Molded Case Circuit Breakers (MCCBs) - 400 to 600 Amp L-Frame

Designed to provide branch and feeder circuit protection in industrial control panels, these Molded Case Circuit Breakers (made by Eaton Electric Inc., manufacturer of Cutler-Hammer products) supply protection against overload in conductors and short circuit in connected equipment such as motors.

• L-Frame circuit breakers are available as individual components or in a kit (with various accessories included).



• Available accessories are field installable on this frame size.



• All L-Frame breakers are molded case circuit breakers with a thermal magnetic trip; line and load lug terminals are included.

These parts are available for sale in North America only.

L-Frame MCCBs - Accessories

Accessories available for the L-Frame molded case circuit breakers include:

• LHMVD12B - NEMA 1/12 rotary handle for L-Frame. Position indicating; lock-off feature. Shaft length: 12”.
• HM4R12X - NEMA 4/4X rotary handle for L-Frame. Position indicating. Lock-off feature. Shaft length: 12”.
• HM4R24X - NEMA 4/4X rotary handle for L-Frame. Position indicating. Lock-off feature. Shaft length: 24”.
• F4S04C - NEMA 1/12 flexible shaft handle for L-Frame. Flange mounted. Lockable. Shaft length: 4’.
• F4S06C - NEMA 1/12 flexible shaft handle for L-Frame. Flange mounted. Lockable. Shaft length: 6’.
• A1X4PK - Field installable auxiliary contact for L-Frame MCCB.
• SNT4RP11K - Field installable 120 VAC shunt trip for L-Frame MCCB.
• SNT4RP03K - Field installable 24 VDC shunt trip for L-Frame MCCB.
• 3TA603LDK - Replacement lug kit for L-Frame MCCB. Package of 3.
• UVH4LP08K - Field installable 120 VAC undervoltage release for L-Frame MCCB.
• UVH4LP21K - Field installable 24 VDC undervoltage release for L-Frame MCCB.

NOTE: For further details or technical specifications, select the desired product category and select the "Products" tab and click on the desired "Item Code" link, or select the "Technical Info" tab.