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Siemens SIRIUS 3RT Size S2, 3RT2 Contactor, 24 V ac Coil, 3-Pole, 51 A, 22 kW, 3NO, 400 V ac
- RS Stock No.:
- 122-9461
- Mfr. Part No.:
- 3RT2036-1AC20
- Brand:
- Siemens
Subtotal (1 unit)*
£124.25
(exc. VAT)
£149.10
(inc. VAT)
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- Shipping from 11 November 2025
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Units | Per unit |
|---|---|
| 1 + | £124.25 |
*price indicative
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- RS Stock No.:
- 122-9461
- Mfr. Part No.:
- 3RT2036-1AC20
- 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 ac | |
| Number of Poles | 3 | |
| Contact Voltage Rating | 400 V ac | |
| Contact Current Rating | 51 A | |
| Range | SIRIUS 3RT | |
| Power Rating | 22 kW | |
| Series | Size S2, 3RT2 | |
| Normal State Configuration | 3NO | |
| Number Of Auxiliary Contacts | 2 | |
| Auxiliary Contact Configuration | 1NO + 1NC | |
| Terminal Type | Screw | |
| Width | 55mm | |
| Length | 114mm | |
| Depth | 130mm | |
| Better World Claim | Low carbon manufacture | |
| Better World Product | Yes | |
| Mounting Style | DIN Rail | |
| Control Voltage | 24 V ac | |
| Load Voltage | 400V ac | |
| Minimum Operating Temperature | -25°C | |
| Pole and Throw Configuration | 3PST | |
| Maximum Operating Temperature | +60°C | |
| Load Current | 51A | |
Select all | ||
|---|---|---|
Brand Siemens | ||
Coil Voltage 24 V ac | ||
Number of Poles 3 | ||
Contact Voltage Rating 400 V ac | ||
Contact Current Rating 51 A | ||
Range SIRIUS 3RT | ||
Power Rating 22 kW | ||
Series Size S2, 3RT2 | ||
Normal State Configuration 3NO | ||
Number Of Auxiliary Contacts 2 | ||
Auxiliary Contact Configuration 1NO + 1NC | ||
Terminal Type Screw | ||
Width 55mm | ||
Length 114mm | ||
Depth 130mm | ||
Better World Claim Low carbon manufacture | ||
Better World Product Yes | ||
Mounting Style DIN Rail | ||
Control Voltage 24 V ac | ||
Load Voltage 400V ac | ||
Minimum Operating Temperature -25°C | ||
Pole and Throw Configuration 3PST | ||
Maximum Operating Temperature +60°C | ||
Load Current 51A | ||
- COO (Country of Origin):
- DE
Siemens size S2, 3RT2 Series Contactor, 24V AC Coil Voltage, 51A Current Rating - 3RT2036-1AC20
This contactor is a versatile solution for industrial applications, designed to reliably switch electrical currents. With a compact size of 114mm in length, 55mm in width, and 130mm in depth, this 3-pole device accommodates a load voltage of up to 400V AC and a coil voltage of 24V AC. The Siemens contactor is manufactured with a low carbon footprint, aligning with sustainable practices.
Features & Benefits
• Capable of handling operational power up to 22kW
• Integrated auxiliary contacts improve functionality and control
• Suitable for a wide operating temperature range
• Designed for secure screw terminal connections
• DIN rail mounting simplifies installation in various environments
• Integrated auxiliary contacts improve functionality and control
• Suitable for a wide operating temperature range
• Designed for secure screw terminal connections
• DIN rail mounting simplifies installation in various environments
Applications
• Utilised for automation control in industrial machines
• Ideal for switching motors in manufacturing processes
• Effective in HVAC systems for reliable electrical control
• Used in pump systems to manage power distribution
• Used for lighting control in commercial facilities
• Ideal for switching motors in manufacturing processes
• Effective in HVAC systems for reliable electrical control
• Used in pump systems to manage power distribution
• Used for lighting control in commercial facilities
What type of auxiliary contacts does it support?
It supports one normally open (NO) and one normally closed (NC) auxiliary contact, allowing for versatile configurations in control circuits.
How does this device perform in high-temperature environments?
It operates efficiently within a temperature range of -25°C to +60°C, making it suitable for environments with varying thermal conditions.
What are the power loss characteristics during operation?
The power loss is approximately 12W in a hot operating state, optimising energy performance during continuous operation.
Can it be used for DC applications?
Yes, it can handle DC currents, with a rating of 55A at 24V, making it versatile for various applications.
How do the contact ratings compare for different operational settings?
At AC-3 rating at 400V, it is rated for a contact current of 51A, while at AC-4, it supports a maximum of 41A, ensuring reliability across different operational scenarios.
