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Siemens Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 9 A - Non-Reversing IEC Contactors
SiemensNon-Reversing IEC Contactors

Siemens Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 9 A

The SIEMENS IEC Magnetic Contactor is a non-reversing contactor with 3 poles and 3 normally open (NO) contacts, rated at 9 A with a 24 V DC coil (MPN 3RT20161BB42). This component does not include integrated surge…

SKU 3G-OTH-41280

Brand
Siemens
Item
Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 9 A
Category
Non-Reversing IEC Contactors
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Technical Specifications

Siemens
Manufacturer Part Number
3RT20161BB42
Type
9 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 is a non-reversing contactor with 3 poles and 3 normally open (NO) contacts, rated at 9 A with a 24 V DC coil (MPN 3RT20161BB42). This component does not include integrated surge suppression.

Frequently Asked Questions

What is the SIEMENS 3RT20161BB42 magnetic contactor used for?

The SIEMENS 3RT20161BB42 is a non-reversing IEC magnetic contactor used to switch electrical loads in industrial motor control and automation applications. It is commonly applied in panel building, conveyor systems, and pump control where reliable on/off switching of 3-phase motors is required.

What are the specifications of the SIEMENS 3RT20161BB42 contactor?

This SIEMENS contactor has 3 poles, 3 normally open (NO) contacts, a rated current of 9 A, and a 24 V DC coil. It does not include integrated surge suppression. The manufacturer part number is 3RT20161BB42. It is designed for non-reversing applications in IEC systems.

Where to buy the SIEMENS 3RT20161BB42 contactor worldwide?

You can source the SIEMENS 3RT20161BB42 contactor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens components to industrial buyers globally.

How to install the SIEMENS 3RT20161BB42 magnetic contactor?

Mount the contactor on a DIN rail or panel using the provided slots. Connect the 24 V DC coil to a suitable power supply, observing polarity. Wire the 3-phase load through the 3NO main contacts. Ensure the control circuit is protected with a fuse or circuit breaker. Always follow Siemens installation guidelines for safe operation.

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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