We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

SQUARE D Rotary Operator: Rotary Operator, 125 A Amps, 3 Poles - Square D Circuit Breaker Handles & Operators
SQUARE DSquare D Circuit Breaker Handles & Operators

SQUARE D Rotary Operator: Rotary Operator, 125 A Amps, 3 Poles

The SQUARE D Rotary Operator (MPN 9421LB1) is a 3-pole circuit breaker handle and operator accessory designed for use with NEMA 1, 3, 3R, 4, 4X, and 12 enclosures housing PowerPact B circuit breakers. It includes a…

SKU 3G-OTH-19484

Brand
SQUARE D
Item
Rotary Operator: Rotary Operator, 125 A Amps, 3 Poles
Category
Square D Circuit Breaker Handles & Operators
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SQUARE D
Manufacturer Part Number
9421LB1
Amps
125 A
Poles
3
Includes
Standard Shaft
For Use With
NEMA 1, 3, 3R, 4, 4X, 12 Enclosures with PowerPact(R) B Circuit Breakers
Accessory Type
Rotary Operator
Number of Poles
3
Handle/Std Shaft
6 in

Technical Documents

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

Product Description

The SQUARE D Rotary Operator (MPN 9421LB1) is a 3-pole circuit breaker handle and operator accessory designed for use with NEMA 1, 3, 3R, 4, 4X, and 12 enclosures housing PowerPact B circuit breakers. It includes a standard shaft and is rated for 125 A amps.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the SQUARE D 9421LB1 rotary operator used for?

The SQUARE D 9421LB1 rotary operator is a circuit breaker handle accessory for PowerPact B breakers in NEMA 1, 3, 3R, 4, 4X, and 12 enclosures. It provides external rotary actuation for 3-pole breakers rated up to 125 A, enabling safe on/off control without opening the enclosure door.

What are the specifications of the SQUARE D 9421LB1 rotary operator?

The SQUARE D 9421LB1 is a 3-pole rotary operator rated for 125 A. It includes a standard shaft and is designed for use with PowerPact B circuit breakers in NEMA 1, 3, 3R, 4, 4X, and 12 enclosures. The accessory type is rotary operator, and the manufacturer part number is 9421LB1.

Where to buy the SQUARE D 9421LB1 rotary operator worldwide?

You can source the SQUARE D 9421LB1 rotary operator 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 accessories for PowerPact B breakers.

How to install the SQUARE D 9421LB1 rotary operator on a PowerPact B breaker?

Install the SQUARE D 9421LB1 rotary operator by mounting it to the enclosure door and coupling the standard shaft to the PowerPact B breaker's rotary mechanism. Ensure the handle aligns with the breaker's ON/OFF positions. Follow generic best practices for NEMA-rated enclosures to maintain seal integrity and safety.

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 square d circuit breaker handles & operators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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