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Siemens Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 16 A - Non-Reversing IEC Contactors
SiemensNon-Reversing IEC Contactors

Siemens Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 16 A

The SIEMENS IEC Magnetic Contactor: Non-Reversing (MPN 3RT20181BB42) is a non-reversing IEC contactor with 3 poles and 3NO contacts, rated at 16 A with a 24V DC coil. It does not include integrated surge suppression.

SKU 3G-OTH-42324

Brand
Siemens
Item
Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 16 A
Category
Non-Reversing IEC Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20181BB42
Type
16 A
Poles
3
DC Coil
24V
Contacts
3NO
Integrated Surge Suppression
No
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Magnetic Contactor: Non-Reversing (MPN 3RT20181BB42) is a non-reversing IEC contactor with 3 poles and 3NO contacts, rated at 16 A with a 24V DC coil. It does not include integrated surge suppression.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SIEMENS 3RT20181BB42 contactor used for?

The SIEMENS IEC Magnetic Contactor 3RT20181BB42 is used for switching and controlling electrical loads in industrial automation, motor control centers, and HVAC systems. It is suitable for non-reversing applications requiring 3-pole, 3NO contact operation at 16 A with a 24V DC coil.

What are the specifications of the SIEMENS 3RT20181BB42 contactor?

The SIEMENS 3RT20181BB42 is a non-reversing IEC contactor with 3 poles and 3 normally open (3NO) contacts. It is rated at 16 A with a 24V DC coil. It does not include integrated surge suppression. The brand is SIEMENS and the manufacturer part number is 3RT20181BB42.

Where to buy the SIEMENS 3RT20181BB42 contactor worldwide?

You can source the SIEMENS 3RT20181BB42 contactor worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the SIEMENS 3RT20181BB42 contactor?

To install the SIEMENS 3RT20181BB42 contactor, ensure the coil voltage matches your 24V DC supply. Mount it on a DIN rail or panel, connect the main power to the line side and load to the load side of the 3NO contacts. Use proper wire sizing for 16 A and follow local electrical codes.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens non-reversing iec contactors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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