Overview
The Square D 9422 Type A1 Series B is a universal operating handle mechanism for disconnect switches and molded case circuit breakers. This flange-mounted assembly delivers straightforward handle actuation in industrial electrical enclosures and is compatible with both right-hand and left-hand mounting configurations. As a complete mechanical kit, it contains all fasteners and trim plates needed for enclosure installation.
Key Features
- Universal operating handle suitable for disconnect switches and all 9422 circuit breaker mechanisms
- Flange-mount design with right-hand and left-hand mounting flexibility
- 6-inch handle depth for standard enclosure installations
- Complete kit includes trim plate to conceal fasteners and provide clean aesthetics
- Rated for 30–200A disconnect switch and circuit breaker applications
- NEMA 1/3/3R/4/12 enclosure compatibility
Technical Specifications
- Type: Type A1 Universal Operating Handle Mechanism
- Series: 9422 Series B
- Amperage Rating: 30–200A
- Handle Depth: 6 inches (adjustable per specifications)
- Mounting Style: Flange mount, right-hand and left-hand capable
- NEMA Enclosure Type: NEMA 1, 3, 3R, 4, 12
- Standards: UL recognized, CSA certified
- Included Components: Operating handle, bracket, fasteners, trim plate
Typical Applications
The Square D 9422 Type A1 Series B handle mechanism is widely deployed in industrial control, machinery, and utility electrical enclosures where disconnect switch or circuit breaker actuation is required. Common installations include motor control centers, panel boards, remote control stations, and enclosures subject to environmental exposure (NEMA 4/12 rated). The universal design accommodates both enclosed fusible and non-fusible disconnect switches in the 9422 class, as well as fixed or variable-depth enclosure topologies.
Compatibility & Replacements
Compatible With
- Square D 9422 Class disconnect switches
- Square D PowerPact B-frame and L-frame molded case circuit breakers
- Square D 9423 door-closing mechanisms
- NEMA 1, 3, 3R, 4, 12 electrical enclosures
- Right-hand or left-hand flange-mounted enclosure cutouts
Replaces / Drop-In Replacement For
The Type A1 Series B universal handle mechanism is a standard replacement assembly for original Square D 9422 Type A1 handles in existing installations. Verify compatibility with your specific enclosure and breaker model before ordering, as some custom enclosures may have dimensional constraints.
Works With
- Square D 9422 circuit breaker and disconnect switch families
- Variable-depth mounting (up to 7 inches with 9422 R2 spacers)
- Cable-operated mechanisms for remote actuation
- Class 9999 electrical interlock kits (when paired with compatible hardware)
