• Perfect for electrical installations requiring a space-saving design
What should I consider regarding the operational limits of this product?
The contactor can handle ambient temperatures between -25°C and +60°C, providing robustness in various operating conditions. The insulation voltage rating reaches 690 V, ensuring safety across different applications. Furthermore, the surge voltage resistance of 6 kV reinforces its reliability during power fluctuations.
How do I ensure proper mounting and connectivity for this device?
This model is designed for screw and snap-on mounting onto a DIN rail, ensuring a secure installation. It offers various conductor cross-sections for main and auxiliary contacts, which supports flexible wiring options for both solid and stranded cables.
What are the contact configurations and how do they contribute to functionality?
The contactor features a normal state configuration of 2 NO + 2 NC, providing versatile control options for various circuit arrangements. The auxiliary contact configuration also includes 2 NO + 2 NC contacts, enabling additional functionalities without the need for separate components.
