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Siemens SIRIUS 3RT Safety Contactor, 3 Poles, 120V AC, 96 A, 3RT20461AK643MA0 - Safety Contactors
SiemensSafety Contactors

Siemens SIRIUS 3RT Safety Contactor, 3 Poles, 120V AC, 96 A, 3RT20461AK643MA0

The SIEMENS IEC Magnetic Contactor: 3 Poles is a safety contactor from the SIRIUS 3RT series, with manufacturer part number 3RT20461AK643MA0. It operates at 120V AC and 96 A, and does not include integrated surge…

SKU 3G-OTH-39738

Brand
Siemens
Item
SIRIUS 3RT Safety Contactor, 3 Poles, 120V AC, 96 A, 3RT20461AK643MA0
Part Number
3RT20461AK643MA0
Category
Safety Contactors
Available to Order
Also known as:3RT20461AK643MA0Siemens
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Technical specs
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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

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

Siemens
Manufacturer Part Number
3RT20461AK643MA0
Series
SIRIUS 3RT Safety Contactors
Type
96 A, SIRIUS 3RT Safety Contactors
AC
120V
UNSPSC
39121529
Standards
REACH Art 33; WEEE (2012/19/EU)
Frame Size
S3 Frame Size
Mfr. Model
3RT20461AK643MA0
Catalog Page
N/A
Coil Voltage
120V AC
Overall Depth
7.68 in
Overall Width
2.76 in
Mounting Style
DIN Rail; Surface
Overall Height
5.51 in
Contactor Style
IEC
Number of Poles
3 Number of Poles This refers to the total number of circuits on an electrical device.
Country of Origin
Germany (subject to change)
Reversing Capability
Non-Reversing
NEMA Enclosure Rating
No Enclosure
Wire Termination Type
Screw
Maximum Voltage Rating
1000V AC Maximum Voltage Rating This represents the maximum voltage rating that a device can safely withstand under continuous use.
Auxiliary Contacts Included
2NO/2NC Auxiliary Contacts Included Refers to the number of auxiliary contacts already integrated on the contactor. Additional auxiliary contacts can be purchased and added to some contactor models.
Integrated Surge Suppression
No
Main Power Pole Contact Form
3NO Main Power Pole Contact Form Refers to the number and type of contacts a device has for controlling connections.
Full Load Current - Inductive
96
Full Load Current - Resistive
130
Maximum Operating Temperature
140 °F
Minimum Operating Temperature
-13 °F
Mechanical Operating Durability
10,000,000
Horsepower @ Three Phase - 208V AC
30
Horsepower @ Three Phase - 240V AC
30
Horsepower @ Three Phase - 480V AC
75
Horsepower @ Three Phase - 600V AC
75
Horsepower @ Single Phase - 120V AC
3
Horsepower @ Single Phase - 240V AC
20

Technical Documents

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

Product Description

The SIEMENS IEC Magnetic Contactor: 3 Poles is a safety contactor from the SIRIUS 3RT series, with manufacturer part number 3RT20461AK643MA0. It operates at 120V AC and 96 A, and does not include integrated surge suppression.

Frequently Asked Questions

What is the SIEMENS 3RT20461AK643MA0 safety contactor used for?

The SIEMENS 3RT20461AK643MA0 is a SIRIUS 3RT safety contactor used for safely switching motors and other loads in industrial machinery. It is commonly applied in emergency-stop circuits and safety-related automation systems to meet functional safety requirements.

What are the specifications of the SIEMENS 3RT20461AK643MA0 contactor?

This SIEMENS IEC magnetic contactor has 3 poles, a coil voltage of 120V AC, and a rated current of 96 A. It is part of the SIRIUS 3RT series and does not include integrated surge suppression. The manufacturer part number is 3RT20461AK643MA0.

Where to buy the SIEMENS 3RT20461AK643MA0 contactor worldwide?

You can source the SIEMENS 3RT20461AK643MA0 safety 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.

How to install the SIEMENS 3RT20461AK643MA0 safety contactor?

Mount the SIEMENS 3RT20461AK643MA0 contactor on a DIN rail or panel using the provided clips. Wire the 120V AC coil to the control circuit and connect the main poles to the load. Ensure proper torque on terminals per the manufacturer's datasheet. Always de-energize before installation.

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
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Siemens Products

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

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