Better World
Siemens 3RT2 Contactor, 24V dc Coil, 3-Pole, 16 A, 7.5 kW 24V dc, 3 NO, 400V ac
- RS Stock No.:
- 706-1263
- Distrelec Article No.:
- 301-24-299
- Mfr. Part No.:
- 3RT2018-2BB42
- Brand:
- Siemens
Subtotal (1 unit)*
£82.74
(exc. VAT)
£99.29
(inc. VAT)
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In Stock
- Plus 7 unit(s) shipping from 20 April 2026
- Plus 15 unit(s) shipping from 20 April 2026
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Units | Per unit |
|---|---|
| 1 + | £82.74 |
*price indicative
Better World
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- RS Stock No.:
- 706-1263
- Distrelec Article No.:
- 301-24-299
- Mfr. Part No.:
- 3RT2018-2BB42
- 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 | |
| Product Type | Contactor | |
| Coil Voltage | 24V dc | |
| Number of Poles | 3 | |
| Contact Voltage | 400V ac | |
| Contact Current | 16A | |
| Power Rating | 7.5kW | |
| Series | 3RT2 | |
| Function | Motor Control | |
| Mount Type | DIN Rail | |
| Normal State Configuration | 3 NO | |
| Number of Auxiliary Contacts | 1 | |
| Auxiliary Contact Configuration | 1 NC | |
| Terminal Type | Spring Loaded | |
| Minimum Operating Temperature | -25°C | |
| Operational Current Ie | 22A | |
| Control Circuit Voltage Uc | 24V dc | |
| Maximum Operating Temperature | 60°C | |
| Length | 70mm | |
| Standards/Approvals | EAC | |
| Depth | 73mm | |
| Width | 45mm | |
| Better World Claim | Low Carbon Manufacture | |
| Better World Product | Yes | |
| Pole and Throw Configuration | 3 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Contactor | ||
Coil Voltage 24V dc | ||
Number of Poles 3 | ||
Contact Voltage 400V ac | ||
Contact Current 16A | ||
Power Rating 7.5kW | ||
Series 3RT2 | ||
Function Motor Control | ||
Mount Type DIN Rail | ||
Normal State Configuration 3 NO | ||
Number of Auxiliary Contacts 1 | ||
Auxiliary Contact Configuration 1 NC | ||
Terminal Type Spring Loaded | ||
Minimum Operating Temperature -25°C | ||
Operational Current Ie 22A | ||
Control Circuit Voltage Uc 24V dc | ||
Maximum Operating Temperature 60°C | ||
Length 70mm | ||
Standards/Approvals EAC | ||
Depth 73mm | ||
Width 45mm | ||
Better World Claim Low Carbon Manufacture | ||
Better World Product Yes | ||
Pole and Throw Configuration 3 | ||
- Load feeders Configuring SIRIUS Innovations Configuration Manual 04/2010
- Switching Devices for Load Feeders
- Datasheet_3RT2018-2BB42
- Sirius: Migrating From Classic to Innovation
- Environmental Product Declaration - Overview
- Siemens EcoTech label
- Environmental Product Declaration
- Instruction Sheet - 3RT2.1/3RH21/3RH24 Series
- COO (Country of Origin):
- DE
Siemens size S00, 3RT2 Series Contactor, 24V DC Coil Voltage, 3 Poles - 3RT2018-2BB42
This contactor is a reliable three-pole switching device designed for various industrial automation applications. It features a compact size S00 format, measuring 70mm in length, 45mm in width, and 73mm in depth. Operating at a coil voltage of 24V DC with a contact current rating of 16A, it is suitable for controlling motors and other electrical loads at up to 400V AC.
Features & Benefits
• Operates efficiently at 400V AC for reliable performance
• Spring-loaded terminal connections ensure secure wiring
• Offers one NC auxiliary contact for versatile functionality
• Supports DIN rail mounting for easy installation
Applications
• Utilised in motor control circuits for automation tasks
• Ideal for use in HVAC systems requiring efficient control
• Effective in conveyor systems to manage electrical loads
• Suitable for machine tools needing reliable switching actions
• Applied in various sensing and control in factories
What is the significance of the three-pole configuration?
The three-pole configuration allows for the control of three-phase electrical systems, providing efficient switching capabilities for motor applications, ensuring balanced load distribution.
How does the contactor maintain performance under varying temperatures?
With an operational range of -25°C to +60°C, this device is designed to perform reliably across a wide temperature spectrum, making it suitable for diverse environmental conditions.
What type of electrical connections does it support?
The contactor supports spring-loaded terminals for both main and auxiliary circuits, accommodating solid and stranded conductors with cross-sections ranging from 0.5mm² to 4mm², enhancing installation flexibility.