Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SQUARE D NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 4, 135 A - Reversing Starters with Thermal Overloads
SQUARE DReversing Starters with Thermal Overloads

SQUARE D NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 4, 135 A

The SQUARE D NEMA Magnetic Motor Starter is a reversing starter with thermal overloads, designed for three-phase applications. This NEMA Size 4 unit features a 135 A rating and a 120V AC coil, with screw clamp…

SKU 3G-OTH-45181

Brand
SQUARE D
Item
NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 4, 135 A
Category
Reversing Starters with Thermal Overloads
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SQUARE D
Manufacturer Part Number
8736SFO3V02S
Type
NEMA Size 4, 135 A
Phase
Three
Poles
3
AC Coil
120V
Operator
None
Coil Voltage
120V AC
Operator Controls
None
Includes Pilot Light
No
Thermal Units Required
3 Melting Alloy Units (Not Included)
Terminal Connection Type
Screw Clamp Terminals
Auxiliary Contacts Included
No Auxiliary Contacts Included
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The SQUARE D NEMA Magnetic Motor Starter is a reversing starter with thermal overloads, designed for three-phase applications. This NEMA Size 4 unit features a 135 A rating and a 120V AC coil, with screw clamp terminals for secure wiring. It requires three melting alloy thermal units (not included) for overload protection and includes no auxiliary contacts, pilot light, or operator controls.

Frequently Asked Questions

What is the SQUARE D 8736SFO3V02S reversing motor starter used for?

The SQUARE D 8736SFO3V02S is a NEMA Size 4 reversing motor starter with thermal overloads, used to control the forward and reverse rotation of three-phase motors in industrial applications such as conveyors, pumps, and machine tools. It requires three melting alloy thermal units (not included) for overload protection.

What are the specifications of the SQUARE D 8736SFO3V02S motor starter?

This SQUARE D reversing starter is NEMA Size 4, rated 135 A, with 3 poles and a 120V AC coil. It uses screw clamp terminals for wiring and requires three melting alloy thermal units (not included). It has no auxiliary contacts, pilot light, or operator controls. The MPN is 8736SFO3V02S.

Where to buy the SQUARE D 8736SFO3V02S motor starter worldwide?

3G Electric supplies the SQUARE D 8736SFO3V02S reversing motor starter worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select thermal units for the SQUARE D 8736SFO3V02S starter?

To select thermal units for the SQUARE D 8736SFO3V02S, match the melting alloy heater element to the full-load current of your three-phase motor. Consult the SQUARE D thermal unit selection table based on motor FLA and ambient temperature. Three units are required; they are not included with the starter.

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

SQUARE D Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC Coil (MPN 22DUC32AF). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 110/120V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
Siemens
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC Coil (MPN 22DUC32AF). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 110/120V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 208V AC Coil (MPN 22DUD32AD). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 208V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
Siemens
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 208V AC Coil (MPN 22DUD32AD). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 208V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 208V AC Coil (MPN 22DUB32AD). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 208V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
Siemens
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 208V AC Coil (MPN 22DUB32AD). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 208V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 480V AC Coil (MPN 22DUD32AH). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 380-440/440-480V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
Siemens
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 480V AC Coil (MPN 22DUD32AH). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 380-440/440-480V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC Coil (MPN 22DUD32AF). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 110/120V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
Siemens
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC Coil (MPN 22DUD32AF). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 110/120V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 480V AC Coil (MPN 22DUC32AH). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 380-440/440-480V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).
Siemens
SIEMENS NEMA Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 480V AC Coil (MPN 22DUC32AH). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO; Coil Voltage: 380-440/440-480V AC; Phase: Three; Terminal Connection Type: Screw Terminals; Auxiliary Contacts Included: 1NO; Signaling Features: Pilot Light; Thermal Units Required: None (Not Applicable to Electronic Overloads).

More from SQUARE D

View all SQUARE D parts →
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 2, 45 A, 120V AC Coil (MPN 8736SDO2V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 2, 45 A, 120V AC Coil (MPN 8736SDO2V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 3, 90 A, 120V AC Coil (MPN 8736SEO2V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 3, 90 A, 120V AC Coil (MPN 8736SEO2V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 0, 18 A, 120V AC Coil (MPN 8736SBO4V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 110/120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 0, 18 A, 120V AC Coil (MPN 8736SBO4V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 110/120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 0, 9 A, 120V AC Coil (MPN 8736SAO16V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 110/120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 0, 9 A, 120V AC Coil (MPN 8736SAO16V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 110/120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC Coil (MPN 8736SCO8V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 110/120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.
SQUARE D
SQUARE D Magnetic Motor Starter: Reversing, 3 Poles, NEMA Size 1, 27 A, 120V AC Coil (MPN 8736SCO8V02S). Key specifications — Brand: SQUARE D; Coil Voltage: 110/120V AC; Phase: Three; Operator: None; Terminal Connection Type: Screw Clamp Terminals; Includes Pilot Light: No; Operator Controls: None; Auxiliary Contacts Included: No Auxiliary Contacts Included.