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Siemens 3RA23178XB301BB4 Reversing IEC Contactor - Reversing IEC Contactors
SiemensReversing IEC Contactors

Siemens 3RA23178XB301BB4 Reversing IEC Contactor

The SIEMENS IEC Magnetic Contactor: Reversing is a reversing IEC contactor with 3 poles and 3NO contacts, rated at 12 A with a 24V DC coil (MPN 3RA23178XB301BB4). It does not include integrated surge suppression.

SKU 3G-OTH-44045

Brand
Siemens
Item
3RA23178XB301BB4 Reversing IEC Contactor
Category
Reversing IEC Contactors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
3RA23178XB301BB4
Type
12 A
Poles
3
DC Coil
24V
Contacts
3NO
Integrated Surge Suppression
No

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS IEC Magnetic Contactor: Reversing is a reversing IEC contactor with 3 poles and 3NO contacts, rated at 12 A with a 24V DC coil (MPN 3RA23178XB301BB4). It does not include integrated surge suppression.

Frequently Asked Questions

What is the SIEMENS 3RA23178XB301BB4 reversing contactor used for?

The SIEMENS 3RA23178XB301BB4 is a reversing IEC magnetic contactor used to control the forward and reverse rotation of three-phase motors in industrial applications such as conveyors, pumps, and hoists. It features 3 poles and 3NO contacts rated at 12 A with a 24V DC coil, enabling reliable motor direction switching.

What are the specifications of the SIEMENS 3RA23178XB301BB4 contactor?

The SIEMENS 3RA23178XB301BB4 is a reversing IEC magnetic contactor with 3 poles and 3NO contacts, rated at 12 A. It has a 24V DC coil and does not include integrated surge suppression. The brand is SIEMENS, and the manufacturer part number is 3RA23178XB301BB4.

Where to buy the SIEMENS 3RA23178XB301BB4 contactor worldwide?

You can source the SIEMENS 3RA23178XB301BB4 reversing 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 on this Siemens-branded component.

How to install the SIEMENS 3RA23178XB301BB4 reversing contactor?

Mount the SIEMENS 3RA23178XB301BB4 on a DIN rail or panel, connect the 24V DC coil to a suitable power supply, and wire the three-phase motor to the 3NO contacts per the wiring diagram. Ensure proper mechanical interlocking for reversing applications. Follow Siemens' generic installation guidelines for IEC contactors.

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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This reversing IEC contactor from Siemens is designed for controlling the direction of three-phase motors in applications such as conveyors, hoists, and pumps. It features 3 poles and 3 normally open (NO) contacts, rated at 16 A with a 24 V DC coil. The unit does not include integrated surge suppression
Siemens
This reversing IEC contactor from Siemens is designed for controlling the direction of three-phase motors in applications such as conveyors, hoists, and pumps. It features 3 poles and 3 normally open (NO) contacts, rated at 16 A with a 24 V DC coil. The unit does not include integrated surge suppression
This 3-pole reversing IEC contactor is rated at 12 A with three normally open (NO) contacts and a 24 V DC coil. It does not include integrated surge suppression. Used for controlling forward and reverse rotation of three-phase AC motors in applications such as conveyors, hoists, and pumps
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This 3-pole reversing IEC contactor is rated at 12 A with three normally open (NO) contacts and a 24 V DC coil. It does not include integrated surge suppression. Used for controlling forward and reverse rotation of three-phase AC motors in applications such as conveyors, hoists, and pumps
This reversing IEC contactor from Siemens is rated at 9 A with a 24 V DC coil, featuring 3 poles and 3 normally open (NO) contacts. It is used to control the forward and reverse rotation of three-phase motors by interchanging two supply phases. Typical applications include conveyors, hoists, and pumps. No integrated surge suppression
Siemens
This reversing IEC contactor from Siemens is rated at 9 A with a 24 V DC coil, featuring 3 poles and 3 normally open (NO) contacts. It is used to control the forward and reverse rotation of three-phase motors by interchanging two supply phases. Typical applications include conveyors, hoists, and pumps. No integrated surge suppression
This reversing IEC contactor is designed for controlling the forward and reverse rotation of three-phase motors. It features 3 poles and 3 normally open contacts, rated at 25 A with a 24V DC coil. No integrated surge suppression is included. Typical applications include conveyors, hoists, and pumps where motor direction reversal is required
Siemens
This reversing IEC contactor is designed for controlling the forward and reverse rotation of three-phase motors. It features 3 poles and 3 normally open contacts, rated at 25 A with a 24V DC coil. No integrated surge suppression is included. Typical applications include conveyors, hoists, and pumps where motor direction reversal is required
This reversing IEC contactor controls forward and reverse rotation of three-phase motors. It has 3 poles and 3 normally open contacts, rated at 38 A with a 24V DC coil. No integrated surge suppression. Typical applications include conveyors, hoists, and pumps
Siemens
This reversing IEC contactor controls forward and reverse rotation of three-phase motors. It has 3 poles and 3 normally open contacts, rated at 38 A with a 24V DC coil. No integrated surge suppression. Typical applications include conveyors, hoists, and pumps
This reversing IEC contactor from Siemens is rated at 7 A with a 24V DC coil and features 3 poles and 3 normally open contacts. It is used for controlling the forward and reverse rotation of three-phase motors in applications such as conveyors, pumps, and hoists. The unit does not include integrated surge suppression
Siemens
This reversing IEC contactor from Siemens is rated at 7 A with a 24V DC coil and features 3 poles and 3 normally open contacts. It is used for controlling the forward and reverse rotation of three-phase motors in applications such as conveyors, pumps, and hoists. The unit does not include integrated surge suppression

More from Siemens

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This reversing IEC contactor controls forward and reverse rotation of three-phase motors by swapping two supply phases. It features 3 poles, 3 normally open contacts, a 12 A rating, and a 120V AC coil. No integrated surge suppression
Siemens
This reversing IEC contactor controls forward and reverse rotation of three-phase motors by swapping two supply phases. It features 3 poles, 3 normally open contacts, a 12 A rating, and a 120V AC coil. No integrated surge suppression
This reversing IEC contactor from Siemens is rated for 95 A with 3 poles and 3 normally open contacts. It operates with a 120V AC coil and does not include integrated surge suppression. Used for controlling motor direction in applications such as conveyors, hoists, and pumps
Siemens
This reversing IEC contactor from Siemens is rated for 95 A with 3 poles and 3 normally open contacts. It operates with a 120V AC coil and does not include integrated surge suppression. Used for controlling motor direction in applications such as conveyors, hoists, and pumps
This reversing IEC contactor controls forward and reverse rotation of three-phase motors. It has 3 poles and 3 normally open contacts, rated at 16 A with a 24V DC coil. No integrated surge suppression. Used in applications such as conveyors, hoists, and pumps
Siemens
This reversing IEC contactor controls forward and reverse rotation of three-phase motors. It has 3 poles and 3 normally open contacts, rated at 16 A with a 24V DC coil. No integrated surge suppression. Used in applications such as conveyors, hoists, and pumps
Reversing IEC contactor with 3 poles and 3 normally open contacts, rated 40 A with a 240V AC coil. No integrated surge suppression. Used to control forward and reverse rotation of three-phase AC motors in applications such as conveyors, hoists, and pumps
Siemens
Reversing IEC contactor with 3 poles and 3 normally open contacts, rated 40 A with a 240V AC coil. No integrated surge suppression. Used to control forward and reverse rotation of three-phase AC motors in applications such as conveyors, hoists, and pumps
This reversing IEC contactor from Siemens is rated at 16 A with a 240V AC coil and features 3 poles and 3 normally open contacts. It is used to control the forward and reverse rotation of three-phase motors in applications such as conveyors, hoists, and pumps. The unit does not include integrated surge suppression
Siemens
This reversing IEC contactor from Siemens is rated at 16 A with a 240V AC coil and features 3 poles and 3 normally open contacts. It is used to control the forward and reverse rotation of three-phase motors in applications such as conveyors, hoists, and pumps. The unit does not include integrated surge suppression
This reversing IEC contactor from Siemens features 3 poles and 3 normally open contacts, rated for 52 A with a 120V AC coil. It is used to control the forward and reverse rotation of three-phase motors in industrial applications such as conveyors, hoists, and pumps. No integrated surge suppression is included
Siemens
This reversing IEC contactor from Siemens features 3 poles and 3 normally open contacts, rated for 52 A with a 120V AC coil. It is used to control the forward and reverse rotation of three-phase motors in industrial applications such as conveyors, hoists, and pumps. No integrated surge suppression is included
This Siemens reversing IEC contactor features 3 poles with 3 normally open contacts, rated for 9 A and a 24V AC coil. It does not include integrated surge suppression. Used for forward and reverse control of three-phase motors in applications such as conveyors, pumps, and hoists
Siemens
This Siemens reversing IEC contactor features 3 poles with 3 normally open contacts, rated for 9 A and a 24V AC coil. It does not include integrated surge suppression. Used for forward and reverse control of three-phase motors in applications such as conveyors, pumps, and hoists
This reversing IEC contactor from Siemens is rated at 7 A with a 240V AC coil, featuring 3 poles and 3 normally open (3NO) contacts. It is used to control the direction of three-phase motors in applications such as conveyors, hoists, and pumps that require forward/reverse operation. The unit does not include integrated surge suppression
Siemens
This reversing IEC contactor from Siemens is rated at 7 A with a 240V AC coil, featuring 3 poles and 3 normally open (3NO) contacts. It is used to control the direction of three-phase motors in applications such as conveyors, hoists, and pumps that require forward/reverse operation. The unit does not include integrated surge suppression