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3G Electric
SQUARE D 8539SCA54V02S NEMA Size 1 Combination Starter with Circuit Breaker - Circuit Breaker Starters with Thermal Overloads
SQUARE DCircuit Breaker Starters with Thermal Overloads

SQUARE D 8539SCA54V02S NEMA Size 1 Combination Starter with Circuit Breaker

<p>The SQUARE D 8539SCA54V02S is a NEMA Size 1 combination starter with a circuit breaker, designed for three-phase motors up to 600V AC. This unit features a 120V AC coil and comes in a NEMA 12 enclosure, making it…

SKU 3G-OTH-44322

Brand
SQUARE D
Item
8539SCA54V02S NEMA Size 1 Combination Starter with Circuit Breaker
Part Number
8539SCA54V02S
Category
Circuit Breaker Starters with Thermal Overloads
Available to Order
Also known as:8539SCA54V02SSQUARE D
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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

SQUARE D
Manufacturer Part Number
8539SCA54V02S
Series
8539
Type
NEMA Size 1, NEMA-Rated 12
AC
120V
Phase
Three
Poles
3
Poles/Phase
3 Pole / Three Phase
Coil Voltage
120V AC
Operator Type
No Operator
Control Transformer
No
Includes Pilot Light
No
Maximum Voltage Rating
600V AC
Thermal Units Required
3 Melting Alloy Units (Not Included)
Includes Auxiliary Contacts
No

Technical Documents

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

Product Description

<p>The SQUARE D 8539SCA54V02S is a NEMA Size 1 combination starter with a circuit breaker, designed for three-phase motors up to 600V AC. This unit features a 120V AC coil and comes in a NEMA 12 enclosure, making it suitable for industrial environments requiring dust and drip protection. It requires three melting alloy thermal units (not included) for overload protection.</p><p>Ideal for procurement buyers in Singapore, this starter is available with SGD quotes on request, and GST is handled for local buyers. Enjoy fast delivery across Singapore and Southeast Asia, with worldwide shipping options available.</p>

Frequently Asked Questions

What is the coil voltage and maximum voltage rating of this starter?

The coil voltage is 120V AC, and the maximum voltage rating is 600V AC.

Does this starter include thermal units?

No, it requires three melting alloy thermal units, which are not included.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems
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SQUARE D Products

3G Electric supplies SQUARE D circuit breaker starters with thermal overloads. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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