Square D 9421L PowerPacT Rotary Handle Mechanism, NEMA 1/3R/12

Square D 9421L PowerPacT Rotary Handle Mechanism, NEMA 1/3R/12

Square D's 9421L PowerPacT rotary handle mechanism is a Type L door-mounted operating accessory engineered for PowerPacT M, P, and R-Frame circuit breakers rated A to 1200A. Built with heavy-duty, all-metal construction and a long shaft configuration, this field-installable handle mounts directly to the enclosure door and carries a NEMA 1/3R/12 rating for indoor and outdoor use. The kit ships with a support bracket and all hardware needed to mount the handle to the enclosure flange.

Key Features

• Amperage Range: Compatible with PowerPacT M, P, and R-Frame circuit breakers rated A to 1200A.
• Rotary Handle Design: Type L door-mounted operating mechanism with OFF-Trip-ON position marking.
• Long Shaft Configuration: Long shaft variant designed for variable depth, flange-mounting applications.
• Support Bracket Included: Kit contains all parts necessary for conveniently mounting the handle to the enclosure flange.
• Dual Mounting Methods: Two mounting methods offered for flexibility.
• Heavy-Duty Construction: All-metal operating mechanism built for durable, repeated operation.
• NEMA Rating: NEMA 1/3R/12 enclosure rating suitable for indoor and outdoor door-mounted installations.
• Universal Compatibility: Used with all disconnect switch and circuit breaker installations, including 9421LL1, LM1, LX7, and LW7 operating mechanisms.

Certifications & Compliance

• NEMA 1/3R/12 Rated Enclosure
• RoHS Compliant (with Exemptions)
• Mercury Free

Technical Specifications

• Warranty: 18 months
• Shaft Type: long
• Country of Origin: MEX
• Mercury Free: Yes
• ROHS Eur In Scope: Yes
• Returnability: Yes
• Product Destination: 9421LL1, LM1, LX7 or LW7 operating mechanism
• B2B Bullet Point 5: Disconnect switches were designed for control panel installations
• Tier: 2
• Take Back: No
• With Recycled Cardboard: Yes
• WEEE Product Category: 5

Typical Applications

• Commercial and Industrial Panelboard Installations
• Control Panel and Enclosure Door Mounting
• Disconnect Switch and Circuit Breaker Retrofits
• Indoor and Outdoor Electrical Enclosures
• OEM Control Panel Building

Why Square D?

Square D engineers the PowerPacT accessory line with heavy-duty, all-metal construction and field-installable design, letting panel builders and contractors modify circuit breaker installations at any point in the build cycle. Backed by an 18-month warranty and built to NEMA 1/3R/12 standards, the 9421L rotary handle delivers reliable, code-compliant performance for demanding commercial and industrial electrical systems.