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 Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles - Non-Reversing Starters with Thermal Overloads
SQUARE DNon-Reversing Starters with Thermal Overloads

SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles

The SQUARE D Definite Purpose Magnetic Motor Starter is a non-reversing starter with thermal overloads, designed for 3-pole, 30 A, 208-240V AC coil operation (MPN 8911DPSO33V09). It requires three thermal units…

SKU 3G-OTH-41942

Brand
SQUARE D
Item
Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles
Category
Non-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
8911DPSO33V09
Type
30 A
Poles
3
AC Coil
208-240V
Thermal Units Required
3 Thermal Units Required (Not 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 Definite Purpose Magnetic Motor Starter is a non-reversing starter with thermal overloads, designed for 3-pole, 30 A, 208-240V AC coil operation (MPN 8911DPSO33V09). It requires three thermal units, which are not included.

Frequently Asked Questions

What is the SQUARE D 8911DPSO33V09 definite purpose starter used for?

The SQUARE D 8911DPSO33V09 is a non-reversing magnetic motor starter with thermal overloads, used to start and protect 3-phase motors in HVAC, pumps, and conveyor systems. It handles up to 30 A at 208-240V AC coil voltage and requires three thermal units (sold separately) for overload protection.

What are the specifications of the SQUARE D 8911DPSO33V09 starter?

The SQUARE D 8911DPSO33V09 is a 3-pole, non-reversing definite purpose starter rated for 30 A with a 208-240V AC coil. It requires three thermal units (not included) for overload protection. The manufacturer part number is 8911DPSO33V09, and it is designed for industrial motor control applications.

Where to buy the SQUARE D 8911DPSO33V09 starter worldwide?

You can source the SQUARE D 8911DPSO33V09 starter 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; we supply genuine SQUARE D components for motor control systems.

How to select thermal units for the SQUARE D 8911DPSO33V09 starter?

To select thermal units for the SQUARE D 8911DPSO33V09 starter, match the heater element to the full-load current of your motor. The starter requires three thermal units (not included) for overload protection. Consult the motor nameplate and SQUARE D thermal unit selection charts to ensure proper sizing and avoid nuisance tripping.

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 non-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
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles, 40 A, 208-240V AC Coil (MPN 8911DPSO43V09). Key specifications — Brand: SQUARE D; Thermal Units Required: 3 Thermal Units Required (Not Included).
SQUARE D
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles, 40 A, 208-240V AC Coil (MPN 8911DPSO43V09). Key specifications — Brand: SQUARE D; Thermal Units Required: 3 Thermal Units Required (Not Included).
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles, 30 A, 120V AC Coil (MPN 8911DPSO33V02). Key specifications — Brand: SQUARE D; Thermal Units Required: 3 Thermal Units Required (Not Included).
SQUARE D
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles, 30 A, 120V AC Coil (MPN 8911DPSO33V02). Key specifications — Brand: SQUARE D; Thermal Units Required: 3 Thermal Units Required (Not Included).
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 2 Poles, 30 A, 208-240V AC Coil (MPN 8911DPSO32V09). Key specifications — Brand: SQUARE D; Thermal Units Required: 1 Thermal Unit Required (Not Included).
SQUARE D
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 2 Poles, 30 A, 208-240V AC Coil (MPN 8911DPSO32V09). Key specifications — Brand: SQUARE D; Thermal Units Required: 1 Thermal Unit Required (Not Included).
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles, 20 A, 208-240V AC Coil (MPN 8911DPSO13V09). Key specifications — Brand: SQUARE D; Thermal Units Required: 3 Thermal Units Required (Not Included).
SQUARE D
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles, 20 A, 208-240V AC Coil (MPN 8911DPSO13V09). Key specifications — Brand: SQUARE D; Thermal Units Required: 3 Thermal Units Required (Not Included).
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 2 Poles, 40 A, 208-240V AC Coil (MPN 8911DPSO42V09). Key specifications — Brand: SQUARE D; Thermal Units Required: 1 Thermal Unit Required (Not Included).
SQUARE D
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 2 Poles, 40 A, 208-240V AC Coil (MPN 8911DPSO42V09). Key specifications — Brand: SQUARE D; Thermal Units Required: 1 Thermal Unit Required (Not Included).
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles, 20 A, 120V AC Coil (MPN 8911DPSO13V02). Key specifications — Brand: SQUARE D; Thermal Units Required: 3 Thermal Units Required (Not Included).
SQUARE D
SQUARE D Definite Purpose Magnetic Motor Starter: Non-Reversing, 3 Poles, 20 A, 120V AC Coil (MPN 8911DPSO13V02). Key specifications — Brand: SQUARE D; Thermal Units Required: 3 Thermal Units Required (Not Included).

More from SQUARE D

View all SQUARE D parts →
SQUARE D Manual Motor Starter: Non-Reversing, 3 Poles, 27 A, NEMA Size M-1, Thermal Protection, SQR1 (MPN 2510MCO3). Key specifications — Maximum Voltage Rating: 600V AC; Brand: SQUARE D; Thermal Units Required: 3 (Not Included).
SQUARE D
SQUARE D Manual Motor Starter: Non-Reversing, 3 Poles, 27 A, NEMA Size M-1, Thermal Protection, SQR1 (MPN 2510MCO3). Key specifications — Maximum Voltage Rating: 600V AC; Brand: SQUARE D; Thermal Units Required: 3 (Not Included).
SQUARE D Magnetic Motor Starter: Non-Reversing, 3 Poles, NEMA Size 0, 18 A, 208V AC Coil (MPN 8536SBO2V08). Key specifications — Brand: SQUARE D; Coil Voltage: 208V 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: Non-Reversing, 3 Poles, NEMA Size 0, 18 A, 208V AC Coil (MPN 8536SBO2V08). Key specifications — Brand: SQUARE D; Coil Voltage: 208V 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: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 480V AC Coil (MPN 8536SFO1V06). Key specifications — Brand: SQUARE D; Coil Voltage: 480V 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: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 480V AC Coil (MPN 8536SFO1V06). Key specifications — Brand: SQUARE D; Coil Voltage: 480V 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: Non-Reversing, 2 Poles, NEMA Size 1, 27 A, 240V AC Coil (MPN 8536SCO2V03). Key specifications — Brand: SQUARE D; Coil Voltage: 220/240V 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: Non-Reversing, 2 Poles, NEMA Size 1, 27 A, 240V AC Coil (MPN 8536SCO2V03). Key specifications — Brand: SQUARE D; Coil Voltage: 220/240V 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 Manual Motor Starter: Non-Reversing, 1 Poles, 16 A, Thermal Protection, Toggle Switch (MPN 2510FO1). Key specifications — Brand: SQUARE D; Thermal Units Required: 1 (Not Included).
SQUARE D
SQUARE D Manual Motor Starter: Non-Reversing, 1 Poles, 16 A, Thermal Protection, Toggle Switch (MPN 2510FO1). Key specifications — Brand: SQUARE D; Thermal Units Required: 1 (Not Included).
SQUARE D Magnetic Motor Starter: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 480V AC Coil (MPN 8536SEO1V06). Key specifications — Brand: SQUARE D; Coil Voltage: 480V 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: Non-Reversing, 3 Poles, NEMA Size 3, 90 A, 480V AC Coil (MPN 8536SEO1V06). Key specifications — Brand: SQUARE D; Coil Voltage: 480V 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: Non-Reversing, 3 Poles, NEMA Size 0, 18 A, 120V AC Coil (MPN 8536SBO2V02S). 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: Non-Reversing, 3 Poles, NEMA Size 0, 18 A, 120V AC Coil (MPN 8536SBO2V02S). 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: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 240V AC Coil (MPN 8536SFO1V03). Key specifications — Brand: SQUARE D; Coil Voltage: 220/240V 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: Non-Reversing, 3 Poles, NEMA Size 4, 135 A, 240V AC Coil (MPN 8536SFO1V03). Key specifications — Brand: SQUARE D; Coil Voltage: 220/240V 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.