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Siemens 3RT20371AC20 Non-Reversing IEC Contactor - Non-Reversing IEC Contactors
SiemensNon-Reversing IEC Contactors

Siemens 3RT20371AC20 Non-Reversing IEC Contactor

The SIEMENS IEC Magnetic Contactor is a non-reversing contactor with 3 poles and 3 normally open (NO) contacts, rated for 65 A with a 24V AC coil (MPN 3RT20371AC20). This component does not include integrated surge…

SKU 3G-OTH-53022

Brand
Siemens
Item
3RT20371AC20 Non-Reversing IEC Contactor
Category
Non-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
3RT20371AC20
Type
65 A
Poles
3
AC 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 is a non-reversing contactor with 3 poles and 3 normally open (NO) contacts, rated for 65 A with a 24V AC coil (MPN 3RT20371AC20). This component does not include integrated surge suppression.

Frequently Asked Questions

What is the SIEMENS 3RT20371AC20 magnetic contactor used for?

The SIEMENS 3RT20371AC20 is a non-reversing IEC magnetic contactor used for switching three-phase motors and other inductive loads in industrial automation, HVAC, and pump control applications. It handles up to 65 A with a 24V AC coil and 3 normally open contacts.

What are the specifications of the SIEMENS 3RT20371AC20 contactor?

This SIEMENS contactor has 3 poles, 3 normally open (NO) contacts, a 65 A rating, and a 24V AC coil. It does not include integrated surge suppression. The manufacturer part number is 3RT20371AC20.

Where to buy the SIEMENS 3RT20371AC20 contactor worldwide?

3G Electric supplies the SIEMENS 3RT20371AC20 contactor worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the SIEMENS 3RT20371AC20 magnetic contactor?

Mount the contactor on a DIN rail or panel, connect the 24V AC coil to the control circuit, and wire the three-phase load through the normally open contacts. Ensure proper torque on terminals and use a separate surge suppressor if needed, as this model lacks integrated suppression.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
Non-reversing IEC contactor with three poles and three normally open contacts. Rated for 51 A with a 24V AC coil. Suitable for switching three-phase motors, lighting, and HVAC loads in industrial control panels
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Non-reversing IEC contactor with three poles and three normally open contacts. Rated for 51 A with a 24V AC coil. Suitable for switching three-phase motors, lighting, and HVAC loads in industrial control panels
Non-reversing IEC contactor with 3 poles and 3 normally open contacts. Rated for 65 A with a 240V AC coil. No integrated surge suppression. Used for switching three-phase motors and other inductive loads in industrial automation, HVAC, and pump control applications
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Non-reversing IEC contactor with 3 poles and 3 normally open contacts. Rated for 65 A with a 240V AC coil. No integrated surge suppression. Used for switching three-phase motors and other inductive loads in industrial automation, HVAC, and pump control applications
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 80 A, 24V AC Coil (MPN 3RT20381AC20)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 80 A, 24V AC Coil (MPN 3RT20381AC20)
Non-reversing IEC contactor with 3 poles and 3 normally open (NO) contacts. Rated at 65 A with a 208V AC coil. No integrated surge suppression. Suitable for switching motors, lighting, and other inductive loads in industrial control panels, such as conveyors, pumps, and HVAC systems
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Non-reversing IEC contactor with 3 poles and 3 normally open (NO) contacts. Rated at 65 A with a 208V AC coil. No integrated surge suppression. Suitable for switching motors, lighting, and other inductive loads in industrial control panels, such as conveyors, pumps, and HVAC systems
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 51 A, 240V AC Coil (MPN 3RT20361AP60)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 51 A, 240V AC Coil (MPN 3RT20361AP60)
SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 65 A, 120V AC Coil (MPN 3RT20371AK60)
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SIEMENS IEC Magnetic Contactor: Non-Reversing, 3 Poles, 3NO Contacts, 65 A, 120V AC Coil (MPN 3RT20371AK60)

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