SQUARE D 9421LB3 Rotary Operator, 125 A, 3-Pole, 3 in Handle
The SQUARE D Rotary Operator (MPN 9421LB3) 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-19454
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Product Description
The SQUARE D Rotary Operator (MPN 9421LB3) 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 3-inch handle and is rated for 125 A amps.
Frequently Asked Questions
What is the SQUARE D 9421LB3 rotary operator used for?
The SQUARE D 9421LB3 rotary operator is a circuit breaker handle accessory for PowerPact B breakers in NEMA 1, 3, 3R, 4, 4X, and 12 enclosures. It provides a 3-inch handle for manual on/off control in industrial and commercial power distribution panels.
What are the specifications of the SQUARE D 9421LB3 rotary operator?
The SQUARE D 9421LB3 is a 3-pole rotary operator rated for 125 A amps. It includes a 3-inch handle 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, MPN 9421LB3.
Where to buy the SQUARE D 9421LB3 rotary operator worldwide?
3G Electric supplies the SQUARE D 9421LB3 rotary operator worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install the SQUARE D 9421LB3 rotary operator?
Install the SQUARE D 9421LB3 rotary operator by mounting it on the PowerPact B circuit breaker inside the enclosure. Ensure the 3-inch handle aligns with the breaker mechanism. Follow SQUARE D's generic installation instructions for NEMA enclosures to maintain proper sealing and safety.
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Common applications for SQUARE DSQUARE 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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