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Siemens 3RT2 Contactor, 24V DC Coil, 3-Pole, 16 A, 7.5 kW, Motor Control, DIN Rail Mount 3RT2018-1BB42
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Function | Motor Control |
| Length | 57.5mm |
| Model | 3RT2018-1BB42 |
| Depth | 73mm |
| Width | 45mm |
| Mount Type | DIN Rail |
| Series | 3RT2 |
| Power Rating | 7.5kW |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw Clamp |
| Number of Poles | 3 |
| Standards/Approvals | EAC |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 250-8810Brand: RS PRO |
| Contact Voltage | 400V ac |
| Coil Voltage | 24V dc |
| Normal State Configuration | 3 NO |
| Better World Claim | Low Carbon Manufacture |
| Contact Current | 16A |
| Number of Auxiliary Contacts | 1 |
| Auxiliary Contact Configuration | 1 NC |
| Operational Current Ie | 22A |
| Control Circuit Voltage Uc | 24V dc |
| Pole and Throw Configuration | 3 |
Key Features
- This 3-pole contactor is designed for use with 400V AC contact voltage systems.
- The unit supports a control circuit voltage of 24V DC and operational current of 22A.
- It is manufactured for DIN rail mounting ensuring easy and compact installation.
- Operating temperature ranges from -25°C to 60°C suitable for various industrial conditions.
- Compact dimensions of 57.5 mm length, 45 mm width, and 73 mm depth optimize space use.
- Built with rugged plastic housing for weatherproof use in outdoor equipment.
- IP20 ingress protection rating safeguards internal components from electric shocks.
- The device allows contactor front tilting by approximately 180° during mounting for installation flexibility.
Product Description
Siemens 3RT2018-1BB42 is a high-performance 3-pole contactor designed for motor control with a 24V DC coil and rated for 16 A contact current and 7.5 kW power. It operates on a 400V AC contact voltage, making it suitable for industrial and commercial electrical control applications.
This contactor is part of the Siemens 3RT2 series offering reliable switching operations with rapid contact opening and closing to effectively suppress arcing and protect connected equipment from damage. It incorporates a screw clamp terminal type for secure wiring connections and includes one auxiliary contact (1 NC) to enhance control capabilities.
Built to mount easily on DIN rails, this contactor occupies minimal panel space thanks to its compact dimensions of 57.5 mm length, 45 mm width, and 73 mm depth. The unit is designed to withstand demanding environments, supporting a wide operating temperature range from -25°C to +60°C. Its durable plastic housing provides resistance against corrosion, abrasion, and moisture, enabling outdoor installation and offering an IP20 ingress protection rating for user safety.
Furthermore, the contactor’s flexible installation feature allows rotation of the front panel by approximately 180°, adapting to various setups. Certified to EAC standards and manufactured in Germany, it reflects high-quality engineering and reliability.
This 3-pole contactor supports 16 A current and 7.5 kW power rating for motor control. Coil voltage: 24V DC ensures efficient control circuitry compatibility. Durable plastic housing enables outdoor and rugged environment use.
DIN rail mount type for straightforward and space-saving installation. Includes one normally closed auxiliary contact (1 NC) and screw clamp terminals. Wide operating temperature range from -25°C to 60°C allows versatile applications.
Compact size facilitates installation in confined control panels. IP20 protection rating guards against accidental contact and electrical hazards. Contactor front tilts 180° providing installation flexibility.
This Siemens contactor is ideal for industrial automation, machinery control, HVAC systems, lighting control, and other applications requiring reliable high-current switching. Selecting Siemens 3RT2018-1BB42 ensures enhanced operational safety and efficiency in demanding electrical environments.
Explore more in the Automation & Control Gear category on EnvMart for compatible products and related accessories.
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Frequently Asked Questions
This model has a power rating of 7.5 kW, making it suitable for motor control applications.
The Siemens 3RT2018-1BB42 operates with a coil voltage of 24V DC.
It can handle a maximum contact current of 16 A.
The contactor measures 57.5 mm in length, 45 mm in width, and 73 mm in depth.
The operational current rating for this unit is 22 A.
It is designed for DIN rail mounting, allowing for easy and compact installation.
The operating temperature range is from -25°C to +60°C, suitable for various industrial conditions.
This model features a 3-pole configuration.
It incorporates screw clamp terminals for secure wiring connections.
Yes, it includes one normally closed auxiliary contact (1 NC) to enhance control capabilities.
It has an IP20 ingress protection rating, which safeguards internal components from electric shocks.
The Siemens 3RT2018-1BB42 is certified to EAC standards.
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